WEBVTT - Tea: The Splendid Elixir, Part 1

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<v Speaker 1>The first cup caresses my dry lips and throat. The

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<v Speaker 1>second shatters the walls of my lonely sadness. The third

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<v Speaker 1>searches the dry rivulets of my soul to find the

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<v Speaker 1>stories of five thousand scrolls. With the fourth, the pain

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<v Speaker 1>of life's grievances evaporates through my pores. The fifth relaxes

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<v Speaker 1>my muscles and bones become light. With the sixth, I

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<v Speaker 1>find the path that leads to the immortal ancestors. Oh,

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<v Speaker 1>the seventh cup, better not take it. If I had it.

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<v Speaker 1>The only feeling as the fresh wind blowing through my

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<v Speaker 1>wings as I make my way to pung Lie. Welcome

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<v Speaker 1>to Stuff to Blow Your Mind production of My Heart Radio.

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<v Speaker 1>Hey you, welcome to Stuff to Blow your Mind. My

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<v Speaker 1>name is Robert Lamb, and I'm Joe McCormick. And today

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<v Speaker 1>we're going to begin a series on t Yes, t

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<v Speaker 1>the beverage and the plant that it comes from. Now, Rob,

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<v Speaker 1>you began today's episode by reading a uh, is this

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<v Speaker 1>a poem or a song? This is a poem by

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<v Speaker 1>Lu Tong from the Tang dynasty titled Seven Bowls of Tea,

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<v Speaker 1>and it's it's pretty widely cited. I I ran across

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<v Speaker 1>various like tea blogs talking about and sometimes saying that

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<v Speaker 1>this is overly cited in the literature of tea, uh

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<v Speaker 1>you know, especially in the West. Um and I think

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<v Speaker 1>with good reason because it's it's amazing, it's a It

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<v Speaker 1>captures this just intense enthusiasm for tea. And also it's

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<v Speaker 1>essentially about a man drinking way too much tea during

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<v Speaker 1>the course of the day that brings him to the

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<v Speaker 1>to the very brink of like blinking out of physical

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<v Speaker 1>reality and going to uh uh to ping lie the

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<v Speaker 1>mystical mountain where you have fantastic creatures and immortal beings.

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<v Speaker 1>So you don't want to do the Seventh Cup because

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<v Speaker 1>that will just essentially you will leave your body in

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<v Speaker 1>the place where you currently reside. Right. But it's not,

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<v Speaker 1>it doesn't seem to be a case where you have

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<v Speaker 1>to worry about like crashing with that seventh Cup. It's

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<v Speaker 1>just the seventh Cup is one pleasure beyond that which

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<v Speaker 1>you should grant yourself. You should you have to show

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<v Speaker 1>restraint because you still have stuff to do here in

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<v Speaker 1>the mortal realm. Well, I like the way that the

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<v Speaker 1>poem escalates because at the beginning it's more just about

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<v Speaker 1>the uh. Like the first line is about the sensory

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<v Speaker 1>experience caresses dry lips and throat. It's it's happening in

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<v Speaker 1>the mouth. And then after that it's like mood, you know,

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<v Speaker 1>shatters the walls of my lonely sadness. That's mood stuff.

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<v Speaker 1>That's level two. But beyond that, you're like talking about

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<v Speaker 1>communing with other beings, the path that leads to the

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<v Speaker 1>immortal ancestors. Yeah, it gets very spiritual towards the end, transformative.

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<v Speaker 1>Even I've never gone six cups in on caffe aated t,

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<v Speaker 1>but I don't doubt it. Yeah, I, um, my wife

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<v Speaker 1>and I probably have, but only through re steeps. We're

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<v Speaker 1>big into um having a picking out a good tea

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<v Speaker 1>that you can resteep several times. So um, I could

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<v Speaker 1>probably write a similar poem about, like, you know, steeps one,

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<v Speaker 1>one through four or five on a particular tea that

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<v Speaker 1>I like, because sometimes you get to get the you

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<v Speaker 1>get an interesting tea and it changes like cup Cup

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<v Speaker 1>one might actually not be the best cup. It's your

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<v Speaker 1>second or third steep where things maybe become a little

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<v Speaker 1>more nuanced, a little less sharp. I found I found

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<v Speaker 1>that to be the case with some of the poor

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<v Speaker 1>teas that I really like. I assume just the caffeine

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<v Speaker 1>content become less powerful as as you go through multiple steeps.

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<v Speaker 1>That is my understanding, and I believe that is my experience. Uh,

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<v Speaker 1>and that's one of the reasons I tell myself that

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<v Speaker 1>it's okay to have so many cups of tea during

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<v Speaker 1>the course of an afternoon because I'm getting decres east

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<v Speaker 1>returns on on that cup from a caffeine standpoint. But yeah,

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<v Speaker 1>we've touched on tea in the past, we've, but we

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<v Speaker 1>I don't think we've ever done a proper deep dive

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<v Speaker 1>on this most splendid beverage US and not just splendid,

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<v Speaker 1>but really one of the most popular beverages in the world.

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<v Speaker 1>You could probably make a case for it being the

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<v Speaker 1>most popular. Uh. There's a great deal of variety to

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<v Speaker 1>how it's cultivated, prepared, brood and consumed. And yeah, there's

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<v Speaker 1>no denying its appeal um, and it's importance weaves in

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<v Speaker 1>and out of global history, various cultures that factors into mythology, literature, politics,

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<v Speaker 1>and much much more. Yes, And to clarify something here,

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<v Speaker 1>I guess we should do this at the beginning. Uh,

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<v Speaker 1>there's a little bit of confusion in English. I don't

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<v Speaker 1>know if it's like this in other languages, but at

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<v Speaker 1>least in English, there are a lot of things that

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<v Speaker 1>we call t that are not made with the T plant.

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<v Speaker 1>So we use the word tea as like a generic

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<v Speaker 1>synonym basically for an infusion. Anytime you you take a substance,

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<v Speaker 1>herbal or otherwise, you expose it to hot water in

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<v Speaker 1>order to extract some kind of flavor or chemical compounds

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<v Speaker 1>into the water, and then you drink the water. People

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<v Speaker 1>will call this a tea no matter what it is.

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<v Speaker 1>So you've got herbal teas made from everything from like

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<v Speaker 1>camera meal, to turmeric to mint, or even cases where

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<v Speaker 1>people will will refer to meat based broths as like

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<v Speaker 1>beef tea, but there is no really, But there is

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<v Speaker 1>also the specific tea plant, uh, the leaves of which

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<v Speaker 1>are used to make tea proper. And it is this

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<v Speaker 1>plant and it's eponymous infusion that we're going to be

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<v Speaker 1>mostly focusing on in these episodes. And obviously there are

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<v Speaker 1>various blends that have taken place. There's so many teas

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<v Speaker 1>available now, especially loose leaf teas where you'll have like

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<v Speaker 1>little bits of dried um um flavor bits that are

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<v Speaker 1>not tea, but still the primary ingredient is the dried tea. Now,

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<v Speaker 1>I think one of the other exciting things about this

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<v Speaker 1>is and this is gonna be a fun one to

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<v Speaker 1>hear from listeners because I know everyone out there you

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<v Speaker 1>have your own individual story with tea. You probably have

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<v Speaker 1>your own cultural story with te um. For my own part,

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<v Speaker 1>I've come to like a number of different teas. I

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<v Speaker 1>want to also throw out an important caveat that I

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<v Speaker 1>would not say that I'm like a t super nerd.

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<v Speaker 1>You know, I'm not like I'm not a connoisseur of tease,

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<v Speaker 1>so I'm not going to be speaking from that vantage

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<v Speaker 1>point in these episodes. But I've grown particularly fond of

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<v Speaker 1>these poor ties, which will discuss in due course. UM.

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<v Speaker 1>I like several things about them. I obviously I like

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<v Speaker 1>the various tastes. They often have this kind of dark

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<v Speaker 1>earthy or sometimes there's lighter but something There's often an

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<v Speaker 1>earthy tone to them um sometimes compared to hey and

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<v Speaker 1>and that is a flavor profile that I find it works.

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<v Speaker 1>You get interesting results when you do re steeps on it,

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<v Speaker 1>because the hay taste might be a bit strong in

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<v Speaker 1>that first cup, but then cup two or three is

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<v Speaker 1>generally the comfort zone for me personally. I also really

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<v Speaker 1>love how so many of these particular teas are preserved

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<v Speaker 1>in bricks or pucks. Sometimes you have to break up

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<v Speaker 1>the brick with a little a little specialized knife, and

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<v Speaker 1>I like the ritual of that. I also like it

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<v Speaker 1>when it's a little puck that's already been prepared, often

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<v Speaker 1>uh circular, sometimes heart shaped uh today and that can

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<v Speaker 1>be a lot of fun as well, and also makes

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<v Speaker 1>it a little handy easy to get into the tea bag. Rob,

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<v Speaker 1>I seem to recall you getting very into the idea of, uh,

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<v Speaker 1>some kind of disgusting nineteenth century way of preparing coffee

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<v Speaker 1>that involved like brick or puck based concentrate, and I

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<v Speaker 1>am I remembering that right. Oh no, no, no, I

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<v Speaker 1>think I was interested in the study of like Civil

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<v Speaker 1>War era instant coffee, but none of it sounded like

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<v Speaker 1>anything I wanted to even experiment with. Okay, no, no, no,

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<v Speaker 1>I just meant that you were interested in the idea,

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<v Speaker 1>and not that like you talking it's virtues as great coffee. No, no,

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<v Speaker 1>it's just it's interesting history, like and It kind of

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<v Speaker 1>speaks to the importance of of caffeinated beverages to the

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<v Speaker 1>people who consume them. Uh, you'll have situal like war

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<v Speaker 1>situations where people realize, Hey, these soldiers need coffee, these

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<v Speaker 1>soldiers need tea. How do we get that to them?

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<v Speaker 1>What is the most cost effective means of doing so?

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<v Speaker 1>What happens when the product is bad? How do the

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<v Speaker 1>soldiers in the field relate to this additional indignity. I

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<v Speaker 1>also love how tea is like anything else. Uh, there's

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<v Speaker 1>nothing like great branding. I love some of the names

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<v Speaker 1>of the teas that I have enjoyed, Like there's one

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<v Speaker 1>called the Bewitched Emperor, there's one called Evil Snake King,

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<v Speaker 1>and so yeah, I'm I'm obviously these are just just

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<v Speaker 1>the labels given to these and these are the English

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<v Speaker 1>I think these are translations though of what they're actually

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<v Speaker 1>called in in the case of these two in China

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<v Speaker 1>as well. But I just love the idea that is

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<v Speaker 1>wrapped up in the branding for these as well. It

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<v Speaker 1>makes me feel like I'm I'm not only enjoying an

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<v Speaker 1>afternoon up with tea, but I'm engaging in something possibly supernatural.

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<v Speaker 1>M Well, I would say that I sense no other

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<v Speaker 1>beverage to have as rich an array of supernatural associations

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<v Speaker 1>as tea. Yeah, I think so, Like there's just there's

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<v Speaker 1>there's so and it's one of the things that's interesting

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<v Speaker 1>but also could probably be intimidating at times as you

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<v Speaker 1>get into not just ta culture, but various tea cultures

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<v Speaker 1>that all have various practices of uh, how you're supposed

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<v Speaker 1>to prepare it, how you're supposed to consume it, and

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<v Speaker 1>so forth. I mean Macha from Japan is of course

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<v Speaker 1>a great example of this um and uh and just

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<v Speaker 1>on its own can be a wonderful tea. Uh. Yeah.

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<v Speaker 1>There there's just so many, so many fascinating teas out there.

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<v Speaker 1>We're going to touch on some of the tea cultures

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<v Speaker 1>as we proceed through these episodes. But but how about you, Joe,

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<v Speaker 1>what's your your personal story with tea? Well, I am

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<v Speaker 1>not really a t drinker, not because I dislike tea.

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<v Speaker 1>I mean, and when I have it, I enjoy it.

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<v Speaker 1>But I think it's because for me personally, there is

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<v Speaker 1>simply not room for additional caffeine in my life. I

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<v Speaker 1>have my my morning coffee routine, and I have to

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<v Speaker 1>be very careful even with that, because if I have

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<v Speaker 1>too much coffee, I will spend the rest of the

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<v Speaker 1>day and night having visions of the doom of all

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<v Speaker 1>and just hear the screams of a dying planet like

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<v Speaker 1>I get the fear bad. And it's strange. I wasn't

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<v Speaker 1>always like that. I can think years back, I used

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<v Speaker 1>to hang out with my friends and drink cup after

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<v Speaker 1>cup of coffee and I was fine. Something happened to me,

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<v Speaker 1>and now I cannot handle that much caffeine. It just

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<v Speaker 1>res me. So after I've had my daily coffee, I

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<v Speaker 1>do not have tolerance for anything else. No no tea proper,

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<v Speaker 1>no no second or third cup whatever. Uh So, in

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<v Speaker 1>order to do caffeine eated tea, I think I would

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<v Speaker 1>have to do a full switch out and have it

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<v Speaker 1>instead of coffee, which I've never tried to do. But

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<v Speaker 1>occasionally I do enjoy non tea teas. I like some

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<v Speaker 1>herbal teas, lemon ginger and fusions and stuff, and I

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<v Speaker 1>guess they do make decaffeated tea, but I've just never

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<v Speaker 1>gone down that path. M hmm. Yeah, yeah, I'm like you,

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<v Speaker 1>and that I can't quite put aside the morning coffee

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<v Speaker 1>I've gotten it down to just two cups of coffee,

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<v Speaker 1>my initial wake up cup, and then the second cup

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<v Speaker 1>of coffee, and then everything after that for me is key.

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<v Speaker 1>Generally it's one tea bag, multiple steeps of set tea bag.

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<v Speaker 1>And it's worth keeping in mind when thinking about the caffeine. Now,

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<v Speaker 1>this is just general, and this is maybe maybe can't

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<v Speaker 1>be applied completely across the board, but generally speaking, a

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<v Speaker 1>cup of coffee, standard cup of coffee is gonna have

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<v Speaker 1>somewhere between a hundred and hundred twenty milligrams of caffeine. Meanwhile,

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<v Speaker 1>a cup of black tea is gonna have forty milligrams

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<v Speaker 1>of caffeine. Green tea's gonna have thirty. Green and white

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<v Speaker 1>tend to have the least amount of caffeine, followed by oolong.

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<v Speaker 1>These numbers are pointed out by Laura C. Martin, whose

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<v Speaker 1>excellent book A History of Tea is one of the

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<v Speaker 1>sources I'm gonna keep coming back to in these episodes. Okay,

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<v Speaker 1>so even if I did try to incorporate uh some

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<v Speaker 1>tea into my daily routine, it would not be equivalent

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<v Speaker 1>to drinking the same volume of coffee. Yes, that that

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<v Speaker 1>seems to be the case. Now that that being said,

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<v Speaker 1>there are so many ways to prepare tea, and certainly

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<v Speaker 1>you could drink enough tea, you could drink those six

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<v Speaker 1>fresh steeps of tea and risk transporting yourself to the

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<v Speaker 1>mystic mountains. So it's always always possibility, and everybody's different,

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<v Speaker 1>and you know, and and I think our relationship with

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<v Speaker 1>Katheine does change as we age, so naturally, yeah, you

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<v Speaker 1>don't have to be a total tea nerd or immerged

0:12:36.080 --> 0:12:39.240
<v Speaker 1>to any degree within an Eastern culture of tea to

0:12:39.440 --> 0:12:42.120
<v Speaker 1>be into TV, because tea has spread around the globe

0:12:42.120 --> 0:12:45.600
<v Speaker 1>by this point. Tea culture now encompasses everything from British

0:12:45.679 --> 0:12:50.240
<v Speaker 1>high tea to Southern sweet iced tea uh Taiwanese bubble

0:12:50.280 --> 0:12:54.520
<v Speaker 1>tea to things like Senegalese um tea and they're you know,

0:12:54.520 --> 0:12:58.839
<v Speaker 1>they're Tibetan um uh tea preparation methods that are also

0:12:59.000 --> 0:13:02.040
<v Speaker 1>rather distinct, and again we'll come back to some examples

0:13:02.040 --> 0:13:06.000
<v Speaker 1>of these later on. But I thought an interesting place

0:13:06.040 --> 0:13:08.640
<v Speaker 1>to start might be too. Instead of starting with the

0:13:08.720 --> 0:13:12.280
<v Speaker 1>familiar or even anything in the actual real world, we

0:13:12.400 --> 0:13:17.520
<v Speaker 1>might start off by getting into the mythological origins of

0:13:17.520 --> 0:13:21.120
<v Speaker 1>tea even before we get into the botanical realities of tea,

0:13:21.440 --> 0:13:23.880
<v Speaker 1>we might start and just purely mythic and I think

0:13:23.920 --> 0:13:29.720
<v Speaker 1>mostly Chinese mythological origins for this splendid beverage. Oh wait

0:13:29.760 --> 0:13:31.840
<v Speaker 1>a minute, Wait a minute. If we're getting into a

0:13:31.880 --> 0:13:36.480
<v Speaker 1>myth about a psychoactive substance and its ancient Chinese myth,

0:13:36.840 --> 0:13:40.319
<v Speaker 1>are we going to meet the divine farmer once again? Yes,

0:13:40.800 --> 0:13:43.319
<v Speaker 1>yes we will, because of course, if it involves something

0:13:43.360 --> 0:13:47.440
<v Speaker 1>that you should eat or shouldn't eat, and is a

0:13:47.480 --> 0:13:51.200
<v Speaker 1>plan of some sort, then yeah, the divine farmer Shinnong

0:13:51.320 --> 0:13:54.680
<v Speaker 1>has to show up Shinnong putting things in his mouth

0:13:54.720 --> 0:13:58.679
<v Speaker 1>for everybody's benefit. That's right. Yes, we've We've talked about

0:13:58.720 --> 0:14:01.200
<v Speaker 1>Chinong before on the show. He's a pretty important figure

0:14:01.240 --> 0:14:04.720
<v Speaker 1>in Chinese mythology and he's tied to myths concerning various

0:14:04.720 --> 0:14:10.240
<v Speaker 1>botanical substances. Um. His name literally means divine farmer. He's

0:14:10.280 --> 0:14:14.400
<v Speaker 1>a culture bear, a god um. He's attributed with the

0:14:14.440 --> 0:14:18.960
<v Speaker 1>invention of agriculture and the introduction of agriculture to human beings. Uh.

0:14:19.000 --> 0:14:21.800
<v Speaker 1>He's an important name in Chinese medicine. He's said to

0:14:21.840 --> 0:14:26.160
<v Speaker 1>have invented various farm tools and musical instruments. Uh, So

0:14:26.880 --> 0:14:30.200
<v Speaker 1>there's a lot that this mytholological figure is attributed with.

0:14:30.360 --> 0:14:33.760
<v Speaker 1>And you know, obviously as a mythological figure, he is

0:14:33.800 --> 0:14:36.400
<v Speaker 1>sort of summing up and condensing a lot of the

0:14:36.480 --> 0:14:40.680
<v Speaker 1>things that actual human beings did over the course of generations.

0:14:40.960 --> 0:14:45.680
<v Speaker 1>Figuring out which plant has a medicinal property or seems

0:14:45.720 --> 0:14:48.800
<v Speaker 1>to which plant is good to eat, which plant will

0:14:48.880 --> 0:14:51.640
<v Speaker 1>kill you, that sort of thing. You should definitely look

0:14:51.680 --> 0:14:54.680
<v Speaker 1>up some images of him because he's He's often depicted

0:14:54.920 --> 0:14:58.680
<v Speaker 1>as this kind of squat older man with bovine or

0:14:58.680 --> 0:15:02.680
<v Speaker 1>ox like characteristic, often kind of wide set eyes and

0:15:02.680 --> 0:15:04.960
<v Speaker 1>and even one of my favorite things about him is

0:15:05.000 --> 0:15:08.200
<v Speaker 1>he often has these kind of nub like horns. Now

0:15:08.240 --> 0:15:10.400
<v Speaker 1>I have seen depictions I think these are more modern,

0:15:10.440 --> 0:15:12.040
<v Speaker 1>but it could be wrong where he has like full

0:15:12.080 --> 0:15:15.960
<v Speaker 1>blown horns, like like a hornet deity. But generally it's

0:15:16.000 --> 0:15:18.800
<v Speaker 1>these kind of nubs where he looks just again, very

0:15:18.920 --> 0:15:23.120
<v Speaker 1>very bovine. Would you call him buds? Are those called buds? Yeah?

0:15:23.160 --> 0:15:25.360
<v Speaker 1>They kind of look like like buds. Yeah. Like, if

0:15:25.360 --> 0:15:27.760
<v Speaker 1>you don't know what you're looking at, you might say, well, well,

0:15:27.800 --> 0:15:30.200
<v Speaker 1>why does that man have two bumps on his head? Uh?

0:15:30.240 --> 0:15:35.040
<v Speaker 1>And it's because it's invoking this kind of ox like characteristics, Uh,

0:15:35.320 --> 0:15:38.280
<v Speaker 1>characteristic of the character. And in some tales he was

0:15:38.320 --> 0:15:41.400
<v Speaker 1>said to have had the head of a dragon, others

0:15:41.680 --> 0:15:43.840
<v Speaker 1>the head of an ox. And so we do have

0:15:43.880 --> 0:15:45.920
<v Speaker 1>to remember that he is a god, of course, so

0:15:46.280 --> 0:15:49.280
<v Speaker 1>it's natural that he might have some qualities like this.

0:15:50.840 --> 0:15:53.920
<v Speaker 1>There are various tales about his birth, including some traditions

0:15:53.960 --> 0:15:59.560
<v Speaker 1>that relate his incredible rate of maturity. Uh. Once version

0:15:59.600 --> 0:16:01.640
<v Speaker 1>said that he to talk at three days old, he

0:16:01.720 --> 0:16:04.720
<v Speaker 1>had all of his teeth, etcetera. And in some accounts

0:16:04.720 --> 0:16:07.480
<v Speaker 1>his father was an actual dragon. Wait when you said

0:16:07.520 --> 0:16:09.240
<v Speaker 1>had all of his teeth, he meant he was like

0:16:09.400 --> 0:16:11.200
<v Speaker 1>born with all of his teeth, or he had all

0:16:11.240 --> 0:16:13.520
<v Speaker 1>of his teeth when he was three days old. His

0:16:13.600 --> 0:16:16.480
<v Speaker 1>memory serves, and I believe this is related in the

0:16:16.520 --> 0:16:20.120
<v Speaker 1>book Chinese Mythology by yang On and Turner. Uh, there's

0:16:20.240 --> 0:16:22.760
<v Speaker 1>tales it's like, all right, at three days he had this,

0:16:22.880 --> 0:16:25.200
<v Speaker 1>At four days he had this. So he's just maturing

0:16:25.200 --> 0:16:28.120
<v Speaker 1>at a rapid rate, where at like three months old,

0:16:28.560 --> 0:16:31.800
<v Speaker 1>he knows everything about agriculture and he's able to teach

0:16:31.800 --> 0:16:35.840
<v Speaker 1>it to humanity. Okay, but the basic story with Shinnong

0:16:35.920 --> 0:16:39.240
<v Speaker 1>concerning plants is that he not only gave humans the

0:16:39.280 --> 0:16:42.680
<v Speaker 1>knowledge of agriculture, he also sussed out which plants were

0:16:42.760 --> 0:16:45.800
<v Speaker 1>useful in medicine and which ones were food, and also

0:16:45.840 --> 0:16:48.280
<v Speaker 1>which ones were poison. And he did this, of course,

0:16:48.320 --> 0:16:53.040
<v Speaker 1>by testing them all himself. Uh. In some tellings, he's

0:16:53.080 --> 0:16:57.080
<v Speaker 1>not actually eating them. He's thrashing them with a reddish

0:16:57.120 --> 0:17:00.240
<v Speaker 1>brown whip, like a whip that is um. And there's

0:17:00.240 --> 0:17:02.080
<v Speaker 1>a lot you can get into with the symbolism of it.

0:17:02.080 --> 0:17:05.280
<v Speaker 1>I've seen that it's there's something to it that this

0:17:05.320 --> 0:17:08.359
<v Speaker 1>is kind of the color of dried blood. Um. Other

0:17:08.359 --> 0:17:10.840
<v Speaker 1>times he has a cauldron. Uh so yeah. In some

0:17:10.880 --> 0:17:13.119
<v Speaker 1>cases he says to have, you know, some tools that

0:17:13.160 --> 0:17:16.879
<v Speaker 1>he's using. But in many tellings and certainly many artistic interpretations,

0:17:17.080 --> 0:17:20.800
<v Speaker 1>he's testing all of these various botanicals out by eating them,

0:17:21.359 --> 0:17:24.120
<v Speaker 1>and then afterwards he passes judgment. He's like, Okay, this

0:17:24.119 --> 0:17:26.360
<v Speaker 1>this is a plant that would be good from medicine,

0:17:26.720 --> 0:17:29.399
<v Speaker 1>so I'm going to put it into my right hand bag. Uh,

0:17:29.520 --> 0:17:31.200
<v Speaker 1>this one is good for food, so it's going into

0:17:31.200 --> 0:17:34.120
<v Speaker 1>my left hand bag. And he sorts it generally like that.

0:17:34.960 --> 0:17:39.480
<v Speaker 1>What about the ones that are poisonous um. He there's

0:17:39.520 --> 0:17:42.000
<v Speaker 1>one tale where if something's poisonous, he just wants to

0:17:42.040 --> 0:17:45.960
<v Speaker 1>stop it. Like, I think there's a story that's related

0:17:46.040 --> 0:17:50.480
<v Speaker 1>about Ginger where originally Ginger was said to be poisonous

0:17:50.920 --> 0:17:53.639
<v Speaker 1>and she took a look at each he like he

0:17:53.720 --> 0:17:55.200
<v Speaker 1>checked it out and he's like, yeah, this is horrible.

0:17:55.240 --> 0:17:56.920
<v Speaker 1>I want to stomp on it as well. And then

0:17:57.040 --> 0:17:59.800
<v Speaker 1>Ginger had to change in order to be accepted, and

0:17:59.800 --> 0:18:04.320
<v Speaker 1>that's and Ginger went underground. Oh beautiful. Yeah, so yeah,

0:18:04.320 --> 0:18:06.160
<v Speaker 1>I want to explore that one more at some point

0:18:06.160 --> 0:18:08.480
<v Speaker 1>because I don't really understand all the meaning going on there,

0:18:08.480 --> 0:18:11.000
<v Speaker 1>but it's it's it's interesting. Now. I don't know if

0:18:11.000 --> 0:18:15.560
<v Speaker 1>we've talked about this version of the story with Schino before,

0:18:15.640 --> 0:18:18.920
<v Speaker 1>but as yang On in Turner point out, in Chinese mythology,

0:18:19.240 --> 0:18:23.880
<v Speaker 1>some versions also state that Shinong is particularly good at

0:18:23.920 --> 0:18:26.680
<v Speaker 1>figuring all of this out because he has a crystal

0:18:26.800 --> 0:18:31.960
<v Speaker 1>stomach and he can see everything that's going on inside

0:18:31.960 --> 0:18:35.680
<v Speaker 1>of his own internal organs as he's digesting things. He's

0:18:35.720 --> 0:18:38.840
<v Speaker 1>like tobor He's they open up his his stomach and

0:18:38.880 --> 0:18:42.920
<v Speaker 1>they can look inside and see see all the parts working. Yeah. Yeah,

0:18:42.960 --> 0:18:46.040
<v Speaker 1>I just I love, I definitely picture this is kind

0:18:46.080 --> 0:18:49.199
<v Speaker 1>of like almost some sort of an android body that

0:18:49.240 --> 0:18:51.879
<v Speaker 1>he has going on underneath his his robes here that

0:18:51.880 --> 0:18:54.040
<v Speaker 1>he can pull it up and yeah, it's just crystal

0:18:54.160 --> 0:18:57.520
<v Speaker 1>organs under crystal skin, and he can observe all every

0:18:57.520 --> 0:19:01.200
<v Speaker 1>little detail going on in digestion. So in some versions

0:19:01.440 --> 0:19:04.159
<v Speaker 1>of the story, the first plant he was said to

0:19:04.200 --> 0:19:07.800
<v Speaker 1>taste was a green leaf, which once he put it

0:19:07.840 --> 0:19:09.560
<v Speaker 1>in his mouth and swallowed it, it went on a

0:19:09.640 --> 0:19:13.760
<v Speaker 1>grand tour of his insides, cleaning up everything along the way.

0:19:13.800 --> 0:19:17.080
<v Speaker 1>And again, crystal stomach, so he gets to watch it go. Okay,

0:19:17.080 --> 0:19:20.560
<v Speaker 1>so it's kind of like a dryer sheet or something. Yeah, yeah,

0:19:20.600 --> 0:19:25.919
<v Speaker 1>I guess. Um. This particular plant was referred to as cha,

0:19:26.359 --> 0:19:31.160
<v Speaker 1>which means to inspect, which eventually got confused in later

0:19:31.160 --> 0:19:34.920
<v Speaker 1>tellings with cha, which is the exact same phonetic sound

0:19:35.720 --> 0:19:40.639
<v Speaker 1>but a different Chinese character. So the story becomes later

0:19:40.720 --> 0:19:45.080
<v Speaker 1>on that Chinong was poisoning himself upwards of seventy times

0:19:45.080 --> 0:19:48.160
<v Speaker 1>a day, testing out the world's plants to determine which

0:19:48.160 --> 0:19:51.480
<v Speaker 1>ones we could use for various purposes, and if something

0:19:51.680 --> 0:19:53.560
<v Speaker 1>got on top of him, he got some poison going

0:19:53.600 --> 0:19:56.320
<v Speaker 1>around in his system, he would turn to the cleansing

0:19:56.359 --> 0:20:00.640
<v Speaker 1>power of tea to detoxify himself. Oh so, by the way,

0:20:00.720 --> 0:20:04.479
<v Speaker 1>you should not derive actual use value for from that.

0:20:04.520 --> 0:20:06.680
<v Speaker 1>But yeah, so in this version of the story, tea

0:20:06.960 --> 0:20:11.280
<v Speaker 1>is like a universal antidote, right. And my understanding too

0:20:11.400 --> 0:20:14.400
<v Speaker 1>is that older versions of the story are not referring

0:20:14.440 --> 0:20:18.720
<v Speaker 1>to tea, but it becomes tea, and later tellings of

0:20:18.800 --> 0:20:23.280
<v Speaker 1>the story. Uh, though though there is this eventually catches

0:20:23.359 --> 0:20:25.439
<v Speaker 1>up with him. Um. I was reading in the in

0:20:25.480 --> 0:20:28.040
<v Speaker 1>that book that one day he has said to have

0:20:28.119 --> 0:20:32.159
<v Speaker 1>tried a yellow flower, and upon trying the yellow flower,

0:20:32.359 --> 0:20:35.919
<v Speaker 1>it broke his intestines into pieces. So I guess he

0:20:36.000 --> 0:20:40.119
<v Speaker 1>sees this through his stomach, his crystal stomach. Uh. This

0:20:40.160 --> 0:20:43.440
<v Speaker 1>occurs the just the moment he swallows it, and he's

0:20:43.520 --> 0:20:45.399
<v Speaker 1>quickly trying to, you know, get himself some tea so

0:20:45.400 --> 0:20:47.800
<v Speaker 1>he can cleanse everything up, but it is too late.

0:20:47.960 --> 0:20:51.719
<v Speaker 1>He dies, and the plant uh that that does this

0:20:51.800 --> 0:20:56.399
<v Speaker 1>to him becomes known as the intestine breaking weed. That

0:20:56.520 --> 0:20:59.719
<v Speaker 1>is brutal in so many ways, especially because it imagines

0:20:59.800 --> 0:21:05.439
<v Speaker 1>the testines as brittle rather than elastic. I mean, I

0:21:05.440 --> 0:21:09.760
<v Speaker 1>guess you could think of them that way. Uh, well again,

0:21:09.800 --> 0:21:13.320
<v Speaker 1>it makes me personally think of Shinnong's crystal organs as

0:21:13.320 --> 0:21:16.000
<v Speaker 1>being like glass. And then the shattering is kind of

0:21:16.040 --> 0:21:20.400
<v Speaker 1>like when a cartoon character bites on on something that's

0:21:20.400 --> 0:21:23.080
<v Speaker 1>too hard in their teeth. Do that that cartoon shattering thing?

0:21:23.520 --> 0:21:25.600
<v Speaker 1>That's what I picture in my mind happening to Shino

0:21:25.800 --> 0:21:38.800
<v Speaker 1>here portion on, Yeah, thank thank Now. There's a book,

0:21:39.359 --> 0:21:44.240
<v Speaker 1>Shinnong's Herbal Classic, a later Han dynasty book that includes

0:21:44.240 --> 0:21:47.840
<v Speaker 1>a great deal of knowledge related to various botanical substances,

0:21:48.080 --> 0:21:51.199
<v Speaker 1>and this book is attributed to Shinno, likely based on

0:21:51.359 --> 0:21:55.199
<v Speaker 1>oral traditions. It includes a passage on t telling us

0:21:55.240 --> 0:21:57.960
<v Speaker 1>that it's bitter and share some details about when, how

0:21:58.000 --> 0:22:01.040
<v Speaker 1>and where it grows best. But as Laura C. Martin

0:22:01.119 --> 0:22:03.480
<v Speaker 1>points out in a History of Tea, references to tea

0:22:03.560 --> 0:22:07.000
<v Speaker 1>in this book were probably not original to it, as

0:22:07.040 --> 0:22:09.840
<v Speaker 1>the character for tea itself didn't come into usage until

0:22:10.200 --> 0:22:13.399
<v Speaker 1>uh seventh century. But more on the timeline of T

0:22:13.720 --> 0:22:16.439
<v Speaker 1>in a bit, because we're still for now in the

0:22:16.520 --> 0:22:21.400
<v Speaker 1>mythic timeline. Okay, But talking about this book attributed to Sinong,

0:22:21.520 --> 0:22:24.920
<v Speaker 1>the idea is that, uh, probably there were earlier versions

0:22:25.000 --> 0:22:27.240
<v Speaker 1>of the book that did not have the tea passages,

0:22:27.520 --> 0:22:30.760
<v Speaker 1>and then recopying through the year's tea passages were inserted

0:22:30.800 --> 0:22:34.600
<v Speaker 1>by some editor or copyist exactly. Yes, Now there are

0:22:34.600 --> 0:22:37.359
<v Speaker 1>a couple of other tea related myths here. This is

0:22:37.400 --> 0:22:40.080
<v Speaker 1>one that young on In Turner point out. It's a

0:22:40.119 --> 0:22:44.359
<v Speaker 1>creation myth of the the young ethnic people known outside

0:22:44.359 --> 0:22:48.560
<v Speaker 1>of China as the Poloang people in your non province.

0:22:48.920 --> 0:22:52.200
<v Speaker 1>And it said that in this creation myth, a hundred

0:22:52.240 --> 0:22:54.639
<v Speaker 1>and two tea leaves went around and around in the

0:22:54.680 --> 0:22:58.320
<v Speaker 1>air for thirty thousand years and then transformed into fifty

0:22:58.320 --> 0:23:00.960
<v Speaker 1>one young men and fifty one young hmen. That's the

0:23:01.000 --> 0:23:05.000
<v Speaker 1>beginning of humanity. Now there's another one. This is uh

0:23:05.359 --> 0:23:09.080
<v Speaker 1>This is a tea myth that largely emerges from India

0:23:09.200 --> 0:23:12.680
<v Speaker 1>rather than China. As Martin points out, the early history

0:23:12.680 --> 0:23:15.760
<v Speaker 1>of tea centers around China, but the plant is indigenous

0:23:15.800 --> 0:23:19.840
<v Speaker 1>to the Assam region of India in addition to southwestern China.

0:23:20.480 --> 0:23:22.560
<v Speaker 1>Yet it seems that it was little known or used

0:23:22.560 --> 0:23:25.480
<v Speaker 1>in India prior to the sixth century see heat and

0:23:25.520 --> 0:23:27.199
<v Speaker 1>if you don't know where it is, a psalm is

0:23:27.359 --> 0:23:32.120
<v Speaker 1>located in northeastern India, so the the area of origin

0:23:32.240 --> 0:23:35.560
<v Speaker 1>for the tea plant we think is basically southwestern China

0:23:35.680 --> 0:23:40.440
<v Speaker 1>northeastern India. Yeah yeah, though it does seem like it

0:23:40.520 --> 0:23:45.560
<v Speaker 1>was better known in China as opposed to India. But

0:23:45.840 --> 0:23:48.800
<v Speaker 1>of course we see a fair amount of cultural exchange

0:23:48.840 --> 0:23:52.399
<v Speaker 1>between India and China, and of course the most famous

0:23:52.480 --> 0:23:56.240
<v Speaker 1>example of this is of course Buddhism, and this particular

0:23:57.000 --> 0:24:02.080
<v Speaker 1>story does involve Buddhism as well. It's the story of Bodhidharma,

0:24:02.320 --> 0:24:06.480
<v Speaker 1>who was a fifth century semi legendary Indian prince who,

0:24:06.560 --> 0:24:09.440
<v Speaker 1>much like the Buddha himself a thousand years earlier, came

0:24:09.480 --> 0:24:12.080
<v Speaker 1>to see the emptiness of wealth and abandoned all of

0:24:12.119 --> 0:24:15.720
<v Speaker 1>it in the quest for enlightenment. He became a Buddhist monk,

0:24:15.880 --> 0:24:18.720
<v Speaker 1>and after many years of study, he travels to China

0:24:18.840 --> 0:24:23.320
<v Speaker 1>to reintroduce Buddhism and found Buddhism had been introduced into

0:24:23.400 --> 0:24:25.639
<v Speaker 1>China previously, but this most period where maybe he was

0:24:25.680 --> 0:24:28.520
<v Speaker 1>waning a bit, and he said to end up becoming

0:24:28.520 --> 0:24:32.480
<v Speaker 1>the founder of Chan Buddhism in the process. But while

0:24:32.520 --> 0:24:34.800
<v Speaker 1>he's in China, after visiting the emperor on this trip,

0:24:35.160 --> 0:24:38.280
<v Speaker 1>he retreats to a Shaolin temple and here he begins

0:24:38.320 --> 0:24:44.359
<v Speaker 1>a long period of devoted meditation and asceticism. So depending

0:24:44.400 --> 0:24:47.720
<v Speaker 1>on the tail, and again they're different versions with this

0:24:47.880 --> 0:24:50.560
<v Speaker 1>says with most of these stories, he either stares at

0:24:50.560 --> 0:24:54.280
<v Speaker 1>a wall for nine years in meditation or he gives

0:24:54.359 --> 0:24:56.600
<v Speaker 1>up sweep for nine years so that he can really

0:24:56.640 --> 0:25:01.080
<v Speaker 1>double down on his meditation. In version of this story,

0:25:01.119 --> 0:25:03.760
<v Speaker 1>he grows so sleepy that he reaches out and he

0:25:03.800 --> 0:25:05.840
<v Speaker 1>grabs a leaf, like a random leaf, and he just

0:25:05.840 --> 0:25:07.720
<v Speaker 1>shoves it in his mouth to chew it as a

0:25:07.760 --> 0:25:10.560
<v Speaker 1>way to perk himself up. And his luck would have it,

0:25:11.119 --> 0:25:13.680
<v Speaker 1>this plant is tea, and it really does perk him

0:25:13.720 --> 0:25:16.320
<v Speaker 1>up because it's we'll discussing a bit it it contains

0:25:16.320 --> 0:25:19.920
<v Speaker 1>a stimulant. Uh. There's another version of this tale, and

0:25:20.000 --> 0:25:22.560
<v Speaker 1>this one um I got in trouble for sharing at

0:25:22.560 --> 0:25:25.840
<v Speaker 1>the dinner table in my post research excitement. But in

0:25:25.880 --> 0:25:29.600
<v Speaker 1>this other version, he's getting sleepy and he pulls off

0:25:29.640 --> 0:25:33.879
<v Speaker 1>his own eyelids because it's like heavy eyelids that keep shutting.

0:25:33.920 --> 0:25:35.840
<v Speaker 1>I'm trying to meditate, but I keep falling asleep. So

0:25:35.840 --> 0:25:38.880
<v Speaker 1>he just pulls the eyelids off, throws him on the ground,

0:25:39.480 --> 0:25:43.359
<v Speaker 1>and then a tea plant grows from where where the

0:25:43.480 --> 0:25:47.600
<v Speaker 1>eyelids fall. So in either case, according to these these

0:25:47.720 --> 0:25:52.199
<v Speaker 1>this legendary account, he discovers tea and passes it on

0:25:52.280 --> 0:25:55.280
<v Speaker 1>to the other monks to assist them in their meditation.

0:25:55.640 --> 0:25:57.479
<v Speaker 1>All right, So that that's just a taste of some

0:25:57.560 --> 0:26:01.160
<v Speaker 1>of the mythological stories and involving the origin of tea,

0:26:01.240 --> 0:26:05.840
<v Speaker 1>this spectacular plant that is either discovered or or perhaps

0:26:05.920 --> 0:26:10.159
<v Speaker 1>even created out of some sort of inspired inside by

0:26:10.200 --> 0:26:13.800
<v Speaker 1>a legendary or semi legendary individual. Now, when it comes

0:26:13.840 --> 0:26:16.840
<v Speaker 1>to the t plant itself, I uh, there were a

0:26:16.840 --> 0:26:19.480
<v Speaker 1>few things that I actually did not know until recently.

0:26:19.520 --> 0:26:21.159
<v Speaker 1>I don't know if I should be embarrassed about not

0:26:21.200 --> 0:26:23.000
<v Speaker 1>knowing these, but I was just pretty much in the

0:26:23.080 --> 0:26:26.680
<v Speaker 1>dark about tea. But one thing I discovered was that,

0:26:26.840 --> 0:26:30.000
<v Speaker 1>apart from the issue of things being called t just

0:26:30.080 --> 0:26:33.240
<v Speaker 1>actually being an infusion of anything, even when you're talking

0:26:33.240 --> 0:26:37.080
<v Speaker 1>about the tea plant itself. I previously thought that the

0:26:37.160 --> 0:26:40.280
<v Speaker 1>main varieties of tea you hear about, like green tea

0:26:40.400 --> 0:26:45.119
<v Speaker 1>and black tea, or maybe oolong tea, were from different plants.

0:26:45.119 --> 0:26:48.639
<v Speaker 1>But actually these are all from the same plant as

0:26:48.680 --> 0:26:51.520
<v Speaker 1>far as I can tell, They're just different preparation and

0:26:51.560 --> 0:26:56.919
<v Speaker 1>curing methods. Correct. Yeah, Yeah, they're essentially we're talking about

0:26:57.040 --> 0:27:02.240
<v Speaker 1>one single species of plant. Camelias sinensis camilius and insus

0:27:02.280 --> 0:27:06.520
<v Speaker 1>is an evergreen shrub or tree and uh, you know

0:27:06.560 --> 0:27:09.480
<v Speaker 1>asterix there, we'll get to that that produces small, white

0:27:09.480 --> 0:27:14.640
<v Speaker 1>petaled flowers. In the wild, it will eventually reach tree size,

0:27:15.080 --> 0:27:19.440
<v Speaker 1>but in in situations where it's been cultivated, generally they're

0:27:19.520 --> 0:27:23.040
<v Speaker 1>kept at a shrub size via pruning. Uh. They're typically

0:27:23.119 --> 0:27:25.320
<v Speaker 1>kept at like a meter or three feet in height,

0:27:25.680 --> 0:27:29.199
<v Speaker 1>as that's an ideal height for picking. Yeah, and so

0:27:29.280 --> 0:27:32.000
<v Speaker 1>you have these top layers of leaves that come out

0:27:32.080 --> 0:27:34.760
<v Speaker 1>and I think they refer to those as flushes, like

0:27:34.840 --> 0:27:38.200
<v Speaker 1>the leaves keep uh protruding, and then the top young

0:27:38.280 --> 0:27:42.800
<v Speaker 1>leaves are harvested. Yeah. And while we're essentially talking about

0:27:42.800 --> 0:27:46.800
<v Speaker 1>one species, there are two varieties. There's Camillia sinensis. This

0:27:46.920 --> 0:27:49.439
<v Speaker 1>is the one that's indigenous to western Yunahan and China.

0:27:49.880 --> 0:27:54.480
<v Speaker 1>And then there's a variety of that Camillia sinensis assamica.

0:27:55.000 --> 0:27:57.800
<v Speaker 1>This is indigenous to the Assam region of India as

0:27:57.840 --> 0:28:02.280
<v Speaker 1>well as parts of Myanmar Island, Laos, Cambodia, Vietnam, and

0:28:02.400 --> 0:28:07.520
<v Speaker 1>southern China. Now, these two varieties, they cross pollinate easily,

0:28:07.600 --> 0:28:11.280
<v Speaker 1>so they're also blends of the two, but Martin stresses

0:28:11.359 --> 0:28:13.960
<v Speaker 1>that they're they're actually not that different in taste either.

0:28:14.080 --> 0:28:18.280
<v Speaker 1>So the varying tastes and colors of different teas they

0:28:18.320 --> 0:28:20.720
<v Speaker 1>stem from the way we process them, whether you're talking

0:28:20.760 --> 0:28:23.800
<v Speaker 1>about black or green or along, et cetera. And so

0:28:24.280 --> 0:28:27.920
<v Speaker 1>either variety of tea leaf process the same way will

0:28:28.040 --> 0:28:31.760
<v Speaker 1>basically be similar. But at the same time, we don't

0:28:31.760 --> 0:28:36.199
<v Speaker 1>want to discount traditions surrounding particular teas. Um. It's one

0:28:36.200 --> 0:28:38.120
<v Speaker 1>of those things. It's kind of like, you know, wine

0:28:38.160 --> 0:28:42.200
<v Speaker 1>taste or any kind of like uh, cultural food tradition.

0:28:42.440 --> 0:28:44.840
<v Speaker 1>There's a lot tied up in knowing where something comes

0:28:44.880 --> 0:28:48.200
<v Speaker 1>from as well, and some of that trans translates into

0:28:48.200 --> 0:28:52.160
<v Speaker 1>the into the taste for the average consumer. Sometimes it's

0:28:52.200 --> 0:28:56.520
<v Speaker 1>something that translates into the the connoisseur's taste experience. And

0:28:56.600 --> 0:28:59.000
<v Speaker 1>sometimes you're getting into an area where yes, you're being

0:28:59.040 --> 0:29:03.600
<v Speaker 1>primed that this uh, this particular I don't know, um

0:29:03.840 --> 0:29:06.320
<v Speaker 1>uh you know that this wine stems from this vintage

0:29:06.440 --> 0:29:10.680
<v Speaker 1>versus this vintage, this winery versus this winery etcetera. Yeah, yeah,

0:29:10.720 --> 0:29:12.920
<v Speaker 1>I mean, I think there are a lot of different

0:29:12.960 --> 0:29:16.200
<v Speaker 1>foods that maybe you actually couldn't tell the difference in

0:29:16.200 --> 0:29:19.320
<v Speaker 1>in a blind taste test. But then again, it might

0:29:19.360 --> 0:29:22.880
<v Speaker 1>be cool to enjoy an authentic version of something knowing

0:29:22.920 --> 0:29:25.520
<v Speaker 1>the history behind it, like knowing where it comes from

0:29:25.560 --> 0:29:27.640
<v Speaker 1>and being able to think about that and so forth.

0:29:27.920 --> 0:29:31.680
<v Speaker 1>Exactly so. In the wild, tea plants are generally going

0:29:31.720 --> 0:29:35.400
<v Speaker 1>to thrive in an open woodland area or on the

0:29:35.600 --> 0:29:38.520
<v Speaker 1>edge of the woodlands where they can benefit from the

0:29:38.600 --> 0:29:43.440
<v Speaker 1>shade of larger trees. As such, when cultivating tea plants,

0:29:43.680 --> 0:29:47.600
<v Speaker 1>they're generally grown alongside shade trees. Uh. These, as Martin

0:29:47.680 --> 0:29:50.680
<v Speaker 1>points out, not only provide shade, but also, uh it

0:29:50.760 --> 0:29:54.720
<v Speaker 1>keeps weeds away and enriches the soil. And uh generally

0:29:54.760 --> 0:29:57.320
<v Speaker 1>the leaves and the buds are or what are harvested

0:29:57.560 --> 0:30:01.120
<v Speaker 1>fresh leaves generally contain about four percent caffeine. I'm reading,

0:30:02.120 --> 0:30:05.640
<v Speaker 1>And I was wondering about this because I had read that,

0:30:06.320 --> 0:30:08.640
<v Speaker 1>uh it is maybe we can get more into this

0:30:08.640 --> 0:30:11.120
<v Speaker 1>when we do some of the cultural history. But I

0:30:11.160 --> 0:30:15.040
<v Speaker 1>had read that tea leaves were traditionally treated as a

0:30:15.240 --> 0:30:18.560
<v Speaker 1>food plant in China. More so than a beverage plant

0:30:18.600 --> 0:30:22.640
<v Speaker 1>and the beverage uh stage came later. And so apparently

0:30:22.680 --> 0:30:25.680
<v Speaker 1>you can eat tea leaves like you can just prepare

0:30:25.720 --> 0:30:28.240
<v Speaker 1>them like a green and chew them up and eat them.

0:30:28.760 --> 0:30:31.360
<v Speaker 1>People do this sometimes and it's fine, though you need

0:30:31.400 --> 0:30:33.560
<v Speaker 1>to be careful about how much you eat, obviously, because

0:30:33.560 --> 0:30:36.280
<v Speaker 1>you don't want to overdose yourself on caffeine right right,

0:30:36.320 --> 0:30:39.120
<v Speaker 1>because most of us don't have crystal clear guts that

0:30:39.320 --> 0:30:42.640
<v Speaker 1>we can look at and and determine what's happening. Um,

0:30:42.680 --> 0:30:45.240
<v Speaker 1>you know, by the moment. But yeah, that'll be fun

0:30:45.240 --> 0:30:49.880
<v Speaker 1>to get into and subsequent episode. Um. The the history

0:30:49.880 --> 0:30:52.440
<v Speaker 1>of tea as a beverage is also the history of

0:30:52.480 --> 0:30:55.800
<v Speaker 1>a food. Uh so, yeah, I'm looking forward to that.

0:31:05.600 --> 0:31:07.800
<v Speaker 1>But coming back to the caffeine, this is a question

0:31:07.800 --> 0:31:10.280
<v Speaker 1>that applies of course to tea, but also to other

0:31:10.640 --> 0:31:14.000
<v Speaker 1>caffeine eated beverages or at least ones that have a

0:31:14.120 --> 0:31:18.680
<v Speaker 1>natural origin, Like why is there a caffeine in the leaf?

0:31:18.720 --> 0:31:21.520
<v Speaker 1>Like what? What is there? Why? Why is that substance

0:31:21.600 --> 0:31:25.440
<v Speaker 1>that that for us humans as a stimulant that kind

0:31:25.480 --> 0:31:28.800
<v Speaker 1>of manipulates us as a consumer of the plant, Like

0:31:28.840 --> 0:31:31.800
<v Speaker 1>why is it even there to begin with great question.

0:31:31.960 --> 0:31:34.760
<v Speaker 1>So as a jumping off point to answer this, I

0:31:34.800 --> 0:31:37.320
<v Speaker 1>wanted to refer to an article I was reading on

0:31:37.320 --> 0:31:40.920
<v Speaker 1>the subject by previous show guest Carl Zimmer, who is

0:31:41.240 --> 0:31:43.840
<v Speaker 1>one of our favorite science writers. He's he's been a

0:31:43.880 --> 0:31:46.160
<v Speaker 1>guest on the podcast before. Maybe we'll get him back

0:31:46.200 --> 0:31:48.440
<v Speaker 1>again someday. But he came on to talk about his

0:31:48.480 --> 0:31:51.720
<v Speaker 1>book on jeans and heredity called She Has Her Mother's Laugh,

0:31:51.760 --> 0:31:54.560
<v Speaker 1>which is a fantastic book. And so Carl Zimmer had

0:31:54.560 --> 0:31:57.440
<v Speaker 1>an article in The New York Times called how Caffeine

0:31:57.480 --> 0:32:00.680
<v Speaker 1>evolved to help plants survive and help people wake up?

0:32:01.360 --> 0:32:04.200
<v Speaker 1>And he begins by pointing out some rough stats about

0:32:04.200 --> 0:32:08.120
<v Speaker 1>the popularity and power of coffee and caffeine, saying the

0:32:08.160 --> 0:32:11.959
<v Speaker 1>world consumes roughly twenty six thousand cups of coffee per second.

0:32:12.080 --> 0:32:16.400
<v Speaker 1>That's a lot. That caffeine is probably the most widely

0:32:16.480 --> 0:32:20.240
<v Speaker 1>used psychoactive substance in the world. But there's an interesting

0:32:20.360 --> 0:32:23.320
<v Speaker 1>thing about caffeine, which is that it has a number

0:32:23.480 --> 0:32:29.680
<v Speaker 1>of different associated plants that it comes from. So, for example,

0:32:29.680 --> 0:32:32.240
<v Speaker 1>there are coffee beans. Coffee beans are the seeds of

0:32:32.280 --> 0:32:36.440
<v Speaker 1>a genus of flowering plant called Caffea or coffee a

0:32:36.600 --> 0:32:40.080
<v Speaker 1>in the family ruby Ashi. These plants are native to

0:32:40.200 --> 0:32:43.360
<v Speaker 1>tropical Africa and tropical Asia. There is, of course t

0:32:43.640 --> 0:32:45.840
<v Speaker 1>tea again is made from the leaves of the evergreen

0:32:45.880 --> 0:32:49.160
<v Speaker 1>shrub Camelius and insis, which is native to East Asia.

0:32:49.720 --> 0:32:53.080
<v Speaker 1>There's mate made from the yurba mate plant, which is

0:32:53.120 --> 0:32:57.080
<v Speaker 1>a holly shrub native to South America. Scientific name Ilex

0:32:57.320 --> 0:33:02.160
<v Speaker 1>paraguari insis and and you've even got chocolate. Chocolate also

0:33:02.200 --> 0:33:05.840
<v Speaker 1>contains caffeine. Chocolate is made from seeds of the cacao

0:33:05.920 --> 0:33:10.160
<v Speaker 1>tree or theobroma cacao. Theobroma, by the way, means food

0:33:10.200 --> 0:33:14.960
<v Speaker 1>of the gods, theo roma uh and historically was not

0:33:15.120 --> 0:33:18.120
<v Speaker 1>always used as an ingredient in sweets and desserts. The

0:33:18.120 --> 0:33:20.600
<v Speaker 1>main way we in the United States consume it today.

0:33:20.640 --> 0:33:24.440
<v Speaker 1>It was often consumed as a bitter, hot, or cold beverage,

0:33:24.520 --> 0:33:27.200
<v Speaker 1>kind of similar to how we consume coffee, which of

0:33:27.200 --> 0:33:29.520
<v Speaker 1>course would have carried a punch of caffeine, and chocolate

0:33:29.560 --> 0:33:33.400
<v Speaker 1>does have caffeine. I think our Invention episode where we

0:33:33.760 --> 0:33:36.959
<v Speaker 1>talked to Jeff Beach Bonberri, we talked a little bit

0:33:36.960 --> 0:33:43.680
<v Speaker 1>about ancient recipes for hot chocolate essentially, but It's kind

0:33:43.680 --> 0:33:48.760
<v Speaker 1>of interesting to look at this geographic distribution and say,

0:33:48.800 --> 0:33:52.400
<v Speaker 1>how do all of these different plants that are not

0:33:52.600 --> 0:33:57.240
<v Speaker 1>closely related to one another independently make this same compound.

0:33:57.640 --> 0:34:01.280
<v Speaker 1>We know why humans like caffeine, but what does caffeine

0:34:01.360 --> 0:34:03.960
<v Speaker 1>do for the plants and how did all these diverse

0:34:04.040 --> 0:34:07.280
<v Speaker 1>different species evolved to make it well. This article looks

0:34:07.320 --> 0:34:11.080
<v Speaker 1>at a study published in the journal Science in where

0:34:11.160 --> 0:34:14.840
<v Speaker 1>researchers detailed an effort to sequence the genome of a

0:34:14.880 --> 0:34:17.840
<v Speaker 1>species of coffee plant responsible for many of the world's

0:34:17.880 --> 0:34:21.880
<v Speaker 1>coffee beans. This remember, coffee comes from the genus Caffea

0:34:22.040 --> 0:34:25.640
<v Speaker 1>or coffea, and this is a coffee a Caniphora. The

0:34:25.680 --> 0:34:29.560
<v Speaker 1>study is by uh France um Oh. I do not

0:34:29.640 --> 0:34:31.840
<v Speaker 1>know how to pronounce this last name d E n

0:34:31.880 --> 0:34:35.200
<v Speaker 1>O e U d is how the name is spelled

0:34:35.920 --> 0:34:39.280
<v Speaker 1>at all. And the title is the coffee genome provides

0:34:39.320 --> 0:34:43.440
<v Speaker 1>insight into the convergent evolution of caffeine biosynthesis. Again, that's

0:34:43.440 --> 0:34:47.080
<v Speaker 1>in the journal Science. So one thing this study looked

0:34:47.120 --> 0:34:51.040
<v Speaker 1>at is how caffeine is actually synthesized in coffee plants,

0:34:51.080 --> 0:34:54.640
<v Speaker 1>and it turns out it is a multi stage transformation

0:34:54.719 --> 0:34:58.360
<v Speaker 1>of molecule that it begins with a compound called xant zine,

0:34:59.120 --> 0:35:03.080
<v Speaker 1>and the coffee plan it manufactures several enzymes that act

0:35:03.120 --> 0:35:05.759
<v Speaker 1>on this compound. So one enzyme removes an arm of

0:35:05.840 --> 0:35:09.560
<v Speaker 1>the molecule, another enzyme adds a new arm. Two more

0:35:09.680 --> 0:35:13.120
<v Speaker 1>enzymes come in and add two more clusters of atoms,

0:35:13.200 --> 0:35:16.360
<v Speaker 1>and after all these transformations, you finally have transformed xantha

0:35:16.440 --> 0:35:20.520
<v Speaker 1>zine into caffeine. And the enzymes involved in this multi

0:35:20.520 --> 0:35:24.960
<v Speaker 1>step transformation are called in methyl transferraces. They are found

0:35:24.960 --> 0:35:29.040
<v Speaker 1>in all plants and they do generally this sort of work,

0:35:29.239 --> 0:35:33.880
<v Speaker 1>building specific compounds, many of which plants use to defend

0:35:34.000 --> 0:35:39.400
<v Speaker 1>themselves against predators or parasites. And one example of a

0:35:39.440 --> 0:35:43.040
<v Speaker 1>compound manufactured with the help of in methyl transferraces that

0:35:43.160 --> 0:35:45.840
<v Speaker 1>Zimmer sites in the article is salacilic acid, which is

0:35:45.880 --> 0:35:49.399
<v Speaker 1>a compound produced by willow trees which actually turns out

0:35:49.440 --> 0:35:52.319
<v Speaker 1>to be a potent pain reliever in animals like us.

0:35:52.800 --> 0:35:57.600
<v Speaker 1>Salacilic acid is the chemical basis for aspirin. But what

0:35:57.640 --> 0:36:02.720
<v Speaker 1>about the enzymes that manufacture caffeine, specifically in coffee. Well,

0:36:03.080 --> 0:36:06.360
<v Speaker 1>the authors determined that some time ago in the evolution

0:36:06.400 --> 0:36:09.360
<v Speaker 1>of the coffee plant, a gene for creating one type

0:36:09.440 --> 0:36:13.360
<v Speaker 1>of in methyl transfer ace enzyme underwent a series of

0:36:13.480 --> 0:36:17.200
<v Speaker 1>mutations to produce a variety of enzymes which would eventually

0:36:17.320 --> 0:36:20.400
<v Speaker 1>create caffeine. And so one of the co authors is

0:36:20.480 --> 0:36:24.360
<v Speaker 1>quoted in Carl Zimmer's articles. This is by Victor A.

0:36:24.360 --> 0:36:28.040
<v Speaker 1>Albert saying, they're all descendants of a common ancestor enzyme

0:36:28.120 --> 0:36:32.160
<v Speaker 1>that started screwing around with zanta zine compounds. So the

0:36:32.239 --> 0:36:34.200
<v Speaker 1>plants are just kind of like doing all these little

0:36:34.280 --> 0:36:39.800
<v Speaker 1>variations on this originator molecule and producing these derivative molecules

0:36:39.800 --> 0:36:44.480
<v Speaker 1>that in many cases are physiologically active or psychoactive on animals.

0:36:45.120 --> 0:36:48.360
<v Speaker 1>And it turns out scientists had already discovered that caffeine

0:36:48.400 --> 0:36:51.640
<v Speaker 1>was created by the action of in methyl transfer aces

0:36:51.840 --> 0:36:56.160
<v Speaker 1>in cocaw trees and in the t plant, so similar

0:36:56.400 --> 0:37:00.120
<v Speaker 1>molecular frameworks are going on within coffee plants with in

0:37:00.680 --> 0:37:04.000
<v Speaker 1>within the tree that makes chocolate or cocao, and within

0:37:04.080 --> 0:37:09.080
<v Speaker 1>ta plants. However, the researchers also found that the enzymes

0:37:09.160 --> 0:37:12.480
<v Speaker 1>for for making caffeine in these different plants did not

0:37:12.600 --> 0:37:14.960
<v Speaker 1>evolve from the same ancestors, so this would be a

0:37:14.960 --> 0:37:19.200
<v Speaker 1>case of convergent evolution. Different branches on the tree of

0:37:19.239 --> 0:37:24.799
<v Speaker 1>life evolving the same solution, the same phenotype independently. Uh

0:37:24.840 --> 0:37:26.960
<v Speaker 1>So you can think of a million different examples of this.

0:37:27.440 --> 0:37:32.680
<v Speaker 1>One is wings. Birds and bees both evolved flapping wings

0:37:32.719 --> 0:37:35.600
<v Speaker 1>independently for flight. They didn't get them from a common

0:37:35.680 --> 0:37:39.040
<v Speaker 1>ancestor that had wings. They you know, their last common

0:37:39.080 --> 0:37:43.160
<v Speaker 1>ancestor did not have wings, and they independently, separately came

0:37:43.239 --> 0:37:46.920
<v Speaker 1>up with the same solution. Now, when you see convergent evolution,

0:37:46.920 --> 0:37:49.560
<v Speaker 1>when you see different streams of evolution converging on the

0:37:49.640 --> 0:37:53.480
<v Speaker 1>same trait or the same solution to an environmental problem,

0:37:53.520 --> 0:37:56.279
<v Speaker 1>it's usually a sign that that trait or solution is

0:37:56.440 --> 0:37:59.319
<v Speaker 1>pretty good. It's a powerful adaptation and there's a big

0:37:59.360 --> 0:38:03.160
<v Speaker 1>survival reproduction payoff. So it would seem, based on the

0:38:03.200 --> 0:38:07.560
<v Speaker 1>evidence of convergent evolution, that producing caffeine is definitely good

0:38:07.600 --> 0:38:10.279
<v Speaker 1>for something for the plants. So what is it really

0:38:10.320 --> 0:38:12.440
<v Speaker 1>good for. Well, there are a few things we can

0:38:12.440 --> 0:38:17.040
<v Speaker 1>talk about. One is activity in poisoning or deterring predation

0:38:17.160 --> 0:38:20.960
<v Speaker 1>by insects. So, like so many of the plant based

0:38:20.960 --> 0:38:25.160
<v Speaker 1>compounds that humans ingest on purpose for their psychoactive properties,

0:38:25.600 --> 0:38:28.279
<v Speaker 1>caffeine seems to be at least in part useful for

0:38:28.520 --> 0:38:32.880
<v Speaker 1>deterring predation by insects. Insects would of course naturally like

0:38:33.040 --> 0:38:36.200
<v Speaker 1>to eat the leaves and the seeds of the coffee plant,

0:38:36.480 --> 0:38:39.560
<v Speaker 1>but high levels of caffeine are toxic to them. And

0:38:39.600 --> 0:38:42.680
<v Speaker 1>this relationship can be seen further in the fact that

0:38:43.040 --> 0:38:47.360
<v Speaker 1>the fruit flied Drosophila drosoft la has the ability to

0:38:47.400 --> 0:38:51.399
<v Speaker 1>taste the presence of certain compounds. I was reading about

0:38:51.440 --> 0:38:53.759
<v Speaker 1>how they have an array of at least sixty eight

0:38:53.840 --> 0:38:58.400
<v Speaker 1>known um These are called seven transmembrane goostatory receptors or

0:38:58.440 --> 0:39:03.480
<v Speaker 1>gustatory receptors. Are g ours and uh gustatory, meaning taste.

0:39:03.560 --> 0:39:06.960
<v Speaker 1>So these gustatory receptors allow the fly to sense the

0:39:07.000 --> 0:39:09.880
<v Speaker 1>presence of compounds that could kill it or harm it

0:39:10.440 --> 0:39:15.040
<v Speaker 1>and avoid eating them. Caffeine is one of those compounds.

0:39:15.080 --> 0:39:17.920
<v Speaker 1>Fruit Flies appear to have a suite of receptors, including

0:39:17.960 --> 0:39:21.560
<v Speaker 1>one called g R sixty six A, that work together

0:39:21.680 --> 0:39:24.839
<v Speaker 1>to sense the presence of caffeine in whatever they're they're

0:39:24.880 --> 0:39:29.160
<v Speaker 1>eating and allow an avoidance response to take over. Now,

0:39:29.200 --> 0:39:31.600
<v Speaker 1>I think it's interesting to put that together with the

0:39:31.640 --> 0:39:36.240
<v Speaker 1>fact that in the human experience, most alkaloids taste Bitter

0:39:36.920 --> 0:39:42.000
<v Speaker 1>alkaloids are a broad class of nitrogen bearing organic compounds

0:39:42.040 --> 0:39:46.400
<v Speaker 1>that plants make, many of which have physiological effects on

0:39:46.520 --> 0:39:49.680
<v Speaker 1>humans and other animals, effects ranging from uh, you know,

0:39:49.760 --> 0:39:53.439
<v Speaker 1>all your standard types of poisoning and death too, psychoactive

0:39:53.440 --> 0:39:57.320
<v Speaker 1>effects such as the stimulant effect of caffeine. So bitter

0:39:57.560 --> 0:40:01.000
<v Speaker 1>taste often causes animals to reject act to food source.

0:40:01.040 --> 0:40:02.960
<v Speaker 1>So I think it's kind of reasonable to put all

0:40:03.000 --> 0:40:06.759
<v Speaker 1>this together in wonder if the sensation of bitterness when

0:40:06.880 --> 0:40:12.360
<v Speaker 1>ingesting plants rich in alkaloids is perhaps a protective response

0:40:12.400 --> 0:40:15.600
<v Speaker 1>that tells us to stop consuming these plants and reject them,

0:40:15.920 --> 0:40:17.839
<v Speaker 1>similar in effect to the way that a fruit fly

0:40:18.000 --> 0:40:21.319
<v Speaker 1>has the ability to taste and reject caffeine, though with

0:40:21.360 --> 0:40:24.799
<v Speaker 1>a different evolutionary backstory. Yeah, that's a good point. I mean,

0:40:24.800 --> 0:40:26.719
<v Speaker 1>it makes me think of, you know that the obvious

0:40:26.800 --> 0:40:30.200
<v Speaker 1>of example of say, a child being introduced to coffee

0:40:30.239 --> 0:40:34.319
<v Speaker 1>and finding it disgusting, um because it is bitter uh

0:40:34.400 --> 0:40:36.120
<v Speaker 1>and um, you know, you know, And also we have

0:40:36.160 --> 0:40:39.080
<v Speaker 1>to think about the fact that that the chocolate unsweetened

0:40:39.080 --> 0:40:41.279
<v Speaker 1>has a very bitter taste to it as well, though

0:40:41.320 --> 0:40:44.680
<v Speaker 1>of course in both cases coffee and chocolate. Uh, there

0:40:44.760 --> 0:40:48.080
<v Speaker 1>is of course a process involved here. Uh, we're not

0:40:48.080 --> 0:40:51.280
<v Speaker 1>gonna really get into with coffee and and chocolate between

0:40:51.480 --> 0:40:56.279
<v Speaker 1>plant and and even the unsweetened food product. But that's

0:40:56.320 --> 0:40:57.880
<v Speaker 1>something we can come back to in the future. I

0:40:57.880 --> 0:40:59.960
<v Speaker 1>don't have to do something on chocolate saying a few

0:41:00.000 --> 0:41:02.919
<v Speaker 1>it too, absolutely, And yeah, it's interesting to think about

0:41:02.920 --> 0:41:06.360
<v Speaker 1>are the complex human reaction or response to bitterness that

0:41:06.440 --> 0:41:11.400
<v Speaker 1>it seems bitterness is probably primarily biologically relevant in getting

0:41:11.480 --> 0:41:13.920
<v Speaker 1>us to reject foods. You know. It's like this has

0:41:14.000 --> 0:41:15.560
<v Speaker 1>something in it that I don't want to get too

0:41:15.640 --> 0:41:17.719
<v Speaker 1>much of, so I probably don't want to eat too

0:41:17.800 --> 0:41:20.760
<v Speaker 1>much of this. Yeah. So many of the naturally occurring

0:41:21.000 --> 0:41:24.919
<v Speaker 1>pesticides that we consume, h yeah, they have some sort

0:41:24.920 --> 0:41:28.000
<v Speaker 1>of a strong flavor that would tend to convince most

0:41:28.080 --> 0:41:30.680
<v Speaker 1>humans to avoid them, certainly, and in many of the

0:41:30.680 --> 0:41:34.080
<v Speaker 1>cases with our various spices, avoid them in larger quantities

0:41:34.120 --> 0:41:37.520
<v Speaker 1>than we traditionally use them. And yet we can really

0:41:37.520 --> 0:41:39.560
<v Speaker 1>get a taste for them. I mean, I like the

0:41:39.600 --> 0:41:43.840
<v Speaker 1>bitter taste of coffee and of chocolate and of tea

0:41:43.960 --> 0:41:46.680
<v Speaker 1>and so forth. It might have to do with like

0:41:46.800 --> 0:41:49.279
<v Speaker 1>it's a level of bitterness that doesn't reach kind of

0:41:49.320 --> 0:41:52.120
<v Speaker 1>a threshold at which you would find it disgusting, like

0:41:52.200 --> 0:41:55.919
<v Speaker 1>it's like below the bar for rejection. Or it could

0:41:55.960 --> 0:41:58.200
<v Speaker 1>be a totally it could be a learned response. Maybe

0:41:58.280 --> 0:42:02.040
<v Speaker 1>naturally people don't bitter stuff in any quantity, but if

0:42:02.080 --> 0:42:05.040
<v Speaker 1>culturally they learned to appreciate it, I don't know, maybe

0:42:05.160 --> 0:42:08.680
<v Speaker 1>maybe that's what's making the difference there. Oh, I mean

0:42:08.719 --> 0:42:11.680
<v Speaker 1>in cocktail culture, for example, you you know have a

0:42:12.440 --> 0:42:15.000
<v Speaker 1>you know, a whole spectrum of bitter drinks. You know,

0:42:15.320 --> 0:42:18.120
<v Speaker 1>sometimes you're just adding a little bitter taste via bitters

0:42:18.120 --> 0:42:22.120
<v Speaker 1>in many cases to u to to offset sweetness and

0:42:22.160 --> 0:42:26.439
<v Speaker 1>give you a certain flavor profile. But some people go

0:42:26.800 --> 0:42:30.600
<v Speaker 1>especially hard for those those bitter drinks. They're like, I've

0:42:30.600 --> 0:42:33.360
<v Speaker 1>never tried one of these, but you have these recipes

0:42:33.360 --> 0:42:37.360
<v Speaker 1>floating around for mixed drinks that contain like multiple bitter

0:42:37.480 --> 0:42:40.279
<v Speaker 1>components to try and create like some sort of uber

0:42:40.360 --> 0:42:44.800
<v Speaker 1>bitter concoction, which is not for me, but I I

0:42:45.160 --> 0:42:47.719
<v Speaker 1>assume it is for some people who have developed a

0:42:47.760 --> 0:42:50.560
<v Speaker 1>taste for all of those bitter components. Well, I mean,

0:42:50.640 --> 0:42:52.920
<v Speaker 1>I do think about how many of the bitter food,

0:42:53.280 --> 0:42:57.400
<v Speaker 1>almost all of the really enjoyable bitter foods and beverages

0:42:57.440 --> 0:42:59.640
<v Speaker 1>I can think of or psychoactive in one way or another.

0:42:59.680 --> 0:43:02.239
<v Speaker 1>I mean, I it's not like, you know, bitter greens

0:43:02.440 --> 0:43:04.319
<v Speaker 1>or you know, I like greens that can be better.

0:43:04.360 --> 0:43:07.879
<v Speaker 1>But I think of coffee which has caffeine. I think

0:43:08.080 --> 0:43:10.560
<v Speaker 1>of chocolate which has caffeine. I think of tea which

0:43:10.600 --> 0:43:13.560
<v Speaker 1>has caffeine. Or I think of alcoholic beverages that are bitter,

0:43:13.719 --> 0:43:17.000
<v Speaker 1>like you know, like hoppy beers and so forth. Yeah.

0:43:17.080 --> 0:43:18.920
<v Speaker 1>So it's almost like on some level of our bodies

0:43:18.920 --> 0:43:32.759
<v Speaker 1>saying this tastes bad, but something good is happening. Yeah,

0:43:33.520 --> 0:43:36.759
<v Speaker 1>but okay. So caffeine one of its roles within a

0:43:36.840 --> 0:43:40.560
<v Speaker 1>plant might be to deter insects or other animals, maybe

0:43:40.600 --> 0:43:42.920
<v Speaker 1>from eating the leaves of the plant. They got enough

0:43:42.920 --> 0:43:45.920
<v Speaker 1>caffeine in there. One way or another, the toxicity of

0:43:45.920 --> 0:43:49.520
<v Speaker 1>the caffeine will drive the animal away. Another interesting idea

0:43:49.600 --> 0:43:52.640
<v Speaker 1>that Zimmer races in this article is that caffeine in

0:43:52.800 --> 0:43:57.279
<v Speaker 1>coffee plants is suspected to work also by inhibiting the

0:43:57.360 --> 0:44:02.040
<v Speaker 1>growth and germination of other plants. He writes that when

0:44:02.040 --> 0:44:05.680
<v Speaker 1>coffee leaves die and fall off of a coffee plant,

0:44:05.680 --> 0:44:09.080
<v Speaker 1>they fall down to the soil below, the caffeine content

0:44:09.280 --> 0:44:12.840
<v Speaker 1>seeps into the earth and interferes with the ability of

0:44:12.920 --> 0:44:16.040
<v Speaker 1>other plant species in the soil nearby to germinate. So

0:44:16.120 --> 0:44:20.040
<v Speaker 1>this helps limit competition for soil resources and sunlight in

0:44:20.080 --> 0:44:24.000
<v Speaker 1>the area. Now, I didn't find anything specifically about whether

0:44:24.080 --> 0:44:26.040
<v Speaker 1>or not that's true with tea plants as well, but

0:44:26.120 --> 0:44:28.680
<v Speaker 1>it could also be the case if if it works

0:44:28.680 --> 0:44:31.600
<v Speaker 1>for the coffee plant. But one thing where I did

0:44:31.680 --> 0:44:35.680
<v Speaker 1>find a parallel between how they think caffeine is working

0:44:35.680 --> 0:44:39.319
<v Speaker 1>in coffee plants and tea plants is its role in pollination.

0:44:39.560 --> 0:44:42.200
<v Speaker 1>I thought this was the most interesting of all. So

0:44:42.239 --> 0:44:45.720
<v Speaker 1>in addition to deterring insect or animal predation and perhaps

0:44:45.800 --> 0:44:50.600
<v Speaker 1>limiting competition from nearby plants, UH, the psychoactive and drug

0:44:50.680 --> 0:44:55.280
<v Speaker 1>like properties of caffeine on animals might be not only

0:44:55.360 --> 0:45:00.360
<v Speaker 1>an unintended byproduct or side effect of their physical logical

0:45:00.360 --> 0:45:03.760
<v Speaker 1>activity as a deterrent, they might actually be in part

0:45:03.880 --> 0:45:06.279
<v Speaker 1>the point of the compound, or at least one of

0:45:06.320 --> 0:45:09.000
<v Speaker 1>the points of the compound, and it would work like this.

0:45:09.080 --> 0:45:13.839
<v Speaker 1>So coffee and flowering plants that produce caffeine in their

0:45:13.920 --> 0:45:19.839
<v Speaker 1>leaves also produce lower doses of caffeine in their nectar. Now,

0:45:19.880 --> 0:45:24.160
<v Speaker 1>plants make nectar as a food for insects as an

0:45:24.200 --> 0:45:28.399
<v Speaker 1>incentive for insects to spread their pollen. You know, So

0:45:28.560 --> 0:45:31.479
<v Speaker 1>the insect gets sugar from the plant, it gets a meal,

0:45:31.840 --> 0:45:35.640
<v Speaker 1>and the plant gets helped with reproduction and dispersal when returning,

0:45:35.680 --> 0:45:39.080
<v Speaker 1>gets help spreading its genetic material. Now here's the really

0:45:39.120 --> 0:45:43.319
<v Speaker 1>interesting thing. Research has shown that when insects feed on

0:45:43.480 --> 0:45:47.799
<v Speaker 1>plant nectar containing low doses of caffeine, they seem to

0:45:47.880 --> 0:45:52.280
<v Speaker 1>become more disposed to remember the scent of the flower

0:45:52.400 --> 0:45:56.319
<v Speaker 1>where they consumed that nectar, and researchers believe this may

0:45:56.400 --> 0:45:59.920
<v Speaker 1>cause the insect to return to that flower more off

0:46:00.040 --> 0:46:04.759
<v Speaker 1>fen and thus spread its pollen more effectively. So maybe

0:46:04.800 --> 0:46:07.520
<v Speaker 1>out of just one compound there is one molecule that

0:46:07.560 --> 0:46:10.640
<v Speaker 1>the plant creates, it can be getting multiple completely different

0:46:10.640 --> 0:46:13.440
<v Speaker 1>effects depending on the dosage in the different part of

0:46:13.440 --> 0:46:17.120
<v Speaker 1>the plant. So maybe higher levels in the leaves will

0:46:17.280 --> 0:46:21.080
<v Speaker 1>deter insects from trying to eat the leaves, but lower

0:46:21.160 --> 0:46:23.319
<v Speaker 1>levels in the nectar will be more like a cup

0:46:23.360 --> 0:46:26.719
<v Speaker 1>of coffee for the insects, which kind of like boosts

0:46:26.800 --> 0:46:31.000
<v Speaker 1>the insects memory and allows it to return to the

0:46:31.080 --> 0:46:35.080
<v Speaker 1>same plant more frequently and spread that plant's genetic material

0:46:35.640 --> 0:46:38.960
<v Speaker 1>toxic and high concentration, but beneficial to some types of

0:46:39.000 --> 0:46:42.360
<v Speaker 1>brain function at lower doses. Uh. And it's funny that

0:46:42.520 --> 0:46:44.719
<v Speaker 1>caffeine has the same dual effect on humans. I mean,

0:46:44.719 --> 0:46:46.560
<v Speaker 1>if you have too much of it, it will kill you.

0:46:46.600 --> 0:46:49.040
<v Speaker 1>But if you have these low doses of it that

0:46:49.120 --> 0:46:52.320
<v Speaker 1>people consume in beverages and stuff, people use it directly

0:46:52.360 --> 0:46:56.120
<v Speaker 1>as a stimulant to improve their brain function. Yeah. I mean,

0:46:56.120 --> 0:46:59.359
<v Speaker 1>coming back to Shino the mythical um story here, it's

0:46:59.440 --> 0:47:04.480
<v Speaker 1>basically a uh an individual god figuring out to what

0:47:04.640 --> 0:47:08.640
<v Speaker 1>degree one should consume the world of poisons around us,

0:47:09.000 --> 0:47:13.480
<v Speaker 1>like how much of this poison is appropriate for desired outcome? Um,

0:47:13.560 --> 0:47:16.360
<v Speaker 1>and in which poison should we not mess with at all? Exactly.

0:47:16.400 --> 0:47:19.400
<v Speaker 1>So I found this so interesting. But anyway, this was

0:47:19.440 --> 0:47:21.759
<v Speaker 1>all about the coffee plant. I was trying to find

0:47:22.000 --> 0:47:24.640
<v Speaker 1>is the same thing true of the tea plant? And

0:47:24.719 --> 0:47:27.160
<v Speaker 1>I did, in fact find. A study from just a

0:47:27.200 --> 0:47:29.680
<v Speaker 1>couple of years ago, was from one published in the

0:47:29.760 --> 0:47:33.280
<v Speaker 1>Journal of Insect Physiology. It was by g Win Gong

0:47:33.440 --> 0:47:37.560
<v Speaker 1>at All, and it was called Floral t polyphenols can

0:47:37.640 --> 0:47:42.640
<v Speaker 1>improve honey bee memory retention, and olfactory sensitivity. So the

0:47:42.640 --> 0:47:45.880
<v Speaker 1>background on the study is to read from their abstract quote.

0:47:46.239 --> 0:47:50.440
<v Speaker 1>Animal pollinated plants face a common problem how their defensive

0:47:50.600 --> 0:47:56.640
<v Speaker 1>anti herbivore compounds may impair or alter pollinator behavior. Evolution

0:47:56.680 --> 0:48:00.160
<v Speaker 1>has tailored multiple solutions which will largely involve pollinat or

0:48:00.280 --> 0:48:04.000
<v Speaker 1>tolerance or manipulation to the benefit of the plant, not

0:48:04.200 --> 0:48:07.520
<v Speaker 1>the removal of these compounds from pollen or nectar. The

0:48:07.640 --> 0:48:12.200
<v Speaker 1>tea plant Camillia sinensis is famous for the caffeine and

0:48:12.360 --> 0:48:17.000
<v Speaker 1>te polyphenols that it produces in its leaves. However, these

0:48:17.040 --> 0:48:20.960
<v Speaker 1>compounds are also found in its nectar, which honeybees readily collect.

0:48:21.360 --> 0:48:23.960
<v Speaker 1>So to summarize here, the authors tested the effects of

0:48:24.000 --> 0:48:26.680
<v Speaker 1>these two different products of the tea plant, the of

0:48:26.760 --> 0:48:30.800
<v Speaker 1>the caffeine and the tea polyphenols UH, and they tested

0:48:30.840 --> 0:48:33.759
<v Speaker 1>it on the forging behavior of honeybees. And what they

0:48:33.760 --> 0:48:37.719
<v Speaker 1>say they found is that honeybees preferred simulated nectar from

0:48:37.719 --> 0:48:41.920
<v Speaker 1>a feeder when it contained te polyphenols over a control

0:48:42.040 --> 0:48:45.160
<v Speaker 1>feeder that did not contain them. And they also found

0:48:45.200 --> 0:48:47.960
<v Speaker 1>that bees that were fed on a feeder laced with

0:48:48.040 --> 0:48:52.680
<v Speaker 1>caffeine showed small improvements in learning, Both caffeine and te

0:48:52.840 --> 0:48:58.160
<v Speaker 1>polyphenols increased memory retention and showed influences on other behaviors

0:48:58.160 --> 0:49:01.440
<v Speaker 1>as well, such as like response to alarm pheromones. So

0:49:01.560 --> 0:49:04.239
<v Speaker 1>it seems that the tea plant may well be adapted

0:49:04.280 --> 0:49:08.000
<v Speaker 1>to give pollinating insects small doses of caffeine and tea

0:49:08.080 --> 0:49:11.280
<v Speaker 1>polyphenols for a reason. It could mean, among other things,

0:49:11.320 --> 0:49:14.800
<v Speaker 1>that the pollinating insects are more likely to keep returning

0:49:14.840 --> 0:49:18.960
<v Speaker 1>to the same plant and spreading its genetic material. And

0:49:19.000 --> 0:49:21.000
<v Speaker 1>I thought this was so interesting. So if this is

0:49:21.040 --> 0:49:24.160
<v Speaker 1>in fact the case, Uh, it's it's a more complex

0:49:24.200 --> 0:49:29.520
<v Speaker 1>relationship than I usually imagine between plants and the alkaloids

0:49:29.560 --> 0:49:33.040
<v Speaker 1>that they manufacture and the animals that they target, because

0:49:33.040 --> 0:49:35.320
<v Speaker 1>I usually think of the relationship as a pretty simple

0:49:35.400 --> 0:49:39.080
<v Speaker 1>one way interaction, like the the plant alkaloid causes some

0:49:39.160 --> 0:49:43.000
<v Speaker 1>kind of negative physiological response or reaction in the animal,

0:49:43.360 --> 0:49:46.280
<v Speaker 1>and then the animal is deterred from eating the plant again,

0:49:46.800 --> 0:49:50.920
<v Speaker 1>or the animal is driven to evolve like gustatory receptors

0:49:51.000 --> 0:49:54.239
<v Speaker 1>or taste that make the plant taste nasty from the

0:49:54.280 --> 0:49:57.200
<v Speaker 1>first spite, because you know, it's ancestors that didn't have

0:49:57.280 --> 0:50:00.799
<v Speaker 1>that may have died. But this is a more complex

0:50:00.840 --> 0:50:03.480
<v Speaker 1>implied relationship. I don't know exactly what to compare it to.

0:50:03.560 --> 0:50:06.480
<v Speaker 1>I mean, it's almost like the cultivating of an of

0:50:06.480 --> 0:50:09.799
<v Speaker 1>an analog of an addiction, but one with UH. I

0:50:09.840 --> 0:50:12.480
<v Speaker 1>don't know. Survival benefits for the bee as well, because

0:50:12.480 --> 0:50:15.480
<v Speaker 1>it allows them to keep returning to a food source.

0:50:15.840 --> 0:50:18.359
<v Speaker 1>So before we we got into all this year, I,

0:50:18.360 --> 0:50:19.880
<v Speaker 1>if I were put to the test, I would have

0:50:19.920 --> 0:50:23.440
<v Speaker 1>just said, well, caffeine implants is just about keeping some

0:50:23.480 --> 0:50:26.919
<v Speaker 1>things from eating them, and we've managed to manipulate that

0:50:27.000 --> 0:50:29.920
<v Speaker 1>situation for our own benefit. But yeah, it sounds like

0:50:29.920 --> 0:50:32.799
<v Speaker 1>the reality is a lot more complicated. Of course, you

0:50:32.800 --> 0:50:37.080
<v Speaker 1>can't really think about purpose and design and desire in

0:50:37.120 --> 0:50:39.560
<v Speaker 1>the literal sense when it comes to the evolution of

0:50:39.640 --> 0:50:43.480
<v Speaker 1>something like this in various plants species. But I am

0:50:43.560 --> 0:50:47.360
<v Speaker 1>kind of reminded of how some products in the human

0:50:47.360 --> 0:50:50.200
<v Speaker 1>world will end up with more than one purpose, Like,

0:50:50.280 --> 0:50:52.880
<v Speaker 1>for instance, I think of bag bomb. Have you ever

0:50:53.080 --> 0:50:55.560
<v Speaker 1>used bag bomb or seen a container bag bomb? I

0:50:55.600 --> 0:50:59.400
<v Speaker 1>don't think so. Explain it's like a little greenkin and uh,

0:50:59.600 --> 0:51:02.680
<v Speaker 1>I believe it dates back to her about eight and

0:51:02.760 --> 0:51:06.120
<v Speaker 1>it was it's a salve to put on cow's utters

0:51:06.160 --> 0:51:10.600
<v Speaker 1>after milking. But people started using it because they realized that, hey,

0:51:10.640 --> 0:51:13.799
<v Speaker 1>you can put this on dry cracked skin, and so uh.

0:51:14.239 --> 0:51:16.000
<v Speaker 1>I It's one of these things where it ended up

0:51:16.040 --> 0:51:19.359
<v Speaker 1>being there's this whole additional application of the product, an

0:51:19.520 --> 0:51:23.560
<v Speaker 1>entire different consumer base that kind of spraying out of it.

0:51:23.560 --> 0:51:26.680
<v Speaker 1>It's more complicated, obviously with the case with caffeine and plants,

0:51:26.680 --> 0:51:29.799
<v Speaker 1>but it's almost it almost feels like that where there

0:51:29.840 --> 0:51:33.319
<v Speaker 1>may be one purpose that's kind of driving, uh, the

0:51:33.360 --> 0:51:35.960
<v Speaker 1>evolution of this, but then this other use, this other

0:51:36.040 --> 0:51:40.960
<v Speaker 1>way that it can enhance the survivability of of the plant,

0:51:41.400 --> 0:51:44.279
<v Speaker 1>uh emerges as well, and so you have the sort

0:51:44.280 --> 0:51:47.239
<v Speaker 1>of dual forces driving it at that point. Oh yeah.

0:51:47.440 --> 0:51:52.239
<v Speaker 1>Evolution loves to repurpose pre existing morphology. Is so like

0:51:52.280 --> 0:51:56.160
<v Speaker 1>a structure or a chemical capacity, or something that evolved

0:51:56.200 --> 0:51:59.719
<v Speaker 1>initially for one reason can always be repurposed when a

0:51:59.760 --> 0:52:03.719
<v Speaker 1>new opportunity presents itself. Yeah. And I don't know specifically

0:52:03.719 --> 0:52:05.800
<v Speaker 1>what the order would have been in any of these cases,

0:52:05.920 --> 0:52:09.080
<v Speaker 1>whether you're talking about coffee plants or tea plants, but

0:52:09.160 --> 0:52:12.800
<v Speaker 1>you can imagine a compound Initially there is evolutionary pressure

0:52:12.880 --> 0:52:16.040
<v Speaker 1>favoring the enzymes to produce that compound because it I

0:52:16.080 --> 0:52:19.000
<v Speaker 1>don't know, because it deters predation by animals, or because

0:52:19.040 --> 0:52:21.960
<v Speaker 1>it limits competition when the leaves fall into the soil.

0:52:22.320 --> 0:52:25.560
<v Speaker 1>And then later something like this relationship with pollinators emerges

0:52:25.680 --> 0:52:29.320
<v Speaker 1>using the same compound, and then eventually this relationship with

0:52:29.320 --> 0:52:33.080
<v Speaker 1>with human beings who start cultivating it. So it's it's

0:52:33.120 --> 0:52:36.480
<v Speaker 1>fascinating to think about all of these relationships. All right,

0:52:36.520 --> 0:52:39.200
<v Speaker 1>we're gonna go ahead and wrap up this episode, but

0:52:39.440 --> 0:52:42.239
<v Speaker 1>we'll be back in the next episode with more discussion

0:52:42.360 --> 0:52:45.120
<v Speaker 1>of tea. In the meantime, of course, we'd love to

0:52:45.120 --> 0:52:47.400
<v Speaker 1>hear from everyone out there. You might be thinking to yourself, well,

0:52:47.520 --> 0:52:49.919
<v Speaker 1>I have some tidbit I want to share about tea.

0:52:49.960 --> 0:52:52.360
<v Speaker 1>But but surely Robert and Joe don't want to hear it. No,

0:52:52.480 --> 0:52:54.640
<v Speaker 1>we want to hear it. Right in. We want to

0:52:54.640 --> 0:52:59.160
<v Speaker 1>know about your individual or cultural uh differences and um

0:52:59.320 --> 0:53:02.719
<v Speaker 1>and and app tied for tea. If there there other

0:53:02.840 --> 0:53:05.800
<v Speaker 1>myths or legends or folk tales that you've heard about

0:53:06.280 --> 0:53:09.080
<v Speaker 1>about the origins of tea. Right in, we would love

0:53:09.080 --> 0:53:11.400
<v Speaker 1>to hear from you. In the meantime, we'll remind you

0:53:11.520 --> 0:53:14.720
<v Speaker 1>that stuff to blow your Mind is primarily a science podcast,

0:53:14.760 --> 0:53:17.560
<v Speaker 1>with core episodes on Tuesdays and Thursdays. On Monday's we

0:53:17.640 --> 0:53:20.760
<v Speaker 1>do listener mail. That's uh, That's when we will read

0:53:20.800 --> 0:53:24.040
<v Speaker 1>the messages that come in about these episodes. On Wednesday's

0:53:24.040 --> 0:53:26.280
<v Speaker 1>we do a short form artifact or monster fact episode,

0:53:26.400 --> 0:53:29.480
<v Speaker 1>and then on Friday's It's Weird How Cinema Time. That's

0:53:29.480 --> 0:53:31.960
<v Speaker 1>when we set aside most serious concerns and just talk

0:53:32.000 --> 0:53:35.240
<v Speaker 1>about a strange film. Huge thanks to our audio producer

0:53:35.360 --> 0:53:37.680
<v Speaker 1>J J. Pauseway. If you would like to get in

0:53:37.760 --> 0:53:40.279
<v Speaker 1>touch with us with feedback on this episode or any other,

0:53:40.320 --> 0:53:42.600
<v Speaker 1>to suggest a topic for the future, or just to

0:53:42.640 --> 0:53:45.480
<v Speaker 1>say hello, you can email us at contact at stuff

0:53:45.520 --> 0:53:55.759
<v Speaker 1>to Blow your Mind dot com. Stuff to Blow your Mind.

0:53:55.800 --> 0:53:58.520
<v Speaker 1>It's production of I Heart Radio. For more podcasts for

0:53:58.600 --> 0:54:01.759
<v Speaker 1>my Heart Radio, I Heart Radio app, Apple Podcasts, or

0:54:01.800 --> 0:54:16.080
<v Speaker 1>wherever you're listening to your favorite shows.