Chinese green teas with theanine?

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May 29th 16 6:17 pm
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Chinese green teas with theanine?

by Groucho » May 29th 16 6:17 pm

It's my understanding that the highest levels of theanine in green teas comes from being shade grown. I've read that, among Chinese green teas, Lu Shan Yun Wu is one of the ones that I'd write high in theanine. Is this true? Are there any other Chinese green teas that are as high or higher (on average) than LSYW?

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May 30th 16 5:49 am
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Re: Chinese green teas with theanine?

by Groucho » May 30th 16 5:49 am

I just read that the higher quality Long Jing have a high level of theanine, too.

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Jun 3rd 16 3:19 pm
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Re: Chinese green teas with theanine?

by beforewisdom » Jun 3rd 16 3:19 pm

So much about tea is lore. Has anyone ever analysed these teas in labs and come up with metrics for theanine content?

Jun 3rd 16 4:35 pm
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Re: Chinese green teas with theanine?

by daidokorocha » Jun 3rd 16 4:35 pm

Not sure if they have, but in Japan a new water was released spiked with theanine for bedtime.

Jun 4th 16 2:07 am
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Re: Chinese green teas with theanine?

by beforewisdom » Jun 4th 16 2:07 am

You can go to any health food store and find theanine capsules. Be careful, they are very strong.

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Jun 4th 16 11:05 am
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Re: Chinese green teas with theanine?

by Drax » Jun 4th 16 11:05 am

beforewisdom wrote:So much about tea is lore. Has anyone ever analysed these teas in labs and come up with metrics for theanine content?
Yes, but the real question is how consistent are the levels from bush to bush, let alone year to year? Many factors influence how plants grow and product such chemicals.

Jun 4th 16 4:54 pm
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Re: Chinese green teas with theanine?

by Groucho » Jun 4th 16 4:54 pm

I thought the level of theanine is higher among the shade grown teas. While there's variations due to a plethora of other influences, I thought that those teas grown in the shade were some of the more rich in theanine.

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Jun 5th 16 9:28 am
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Re: Chinese green teas with theanine?

by Mureke » Jun 5th 16 9:28 am

I haven't seen a Japanese-Chinese comparison, but high grades tend to have double the theanine content of lower grade tea.

Apparently, it's not only shading that tends to result in a high theanine content, but also low temperature. Both shade and coldness lead to high amino acids in relation to polyphenols.

I checked some papers for this thread: http://www.teachat.com/viewtopic.php?f=6&t=19307