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> Everytime I read steeping recommandations for green teas, they don't = > make
> sense. They seem highly illogical to me. Here's how I understand it : >
> Tannins, astringent substances present in tea leaves, are disolved into
> water. The quantity released depends on steeping time, water =
> temperature,
> and the variety of tea.
>
> If you brew a green tea for too long, in a too hot water, it will taste = > bad
> because to much tannins are released, in proportion to other desired
> subtances. The desired substance are released much faster than the = > unwanted
> tannins. Therefore, most green teas acheive a peak in "good tasting"
> chemicals, without releasing too much "bad tasting" tannins, in less = > than
> 120 seconds.
>
>
> concentration
> +
> + g g t t
> + g t g t
> + g t g t
> + g t g t
> + g t g t
> +++++++++120s++++++++240s++++++++360s+++++++>time
>
>
> [t]annin [g]ood tasting substances
>
>
> Where it gets illogical is where I read "a green tea can be steeped = > several
> times". Multiple infusions seem to have a magical reset effect on = > relative
> concentrations. I would have taught that eventually all the "tasty"
> subtances will be extracted and overpowered with remaining tannins. For = > me,
> the last of three 2 minutes infusions should be at least as bad as a = > single
> 4 minutes infusion.
>
> Why am I wrong?
The difference between theory and practice is that in theory, there is no difference, but in practice, there is.
I am by no means an expert in either chemistry or paranormal superstitions, but what probably happens here is that in good teas, celestial fragrances from heaven dimension get transported to your cup by astral entities. The distance is infinite, but they're quick as a thought - still, it takes a minute or two for them to fetch the fragrance and sprinkle it in your cup.
This theory still does not explain what happens with the tannins, so you can safely ignore it. I am lucky not to be an expert - if I were, my reputation could be tainted.
- Andrei
P.S. You're wrong because you don't know what *really* happens. HTH
>
> Julie C.
>
>