"Judith Miranda" writes:

Have you tried white teas such as Pai-Mu-Tan or Shou Mei? If you like the
taste, they tend to have even lower caffeine than green teas.

The idea that green and white teas have less caffeine than e.g. blacks
is a bit of folklore that no contrary evidence seems to kill, but
those with a taste for evidence might look at

http://www.holymtn.com/tea/teacaffeine.htm

As readers here have seen, there's a germ of truth in the folklore in
that caffeine's solubility is diminished by the low brewing
temperatures and short steep times people tend to use with greens.
But if you do multiple steeps you're probably going to overcome those
limiting factors.

/Lew
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Lew Perin /
http://www.panix.com/~perin/babelcarp.html