"Brent" > wrote in message
...
> > Another thing is that the 69% at 5 minutes is artificially low because
they
> > included herbal tisanes in the overall average. From the abstract
athttp://cat.inist.fr/?aModele=afficheN&cpsidt=2477703:
> >
> > "In this study, methylxanthine (caffeine, theobromine, and theophylline)
> > contents in three brews of four types of tea (black, oolong, green, and
> > herbal) in both bags and loose leaf forms were investigated to determine
the
> > actual amount of methylxanthines present in tea as a function of
different
> > brewing methods...Caffeine and theobromine were not detected in either
> > herbal tea samples, and theophylline was not detected in any tea tested.
The
> > overall average caffeine released in the first through third brews were
69%,
> > 23%, and 8%, respectively."
>
> Actually, they did not include herbals in those percentages. The teas
> used to calculate those averages are Lipton black tea bag, loose black
> leaves, two loose Formosa oolongs, Lipton green tea bag, and loose
> green leaves.

Ok. I was misled by the abstract.

--
~~Bluesea~~
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