I know that you have often stated how URLs are trespassing here,and
that you never follow them, but I offer you a link anyway since it
contains a very specific answer to your question.

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

It ranges from 1.7% to 4.0% depending on tea variety.

Mike
http://www.pu-erh.net



On 27 Mar 2005 13:29:07 -0800, "Space Cowboy" >
wrote:

>I just realized I have to guess at the amount of caffeine in a gram of
>tea. If there is an answer I don't know it. I think it would be a
>constant across the oxidation styles so the caffeine in a gram of
>Silver Needle would be in the ballpark of puerh making the caffeine in
>a cup a matter of brewing times and not leaf weight. This all started
>when my wife read that coffee has 200mg of caffeine in three cups of
>coffee which I assumed were 6oz each. I was drinking a mug of oolong
>at the time and I could approximate the gram weight to make the the tea
>but no clue to the caffeine level. My guess is 20mg of caffeine per
>gram of tea. I derived that from the fact I would make a 6oz cup with
>2 grams of tea for a total of 6 grams for the three cups or 120ml
>caffeine which would be about half the given amount of coffee. What
>numbers have you seen for caffeine weight versus tea weight?
>
>Jim