Re:L-theanine, a constituent in tea, and its effect on menta...
by n4r9 on Tuesday July 31, 2018 @05:15AM
(#17651667)
It's both the water and the fluoride content of the tea leaves, although the tea leaves are the main contributor. The first table in the paper shows this.
Edit: spelling and comprehension corrected; pre-tea morning fog.
Edit: spelling and comprehension corrected; pre-tea morning fog.