Vankatesh, P.; Jaiprakash, M.; Prasad, P.; Pilia, B.; Sadhale, P.P.; Sinka, V.P.; Jain, N.K.
(International Society of Tea Science (ISTS), 2007)
Tea leaf contains very high level of polyphenols, mostly flavonoids, which distinguishes it from other plants. These flavonoids and their oxidative products formed during fermentation and drying, largely determine the color ...