... :Camellia sinensis O. KtzeUsed Part: Tea Leaf Active Ingredients:Green Tea Polyphenols, caffeine, theaflavin, EGCGOur Specification: 1. Green Tea Polyphenols 20%-98% HPLC 2. Caffeine ... , good price and high quality Green tea extract, Green tea extract powder, Green tea leaf extract, Green Tea Polyphenols, caffeine, theaflavin, EGCG made in China ...