... Green tea extract powder. 1. Polyphenols 20%, 30%, 40%, 50%, 60%, 70%, 80%, 90%, 95%, 98% UV 2. Catechins 10 ... EGCG 10%, 15%, 20%, 30%, 35%, 40%, 45%, 50%, 55%, 60%, 70%, 80%, 90%, 95% HPLC 4. Caffeine 1%, 5%, ... unit, and HPLC,UV,GC,AA. We are also in cooperation with many third party LAB to control the ... is our main market, and we enjoyed a good reputation in Europe. Our heavy metals(As, Pb, Cd, Hg), ...