... , we can supply all the specifications of Green tea extract powder. 1. Polyphenols 20%, 30%, 40%, 50%, 60%, 70%, 80%, 90%, ... %, 5%, 8% HPLC All combinations for Polyphenols, Catechins, EGCG, Caffeine. For example, Polyphenols 95%+Catechins 70%+EGCG 40%+Caffeine 5% ... 0%Total Plate Count< 1,000cfu/GYeast & Mold< 100cfu/GE.Coli.NegativeSalmonellaNegative c. Equipped with the most advanced extraction unit ...