... No:84650-60-2 Appearance: Green Tea Extract Powder 100% Nature and competitive prices Green Tea Extract Powder Specification: TP 50%-98%, ... EGCG 45%,90%,95%, Caffeine 20% Tea polyphenols, also known as ... polyphenols, spirit, is a class of hydroxyl compounds contained in tea, referred to as "TP, main chemical components such as ...