... is the most strong. Catechin includes below several kinds: L-EC, L-EGC,L-EGCG.L-ECG, (-)- epicatechin-3,5-digallated, eigollacatechin-3,5-di ... -gallate. among them, L-EGCG occupies 50%~60%, L-EGC 15%~20%, L ... -EGC 10%~15%, L-EC 5%~10%. Function: Green ...