50-1000g Catechin (egcg) ,theaflavin

Product Description :100% Organic Catechin (EGCG) Powder,Natrual Green Leaves Extract Powder,TheaflavinCatechin, also known as catechin and caredhieacid, is a phenolic active substance extracted from natural plants such as tea. Its molecular formula is c15h14o6 and its relative molecular weight is 290.28. Catechins in tea can be divided into three free forms (catechin, C; epicatechin, EC and epicaglocatechin, EGC) and two esterified gallic acids (epicatechin gallate, ECG and epicaglocatechin gallate, EGCG), and the latter (ECG and EGCG) has a large content.