Egcg purity99.9% Egcg, the special active component of tea polyphonel, is a kind of catechine monomer extracted from green tea leaves. Features: white powder Specifiction: 90%, 95%, 98%, 99%, and 99.5%. Function: egcg is a high-effective and broad-spectrum biological anti-oxydant to clean free radical and peroxide which cause many diseases and decrepitude, which enables egcg to improve immunity, suspend decrepitude, contradict cancer and virus, decrease blood lipid and sugar, resist nephrasthenia and advance hairdressing. It is widely used in medicine, health protection, food, daily chemistry and others. Packing as arrangement