... unique important bio-active component of tea,consisting of many sorts of ester-catechin.Several of the most active monomers are EGCG ... the free anti-cancer, anti-aging, lowering blood fat,lipoid improve immutability and the like.It is recognized by the world as the ... follows:(1)In medicine, applied to enhancing the human immubili and the treatments of leukemia, skin cancer, stomach cancer, esophageal ...