... main component is catchin compound, is a natural anti-oxidant with excellent anti-oxidation, which is ... 3-9 times than VE, BHA&BHT. We are the leader manufacturer ... And our tea polyphenols extract has three forms: powder, pellet, capsule. And we also can make ... . 4.Production FeaturesPhysical property of tea polyphenols powder: Powder in green or light yellow, easy dissolving in ...