... is 3-9 times than VE, BHA&BHT.We are the leader manufacturer of plant extract in China, providing tea polyphenols with high ... , it can be widely applied in the area of medical, health food, food and commodities of everyday use, etc.4.Production FeaturesPhysical ... or transition metal materials.Safety: Without any toxic effects, content in 95% above is the medicine level.Storage condition: Keep in dry ...