... extracted from natural and carefully selected chinese green tea.The main ingredients] : tea polyphenols, caffeine, aromatic oil, moisture, minerals, ... , vitamin etc The testing method] : by HPLC Tea polyphenols have very strong Antioxidation,whose anti-oxidative capacity ... been used in many fields including toothpaste, chewing gum, diet, fat, food, medicine, cosmetics and beverages, which will ...