... tea polyphenols, caffeine, aromatic oil, moisture, minerals, pigment, carbohydrate, protein and amino acid, vitamin etc The testing method] : by HPLC Tea ... used in many fields including toothpaste, chewing gum, diet, fat, food, medicine, cosmetics and beverages, which will have broad application prospects ... help prevent heart disease 8) helps stop dental decay and gum disease 9) helps with bad breath