Tea polyphenols is natural compound extracted from tea. It is composed of more than 30 substance containing phenolic group, its chemical structure can be sorted four types: Catechin type, flavone and flavonol type, anthocyanidin and procrypsis anthocyanidin type, phenolic acid type.

Application:
Tea polyphenols extracted from tea is taken as natural antioxidant of food, it is used for grease and food containing oil, as continual intensive researching, it has been widely suitable for food, medicine, health products, chemical industry commodities. It's function as follows: Anti-oxidation, anti-aging, anti- radiation, anti-ultraviolet, reducing blood fat, reducing blood sugar, anticancer and diseases of cardiovascular resisting, remove free radical, restraining pathogen and get ride of smell.