Tea polyphenols are chemical compounds such as flavanoids and tannins found naturally in tea. Tea polyphenols has antioxidant and anti-aging, fall hematic fat and a series of good pharmacological functions. It used in animal and plant oil, aquatic products, beverage, candy, dairy products, Fried food, spices, cosmetics, functional food antioxidant, antisepsis, protecting color, protecting the vitamin, eliminate peculiar smell widely, improve the food flavor, etc.