Tea polyphenol called green tea extract,Tea polyphenols is a natural polyphenol-compound mostly extracted from green tea.Its main component is catechins,EGCG.It has an outstanding effect on ant-oxidant and scave- nging activated free radicals.It is regarded to be good to the health,cos- metics,longevity and cancer prevention of people.The product is widelyu- sed in food,medicine,health products,cosmetics and daily chemical indus- try etc.It is a pure natural green health food additives,dietary supplements and food raw materials. Physical character:light yellow to yellow-brown or light green pow- ders with bitter taste. Safety:nontoxic. Storage:keep away from light and wind,store in cool and dry place. Speciality:no pesticide-remained,high pellucid,low solvent-remained tea extract.