Tea polyphenol 98% Tea polyphenols is a kind of pure natural compound extracted from tea leaves, that has an excellent anti-oxidation to oil materials and a good natural replacement to compound food. A great amount of clinic study and application both of home and abroad shows that tea polyphenols is a kind of high effective free radical eliminating element. It has the function of improving cardio-cerebral disease, reducing blood sugar and blood-lipid, anti-virus, antiirritability, and antitumor and cancer obviously. Physical property : powder in light yellow or light tea color or tea brown, easy dissolving in water or in ethanol. Stability : stahle in ph 4-8, easy degenerative if touching strong acid, strong alkali, lighting in sun shining, over heating, or transition metal materials. Safety: without any toxic effects. Content in 95% above is the medicine level. Storing condition: keep in dry, clean, cool, and ventilating place Shelf time: quality guarantee term is one year under seal condition, accompanied by qualified storing and transporting condition with complete package. 25kg/barrel