【Product Name】 Grape Seed Extract 
 【English name】 Grape Seed Extract 
 [Source] products Vitaceae grape (Vitis vinifera L.) seeds. 
 [Active ingredient] proanthocyanidins 
 [CAS No. 84929-27-1] 
 [Formula] C30H12O6 
 【Molecular Weight】 468.42 
 [Product Specification] 95% proanthocyanidins 
 【Appearance】 brown powder 
 [] UV detection method 
 [] Physical and chemical properties of water and soluble in most organic solvents. Anti-free radical oxidation is 50 times more vitamin E, vitamin C 20 times. 
 Pharmacological effects grape seed extract and procyanidins main active ingredient is a low molecular weight, it is a powerful antioxidant, free radical clearly an effective agent; is a natural sun shelter, the skin can block UV rays; procyanidins to repair the injured collagen and elastic fibers, with convergence, tighten the skin, prevent early appearance of wrinkles, long-term use can make the skin smooth, rich disease risk. 
 Flexible, with the role of beauty; can reduce heart disease, cancer, premature aging, arthritis, hypertension, Alzheimer's, eye cataracts and other degenerative symptoms of spots and the hair at the 
 【Packing】 according to customer requirements or to use double plastic bags inside, topical aluminum foil bags, 1 kg / bag or cardboard drum (25 kg / barrel) 
 [Save] a cool, dry products, dark, avoiding high temperature 
 [Two-year shelf life]