Grape Seed Extract Used extensively in Europe, it has been clinically proven to be function on more about 70diseases.In 1995, grape seed extract was as one of the most welcomed herbal extract in American. Health Benefits as follows: A growing body of scientific evidence suggests that grape seed extract, especially OPCs, possesses a broad spectrum of biological, pharmacological and chemo-protective properties against free radicals and oxidative stress. 1. Scavenges free radical, eliminate speckles 2. Enhances cardiovascular health. 3. Inhibits growth and formation of certain types of cancer. 4. Improves visual performance in humans. 5. Reduces symptoms of premenstrual syndrome. 6. Rreduces symptoms in gastric ulcers. 7. Protects cells against drug, chemical and environmental pollutants toxicity. 8. Reduce aging and loss of elasticity in skin etc. Specification: Latin Name: Vitis vinifera L Appearance: Reddish-brown fine powder Used Part: Dried Seed Active Ingredients: Proanthocyanidins95%-30%(OPC)UV Polyphenols95%-40%GAE OPCs>=70%-40% HPLC Powder Size: 80 mesh Loss on Drying: <5.0% Ash: < 2.0% Heavy metals: <10ppm Atomic Absorption Arsenic:<0.5ppm Lead:< 0.5ppm Hg:<0.3ppm Solvent residue:< 0.05% Ethyl acetate: ??000ppm Acetone: ??000ppm n-Butanol: ??5000ppm Choloroform: ??60ppm Toluene: ??890ppm Ethanol: ??000ppm Microbiological Control: Total plate count: ??000CFU/g E. Coil: Negative Salmonella: Negative Yeast & Mold:< 100CFU/gm Storage: Stored in a well-closed container away from moisture. Packing: Packed in paper drum & plastic-bags inside. Net Weight: 25kg/grum Shelf Life : Validity Duration:2 years, in tight, light-resistant, cool and dry place.