Grape Seed Extract

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Botanical name: Vitis vinifera L. Parts used: Seeds Properties & tastes: Red-brown, light aromatic, astrigent Active compounds: Oligomeric proanthocyanidins (OPCs), Grapenol etc. Extract method: By hydro-alcohol extraction. Specification: Proanthocyanide：≥95% Moisture：≤5% Ash：≤ 2% Solvent：≤0.01% Heavy Metals：≤10ppm As：≤1ppm Pesticides residue：Absent Appearance :White powder Sodium hyaluronate (dry basis):95%-105% Molecular weight:0.5-0.8 MDa Loss on drying:≤10% Protein content:≤0.1% Nucleic acid (A260,0.33%,1CM):≤0.5% Appearance of 0.33% solution:clear PH of 0.5% aqueous solution:5.0-8.5 Heavy metal（iron）:≤80ppm Chlorides :≤0.5% Total microbial count :≤100CFU/g Content of residual isopropanol:≤0.5% Kinematic viscosity :≥6000mpa

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Wuhan hezhong chemical manufature Co.,Ltd

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