Grape Seed Extract
| Product Name | Grape Seed Extract |
|---|---|
| CAS Number | 84929-27-1 |
| Botanical Name | Vitis vinifera L. |
| Appearance | Reddish-brown to purple fine powder |
| Active Component | Proanthocyanidins (OPC) |
| Assay | 95% Proanthocyanidins (UV-Vis) |
| Extract Ratio | 20:1, 30:1 |
| Loss on Drying | ≤5.0% |
| Heavy Metals | ≤10 ppm |
| Package | 25 kg fiber drum with double polyethylene liners |
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Synonyms: Grape seed extract, Vitis vinifera extract, OPC, Proanthocyanidin extract, Grape seed P.E., GSE
Grape Seed Extract is a standardized concentrate derived from the seeds of Vitis vinifera L., a byproduct of the wine and juice industry. It is standardized to 95% proanthocyanidins (OPC), a class of polyphenolic flavonoids known for their potent antioxidant activity. The extract is available in food-grade and pharmaceutical-grade qualities.
With growing demand for natural antioxidants in supplements, functional foods, and cosmetics, Grape Seed Extract has become a key ingredient. Its broad spectrum of health benefits and excellent safety profile make it a preferred choice for formulators targeting cardiovascular, skin, and cognitive health.
| Parameter | Specification |
|---|---|
| Assay (Proanthocyanidins) | 95% (UV-Vis) |
| Appearance | Reddish-brown fine powder |
| Loss on Drying | ≤5.0% |
| Heavy Metals | ≤10 ppm |
| Total Plate Count | ≤1000 CFU/g |
| Extract Ratio | 20:1 to 30:1 |
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