Overview
Grape Seed Extract (CAS 84929-27-1 ) is a concentrated botanical extract derived from the seeds of Vitis vinifera grapes. It delivers a high load of polyphenolic compounds that function as antioxidants and natural preservatives.
These compounds, primarily oligomeric proanthocyanidins, act as flavor-modifying agents across food, pharmaceutical, and cosmetic manufacturing. In food and beverage production, it extends shelf life in oils and meat products.
By inhibiting oxidative degradation without synthetic additives, it is ideal for functional foods. Nutraceutical and dietary supplement manufacturers incorporate it into capsules, tablets, and softgels targeting antioxidant-positioned products.
In personal care formulations, it acts as an oxidative stabilizer in creams, serums, and hair care products. This is particularly useful where lipid rancidity is a primary formulation concern for high-end cosmetic brands.
Feed and agricultural applications use this extract as a natural preservative and palatability enhancer in animal nutrition products. It is supplied primarily as a fine powder or spray-dried extract for industrial use.
Standardized proanthocyanidin content typically ranges from 95% OPC to lower-standardized food-grade specifications. Food-grade and pharmaceutical-grade designations are the most commercially relevant for global B2B procurement.
Some suppliers offer material that is USP -aligned or FCC -compliant to meet strict regulatory requirements. Bulk quantities are available in fiber drums or multi-layer bags suited for large industrial volumes.
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Physical Properties
| Density | 0.961g/cm3 at 20℃ |
| Color | Brown to reddish brown |
| Form | Solid:particulate/powder |
| Vapor Pressure | 0.003Pa at 60℃ |
| Log P | 6.5 at 25℃ and pH5-6 |
Safety & Handling
Warning GHS02 Hazard Statements H226 Flammable liquid and vapor Precautionary Statements P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P233 Keep container tightly closed. P240 Ground and bond container and receiving equipment. P241 Use explosion-proof [electrical/ventilating/lighting/…] equipment. P242 Use non-sparking tools. P243 Take action to prevent static discharges. P280 Wear protective gloves/protective clothing/eye protection/face protection. P501 Dispose of contents/container in accordance with local regulations. P370+P378 Use … for extinction. P403+P235 Store in a well-ventilated place. Keep cool. P303+P361+P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower.
Other Names
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Chemical Properties
- CAS Number
- 84929-27-1
- EC Number
- 284-511-6
- Mol. Weight
- 590.6
- Category
- Vitamins & Nutrients