Description
Product Overview
Grape Seed Extract (Vitis vinifera) is a high-purity oligomeric proanthocyanidin (OPC) extract standardized to 95% proanthocyanidins (CAS 4852-22-6, by UV/HPLC), derived from grape seeds (Vitis vinifera). OPCs are among the most potent natural antioxidants, supporting cardiovascular health, collagen integrity and microcirculation. Our bulk grape seed extract is GMP-produced with 95% purity, ideal for cardiovascular and antioxidant supplements.
Botanical Profile
- Botanical Name: Vitis vinifera
- Part Used: Grape seed
- Standardization: Proanthocyanidins 95% (UV/HPLC)
- Source: GMP-certified extraction facility, Xi’an, China
Product Specifications & Quality Standard
| Parameter | Specification |
|---|---|
| Active Ingredient | Proanthocyanidins 95% (UV/HPLC) |
| Appearance | Reddish-brown fine powder |
| Part Used | Grape seed |
| Mesh Size | 80 mesh (95% pass) |
| Loss on Drying | ≤ 5.0% |
| Heavy Metals | Pb ≤ 2ppm, As ≤ 2ppm, Cd ≤ 1ppm, Hg ≤ 0.1ppm |
| Microbiology | Total plate count ≤ 1000 CFU/g, E.coli/Salmonella negative |
| Solubility | Soluble in ethanol, slightly in water |
| Storage | Cool dry place, 24 months shelf life |
Physical Characteristics
Appearance: Reddish-brown fine powder (see specification table above). Fine free-flowing powder, 80 mesh, suitable for direct encapsulation and tableting.
Key Benefits
- One of the most potent natural antioxidants (OPC)
- Supports cardiovascular and vascular health
- Supports collagen integrity and skin elasticity
- Supports healthy microcirculation
- Supports eye health and capillary strength
- 95% high-purity standardized OPC content
Main Applications
Cardiovascular capsules and tablets; antioxidant blends; skin health and beauty supplements; eye health formulas.
Recommended Usage
Typical dosage: 100-300 mg per day (95% OPC extract).
Why Choose Our Bulk Grape Seed Extract
- GMP-certified production with ISO 9001 quality system
- HPLC/UV verified active content, batch-to-batch consistency
- Full COA, MSDS and third-party heavy metal testing per batch
- HALAL, KOSHER and organic certifications available
- Flexible MOQ with global export experience to 50+ countries
- OEM/ODM support: capsules, tablets, powder sachets and custom blends
Packaging & Storage
- Packaging: 25kg/drum, double PE bags inside, aluminum foil vacuum bag optional
- Storage: Store in cool, dry, well-ventilated place away from direct sunlight
- Shelf Life: 24 months under proper storage
FAQ About Wholesale Grape Seed Extract
Q: What is OPC content?
95% proanthocyanidins by UV/HPLC, expressed as grape seed OPC.
Q: What is the CAS?
Proanthocyanidins CAS 4852-22-6.
Q: What part is used?
Grape seeds (Vitis vinifera).
Q: Do you provide COA?
Yes, per-batch COA with assay and full tests.
Q: Is it water soluble?
Slightly; ethanol-soluble. Water-dispersible grade available.
Q: What is the MOQ?
25kg per drum; samples available.
Inquiry & Cooperation
As a professional botanical extract manufacturer with 20 years of export experience, we supply high-quality Grape Seed Extract at competitive bulk prices. Contact our sales team for spec sheets, COA samples and quotations.
There are no reviews yet.