+86-731-85574748
+86-731-85574778
+86-731-85574798
No. A6-608 Lugu International Industrial Park, Yuelu District, Changsha 410205, Hunan, P.R China
English name: Grape Seed Extract
Botanical name: Vitis vinifera
Active ingredient: OPC/Polyphenols/Anthocyanin
Specification: 95%OPC/50-90%Polyphenols/12-80%Anthocyanin
Appearance: Purple red powder
Grape Seed Extract (GSE) is a high-potency antioxidant derived from Vitis vinifera seeds, containing 40-50x more polyphenols than fresh grapes. Recognized for its cardiovascular, cognitive, and anti-aging benefits, this extract has been validated in over 200 clinical studies.
Proanthocyanidins (95%) – Oligomeric compounds with 20x higher free radical scavenging than vitamin C (Journal of Medicinal Food, 2022)
Resveratrol – Synergistic anti-aging effects
Gallic Acid – Potent antimicrobial and metabolic regulator
CO2 Supercritical Extraction (Preserves heat-sensitive OPCs)
Water-Ethanol Extraction (Best for high polyphenol yield)
Product Specification:
Grape Seed Extract
| Items | Specifications | Test Methods |
| Identification
Appearance & Color Odor & Taste Mesh Size |
Positive
Fine brown red powder Characteristic NLT 90% through 80 mesh |
TLC
Visual Organoleptic 80 Mesh Screen |
| Moisture Content
Ash Content Heavy Metals Arsenic (As) Cadmium (Cd) Mercury (Hg) Lead (Pb) Extract Solvent |
NMT 5.0%
NMT 5.0% NMT 10ppm NMT 1ppm NMT 1ppm NMT 0.1ppm NMT 3ppm Grain alcohol/Water |
5g / 105℃ / 2hrs
2g / 525℃ / 3hrs Atomic Absorption Atomic Absorption Atomic Absorption Atomic Absorption Atomic Absorption / |
Reduces systolic blood pressure by 5-12 mmHg (Phytotherapy Research, 2023)
Decreases LDL oxidation by 42% vs placebo (Nutrition & Metabolism)
Improves working memory speed by 21% in healthy adults (Journal of Psychopharmacology)
Crosses blood-brain barrier to reduce amyloid plaque formation
Increases skin elasticity by 17% in 8 weeks (Journal of Cosmetic Science)
Protects against blue light damage from screens
Lowers postprandial glucose spikes by 27% (Diabetes Care)
Enhances insulin sensitivity via AMPK activation
Stimulates collagen type I synthesis for connective tissue repair (Journal of Agricultural and Food Chemistry)
| Metric | Grape Seed Extract | Green Tea Extract | Vitamin C |
|---|---|---|---|
| ORAC Value | 100,000+ | 8,000 | 1,500 |
| Bioavailability | 85% | 20% | 30% |
| Thermal Stability | Excellent | Poor | Poor |
Why Our GSE Outperforms
• Cold-processed to preserve OPC integrity
• 82% higher bioavailability than industry average
• Full transparency with batch-specific COAs
Q: Can it replace blood pressure medication?
A: No, but shows additive effects in clinical trials when combined with standard care.
Q: Safe for long-term use?
A: Yes, studied for up to 3 years continuously with excellent safety profile.
Q: Best time to take?
A: With fat-containing meals for optimal absorption.
+86-731-85574748
+86-731-85574778
+86-731-85574798
No. A6-608 Lugu International Industrial Park, Yuelu District, Changsha 410205, Hunan, P.R China
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