1. Grapevine Extract – Bulk Supplier & Customized Herbal Ingredient for Nutraceuticals, Cosmetics & Functional Beverages
AIHerba® offers premium Grapevine Extract (Vitis vinifera L.), a high-purity botanical ingredient derived from grape leaves and seeds, rich in polyphenols, proanthocyanidins (OPCs), and resveratrol. As a GMP-certified natural plant extract manufacturer and exporter in Shaanxi, China, we supply bulk quantities for cosmetics, dietary supplements, functional beverages, and pharmaceutical formulations. Our production leverages advanced water-ethanol extraction and supercritical CO₂ technology to maintain maximum bioactivity and purity. With over 28 years of R&D and extraction experience, AIHerba® provides OEM & ODM services, including tailored active content, granulation, and private label solutions. Buyers can rely on consistent quality, full COA documentation, and fast global delivery, making AIHerba® a trusted partner for professional herbal extract sourcing.
2. Product Overview
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Botanical Name: Vitis vinifera L.
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Plant Part Used: Leaves / Seeds
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Active Compounds: Polyphenols ≥80% (UV), Proanthocyanidins ≥95% (HPLC), Resveratrol
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Appearance: Fine brown-red powder
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Extraction Method: Water-ethanol extraction → Concentration → Filtration → Spray drying
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Solvent: Food-grade ethanol
Technical Highlights:
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High antioxidant potential and stability
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Batch-to-batch consistency verified by COA
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Traceable raw materials from non-GMO grapevines
3. Mechanism of Action & Functional Benefits
| Health Area | Functional Role | Mechanism (Scientific Basis) |
|---|---|---|
| Skin Health | Supports collagen and elastin integrity | Antioxidant & anti-glycation activity |
| Cardiovascular Support | Promotes healthy blood circulation | Reduces LDL oxidation, supports vascular function |
| Cognitive Support | Supports focus and microcirculation | Enhances cerebral blood flow via OPCs |
| Oral & Eye Care | Strengthens capillaries | OPC-mediated microvascular support |
| Anti-inflammatory | Modulates oxidative stress | NF-κB pathway modulation |
Note: Content focuses on ingredient functionality and scientific mechanisms without making medical claims, avoiding YMYL risks.
4. Applications & Recommended Formulations
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Cosmetics & Skincare: Anti-aging serums, brightening creams, sunscreen boosters
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Dietary Supplements: Capsules, tablets, powders for antioxidant support
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Functional Beverages: Polyphenol-enriched drinks, energy blends
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Pharmaceutical & Nutraceutical Industry: Supportive ingredient for functional formulations
Recommended Dosage Guidelines:
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Dietary Supplements: 100–300 mg/day
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Cosmetic Formulations: 0.1–2% concentration
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Synergistic Pairings: Vitamin C, Resveratrol, Green Tea Extract, Coenzyme Q10
5. Product Specifications & COA
| Category | Item | Specification | Test Method |
|---|---|---|---|
| Physical | Appearance | Brownish-red fine powder | Visual |
| Odor & Taste | Characteristic | Organoleptic | |
| Loss on Drying | ≤5.0% | USP <731> | |
| Active Ingredients | Polyphenols | ≥80.0% | UV |
| Proanthocyanidins | ≥95.0% | HPLC |
Heavy Metals
| Name | Limit | Method |
|---|---|---|
| Lead (Pb) | ≤3.0 ppm | ICP-MS |
| Arsenic (As) | ≤2.0 ppm | ICP-MS |
| Cadmium (Cd) | ≤1.0 ppm | ICP-MS |
| Mercury (Hg) | ≤0.1 ppm | ICP-MS |
Pesticide Residues
| Name | Limit | Method |
|---|---|---|
| Organochlorine | ≤0.01 mg/kg | GC-MS |
| Organophosphorus | ≤0.01 mg/kg | GC-MS |
Microbiology
| Test | Limit | Method |
|---|---|---|
| Total Plate Count | ≤1,000 cfu/g | USP <2021> |
| Yeast & Mold | ≤100 cfu/g | USP <2021> |
| E. coli | Negative | USP <2022> |
| Salmonella | Negative | USP <2022> |
6. Production Process
Workflow:
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Raw Material Selection (Non-GMO Grapevine)
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Cleaning & Drying
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Water-Ethanol Extraction
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Filtration & Concentration
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Spray Drying / Vacuum Drying
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Milling & Sieving
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Quality Testing (COA, Heavy Metals, Microbiology)
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Packaging & Storage
Technology Used: Supercritical CO₂ extraction, water-ethanol extraction; ensures bioactive compound preservation and batch consistency.
7. Storage, Shelf Life & Packaging
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Storage: Cool, dry, ventilated, away from sunlight
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Shelf Life: 24 months (unopened)
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Packaging: 1 kg aluminum foil bag / 25 kg drum
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MOQ: 1 kg (Free sample available)
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Shipping: Air or sea, full export documentation & COA
8. Clinical Data & Research References
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Bagchi D. et al. “Protective Effects of Grape Seed Proanthocyanidin Extract on Oxidative Stress.” Free Radic Biol Med, 2000. PubMed
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Nassiri-Asl M. “Antioxidant and Anti-inflammatory Properties of Grape Polyphenols.” Phytother Res., 2018. NIH
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FDA GRAS Notice: Grape Seed Extract as a Food Ingredient, 2018. FDA
Supports ingredient functionality insights without making medical claims.
9. Industry Applications & Use Cases
Example 1 – Cosmetic Formulation
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Anti-aging serum with 1% grapevine extract
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Enhances antioxidant profile; compatible with vitamin C & hyaluronic acid
Example 2 – Nutraceutical Supplement
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200 mg capsule for functional beverages and supplement blends
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Standardized polyphenols and OPCs ensure product stability and potency
Example 3 – Functional Beverage
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Polyphenol-enriched energy drink
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Combination with green tea extract and resveratrol for enhanced bioactive profile
10. Procurement & Comparative Guide
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Bulk supplier for cosmetics, nutraceuticals, functional beverages
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Tailored active content (50–98%) for OEM/ODM solutions
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Certified factory (GMP, ISO9001, HACCP, Halal, Kosher)
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Competitive pricing with traceable, high-quality supply
11. Sample Policy & Customization
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Free lab sample: 10–20 g for formulation testing
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Custom granulation, carrier systems, cosmetic-grade or food-grade adjustments
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Private label or contract manufacturing supported
12. FAQ (6 Key Questions)
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Is Grapevine Extract safe for use in dietary supplements?
Yes, fully food-grade with COA and compliance documentation. -
Can I order a small batch before bulk purchase?
Free samples are available for lab testing. -
What is the difference between grape leaf and seed extract?
Seed extract: higher OPCs; Leaf extract: higher polyphenols & quercetin. -
Does AIHerba provide custom formulations?
Yes, OEM/ODM for active content, granulation, private label. -
What industries can use Grapevine Extract?
Cosmetics, dietary supplements, functional beverages, pharmaceuticals. -
How long is the shelf life?
24 months unopened, stored in cool, dry conditions.
13. Contact & Supplier Information
AIHerba® | China Natural Plant Extracts Supplier & OEM Factory
AIHerba (Shaanxi Zhonghong Investment Technology Co., Ltd.) – GMP-certified manufacturer with 28+ years experience.
