Table of Contents
What is Grapeseed Extract Powder?
Grapeseed Extract Powder — sourced from red grape seeds and produced through a clean, solvent-free extraction process delivers one of the most potent and versatile plant-derived polyphenol ingredients available in bulk supplement and functional food markets.
The Science Behind OPCs:
Oligomeric proanthocyanidins (OPCs) are a class of condensed tannin polyphenols found in concentrated form within grape seeds. Composed of catechin and epicatechin subunits with gallic acid ester linkages, OPCs have been extensively studied for their exceptionally high antioxidant activity — demonstrated in multiple in vitro and clinical models to exceed both vitamin C and vitamin E in free radical scavenging capacity. ORGANICWAY’s extract is standardized to ≥95% OPCs — among the highest commercially available concentrations — ensuring consistent potency and precise formulation dosing.
Extraction Integrity — Solvent-Free Process:
Unlike conventional grapeseed extracts that may use hexane or acetone for polyphenol liberation, ORGANICWAY uses only water extraction or ethanol in strict adherence. This ensures a clean-label ingredient with no synthetic chemical residues — critical for finished products and clean-label supplement brands.
Key Bioactive Complex:
The extract delivers four primary bioactive fractions: OPCs (the dominant standardized polyphenol fraction at ≥95%); catechins and epicatechins (monomeric flavan-3-ols); and gallic acid (a hydroxybenzoic acid). Together, these fractions define the extract’s composition:
- Cardiovascular Category: commonly positioned in cardiovascular-support formulations
- Skin Health (Nutricosmetics): positioned in beauty-from-within formulations
- Eye Health Category: positioned in eye-health formulations
- Cognitive Health Category: positioned in cognitive-health formulations
- Functional beverages: high water solubility enables clear RTD applications without sedimentation
For topical applications, the extract’s high solubility and photostability make it a fit for serums and creams in the UV-protection and anti-aging categories at 0.5–2% formulation levels. Typical oral dosage: 100–300 mg/day; up to 600 mg/day in targeted cardiovascular protocols.
Non-GMO Project Verified, Vegan, Gluten-Free, and ISO 22000/HACCP compliant. Sample (1 kg) to bulk (25 kg+) available. Lead time: 10–20 days.
Physical & Chemical Specifications
Product Specifications
| Parameter | Specification |
|---|---|
| Common Name | Grape Seed Extract (GSE) |
| Latin Name | Vitis vinifera L. |
| Part Used | Seed |
| Source | 100% red grape seeds (non-GMO) |
| Extraction Solvent | Water or ethanol (no hexane, no acetone) |
| OPCs (Proanthocyanidins) | ≥95% (standardized) |
| Active Compounds | OPCs, catechins, epicatechins, gallic acid |
| Appearance | Fine red-brown to deep violet powder |
| Particle Size | 80–100 Mesh |
| Solubility | Highly soluble in water and hydroalcoholic solutions |
| Clarity in Solution | Clear (optimized for RTD beverages — no heavy sediment) |
| Flavor Profile | Natural astringent, tannic; balance with sweet/acidic flavors in liquid applications |
| Moisture | ≤5% (typical for vacuum-sealed storage) |
| Shelf Life | 24 months (≥95% potency retained under recommended storage) |
| Recommended Storage | Vacuum-sealed, light-protected, cool and dry |
Key Bioactive Compounds
| Compound | Role | Level |
|---|---|---|
| OPCs (Oligomeric Proanthocyanidins) | Primary standardized antioxidant fraction | ≥95% (standardized) |
| Catechins | Monomeric antioxidant compounds | Present (as part of OPC complex) |
| Epicatechins | Antioxidant compounds | Present (as part of OPC complex) |
| Gallic Acid | Synergistic antioxidant compound | Present |
Dosage Reference
| Application | Typical Dose |
|---|---|
| General antioxidant support | 100–300 mg/day |
| Targeted cardiovascular support | Up to 600 mg/day |
| Topical / cosmetic formulation | 0.5–2% (w/w) |
| Functional beverage | 50–200 mg/serving |
Microbiological & Contaminant Standards
| Test | Standard | Method |
|---|---|---|
| Total Plate Count (TPC) | <10,000 CFU/g | ISO 4833 |
| Yeast & Mold | <100 CFU/g | ISO 21527 |
| Salmonella | Not detected / 25g | ISO 6579 |
| E. coli | Not detected / 25g | ISO 16649 |
| Lead (Pb) | <0.1 ppm | ICP-MS |
| Cadmium (Cd) | <0.05 ppm | ICP-MS |
| Arsenic (As) | <0.5 ppm | ICP-MS |
| Mercury (Hg) | <0.1 ppm | ICP-MS |
| Pesticide Residues | Not detected (500+ screened) | GC-MS / LC-MS |
| Solvent Residues | Not detected (hexane, acetone) | GC headspace |
| Aflatoxin B1 | <1 ppb | ELISA / HPLC |
All batches tested at accredited third-party laboratories. Certificate of Analysis (COA) available upon request.
Certifications
| Certification | Status |
|---|---|
| Non-GMO Project Verified | Verified |
| Vegan | Certified |
| Gluten-Free | Certified |
| Allergen-Free | 14 EU major allergens absent |
| Kosher | Certified |
| Halal | Certified |
| ISO 22000 / HACCP | Compliant |
| NOP / EU Solvent Compliance | Verified (water / organic-compliant ethanol only) |
OPC content validated by UV spectrophotometry (vanillin-HCl method or equivalent). No hexane, acetone, or synthetic chemical residues per NOP/EU regulations.
Applications
Application Matrix
| Application | Suitability | Usage Level |
|---|---|---|
| Cardiovascular health supplements (capsule/tablet) | Primary | 100–600 mg/day |
| Nutricosmetic / beauty-from-within supplements | Primary | 100–300 mg/day |
| Eye health supplements | Primary | 100–300 mg/day |
| Cognitive & brain health formulas | Primary | 100–300 mg/day |
| Functional beverages (RTD, juice shots, sparkling) | Primary | 50–200 mg/serving |
| Topical serums / skincare creams | Primary | 0.5–2% (w/w) |
| Antioxidant blend / multi-ingredient powders | Primary | Per formula |
| Sports recovery / anti-oxidative stress | Secondary | 200–400 mg/day |
| Anti-aging nutraceutical stacks | Primary | 100–300 mg/day |
Formulation Tips
| Scenario | Recommendation |
|---|---|
| Maximum beauty-from-within synergy | Combine with pomegranate extract or lemon juice powder (vitamin C) |
| Flavor masking in liquid applications | Balance natural astringency with red date, berry, or citrus flavors |
| Clear RTD beverages | Fully compatible — dissolves without heavy sediment or cloudiness |
| Collagen supplement stack | Pair with vitamin C source |
| vs. Pine bark extract (Pycnogenol) | Similar OPC profile; grapeseed extract typically more cost-effective for mass-market premium supplements |
FAQ
Q: Do you use hexane or acetone in the extraction process?
A: No. As a certified ingredient, ORGANICWAY Grapeseed Extract is produced exclusively using water or ethanol. Ensuring the finished powder contains zero synthetic chemical residues. This is verified by GC headspace solvent residue testing on every batch.
Q: How does your OPC level compare to pine bark extract (Pycnogenol)?
A: Both grapeseed extract and pine bark extract are rich in OPCs with very similar antioxidant profiles. Grapeseed extract standardized to ≥95% OPCs is typically more cost-effective while delivering comparable free radical scavenging capacity — making it the preferred choice for mass-market premium supplements and functional food applications where budget and efficacy both matter.
Q: Can this extract be used in topical skincare formulations?
A: Yes. The extract’s high water solubility, red-brown to violet pigment, and photostability make it well suited for serums, creams, and masks targeting UV protection and anti-aging. Recommended topical usage level: 0.5–2% (w/w). It works synergistically with vitamin C derivatives for collagen-protective formulations.
Q: How is the powder’s stability ensured over 24 months?
A: OPCs are sensitive to light, oxygen, and moisture. ORGANICWAY supplies the extract in vacuum-sealed, light-protected packaging. Stored in a cool, dry environment below 25°C, the powder retains ≥95% OPC potency for 24 months from production date, as validated by UV spectrophotometric retesting.
Q: Is this product suitable for vegan and gluten-free finished products?
A: Yes. The extract is derived solely from grape seeds with no animal-derived processing aids. It carries Vegan and Gluten-Free certifications, and is produced in a facility free from the 14 major EU allergens. Non-GMO Project Verified status further support clean-label positioning.
Q: What are typical formulation doses for different health claims?
A: General antioxidant support: 100–300 mg/day. Targeted cardiovascular support: up to 600 mg/day. Functional beverages: 50–200 mg/serving. Topical: 0.5–2% formulation weight. These ranges align with published clinical literature; final dosing should be confirmed with a regulatory or clinical advisor for specific label claims.
Q: What are the MOQ, sample availability, and lead times?
A: Free samples (1 kg) are available via FEDEX, UPS, and EMS. Bulk MOQ: 25 kg per order (40 drums/pallet). Standard lead time: 10–20 business days from order confirmation. Payment: T/T, L/C, D/P, D/A, MoneyGram, Western Union, credit card. Ports of loading: Qingdao, Tianjin.
Packaging & Storage
Packaging Specifications
| Parameter | Details |
|---|---|
| Standard Unit | 25 kg/drum |
| Pallet Configuration | 40 drums/pallet |
| Carton Dimensions | 40 × 40 × 60 cm |
| Primary Packaging | Vacuum-sealed, light-protected bags |
| Inner Liner | Food-grade PE/foil laminate (oxygen and moisture barrier) |
| Custom Packaging | Available on request |
| Sample Pack | 1 kg (free sample) |
Storage Conditions
| Condition | Requirement |
|---|---|
| Temperature | Below 25°C |
| Humidity | Below 50% RH |
| Light | Away from direct sunlight (OPCs are photosensitive) |
| Container | Original vacuum-sealed packaging |
| Shelf Life | 24 months from production date (≥95% OPC potency retained) |
OPCs are sensitive to light and oxygen. Vacuum-sealed, light-protected packaging is standard for all ORGANICWAY grapeseed extract shipments. Do not expose to direct sunlight or high humidity after opening.
