Keep Ingredients Co., Ltd. is one of the leading manufacturers and suppliers of Polygonum Cuspidatum Extract Resveratrol Powder in China. If you're going to wholesale bulk high quality Polygonum Cuspidatum Extract Resveratrol Powder, welcome to get more information from our factory. Also, cheap products are available.
Polygonum Cuspidatum Extract – Water-Soluble Resveratrol 10% (Liposomal)
Solve the #1 Limitations of Resveratrol: Poor Solubility & Low Absorption
Unlike conventional resveratrol powders (20%–98%) that are poorly water-soluble and difficult to formulate, this product is a liposomal, water-dispersible resveratrol system designed specifically for modern nutraceutical and functional beverage applications.
It enables:
Instant dispersion in water (clear solution)
Enhanced bioavailability (2–3x vs standard resveratrol)
Stable performance in acidic and thermal processing conditions
Competitive Benchmark
What Most Resveratrol Suppliers Offer
Across global suppliers, most products fall into these categories:
20% / 50% / 98% resveratrol powders
Oil-soluble or poorly dispersible
Limited application (mainly capsules/tablets)
No real solution for beverages or liquids
👉 Common limitations:
- Insoluble in water
- Low absorption
- Precipitation in liquid formulations
- No stability data for industrial processing
What Makes Our Product Different
| Capability | Typical Market Products | Our Water-Soluble Liposomal Resveratrol |
|---|---|---|
| Water Solubility | ❌ Insoluble | ✅ Fully soluble (clear solution) |
| Bioavailability | Low | ✅ 2–3x higher |
| Beverage Use | ❌ Not feasible | ✅ Designed for beverages |
| Stability | Limited | ✅ pH 3–9 / Heat stable |
| Formulation Flexibility | Low | ✅ High |
| Technology | None | ✅ Liposomal delivery system |
If you choose standard resveratrol:
- Limited to capsules
- Lower perceived value
- Difficult formulation
If you choose this product:
- Expand into functional beverages & liquid supplements
- Launch premium anti-aging SKUs
- Increase product differentiation & margins
Strategic Insight
The global resveratrol market is shifting from " High purity competition (98%)" to "Delivery system competition (bioavailability & solubility)."
Final Conversion Hook
If your product line includes:
- Functional drinks
- Anti-aging supplements
- Premium wellness formulas
👉 Then standard resveratrol is no longer enough.
You need a formulation-ready, bioavailable solution.
Technical Specifications & Analysis
| Analytical Items | Specifications | Typical Test Results | Test Method |
|---|---|---|---|
| Active Ingredient | |||
| Resveratrol (Polygonum cuspidatum Sieb. et Zucc. Root Extract) | ≥10.0% | 10.8% (Batch Example) | HPLC |
| Physical & Chemical Index | |||
| Appearance | Light Yellow to Off-White Fine Powder | Conforms | Organoleptic |
| Odor & Taste | Characteristic, No Off-Odors | Conforms | Organoleptic |
| Particle Size | 100% through 80 Mesh | Conforms | Sieving Method |
| Loss on Drying | ≤5.0% | 4.2% (Batch Example) | Gravimetric Method (105℃, 2hrs) |
| Ash Content | ≤5.0% | 3.8% (Batch Example) | Ashing Method (550℃, 4hrs) |
| Water Solubility | Fully Soluble (Clear Solution) | Conforms | Visual & Turbidity Test |
| Safety Index | |||
| Heavy Metals (Total) | ≤10ppm | Conforms | ICP-MS |
| Arsenic (As) | ≤2ppm | Conforms | ICP-MS |
| Lead (Pb) | ≤3ppm | Conforms | ICP-MS |
| Cadmium (Cd) | ≤1ppm | Conforms | ICP-MS |
| Mercury (Hg) | ≤0.1ppm | Conforms | ICP-MS |
| Residual Solvents | Meet USP/EP Limits | Conforms | GC-MS |
| Microbiological Index | |||
| Total Plate Count | ≤1000cfu/g | Conforms | GB 4789.2 / USP <61> |
| Yeast & Mold | ≤100cfu/g | Conforms | GB 4789.15 / USP <61> |
| E. Coli | Negative | Negative | GB 4789.38 / USP <62> |
| Salmonella | Negative | Negative | GB 4789.4 / USP <62> |
Standard vs Water-Soluble Resveratrol
| Feature | Standard 98% | Your Product |
|---|---|---|
| Water Solubility | ❌ Insoluble | ✅ Fully soluble |
| Bioavailability | Low | High (2–3x) |
| Beverage Use | ❌ Not suitable | ✅ Ideal |
| Stability | Medium | High |
| Application Range | Limited | Broad |
Application Matrix
| Application | Recommended Form | Why |
| Capsules/Tablets | 98% Resveratrol | Cost-effective |
| Functional Beverages | ✅ Water-Soluble 10% | No precipitation |
| Gummies | Liposomal | Stability + taste |
| Cosmetics | Water-soluble | Better penetration |
| Pet Nutrition | Liposomal | Higher absorption |
Choose based on application:
Doing capsules? → 50% or 98%
Doing beverages? → ONLY water-soluble
Premium anti-aging formula? → Liposomal
Resveratrol vs NMN vs Quercetin
Core Positioning
| Ingredient | Primary Function | Market Position | Key Limitation |
|---|---|---|---|
| Resveratrol | Anti-aging, antioxidant | Classic longevity ingredient | ❌ Poor solubility & bioavailability |
| NMN | NAD+ booster | Premium anti-aging | ❌ Regulatory uncertainty (US/EU) |
| Quercetin | Anti-inflammatory, immune | Functional daily health | ❌ Low absorption |
Functional Comparison (High-Intent Keywords)
| Feature | Resveratrol (Standard) | Our Water-Soluble Resveratrol | NMN | Quercetin |
|---|---|---|---|---|
| Bioavailability | Low | ✅ High (liposomal) | Medium | Low |
| Water Solubility | ❌ No | ✅ Yes | Yes | Poor |
| Beverage Application | ❌ Not suitable | ✅ Ideal | Limited | Limited |
| Regulatory Risk | Low | Low | ⚠️ Medium–High | Low |
| Cost Level | Medium | Medium | High | Low |
Compared to NMN and quercetin, water-soluble liposomal resveratrol offers the best balance of:
- Regulatory safety
- Cost efficiency
- Formulation flexibility
- Market acceptance
→ Making it the most scalable anti-aging ingredient for global brands
OEM & Customization
Offer clearly:
- Custom resveratrol levels (10%–98%)
- Liposomal / Co-loading systems
Blends:
- Resveratrol + Vitamin C
- Resveratrol + CoQ10
- Resveratrol + EGCG
Packaging & Supply Advantage
MOQ: 1kg
Lead time: 5–10 days
Capacity: 40 tons/month
Samples: Free (100–200g)
Technology Behind Water-Soluble Resveratrol
1. Liposomal Encapsulation Mechanism
This product utilizes advanced liposomal delivery technology, where resveratrol molecules are encapsulated within phospholipid bilayer vesicles (liposomes).
The liposome structure mimics human cell membranes
Protects resveratrol from oxidation, light, and metabolic degradation
Enhances compatibility with aqueous systems
Unlike conventional resveratrol powders, which are poorly soluble and unstable, liposomal encapsulation enables:
Improved dispersion in water
Increased stability during processing and storage
Controlled release of active compounds
2. Particle Size Optimization
The liposomal system is engineered to a micro/nano-scale particle size range (typically 50–300 nm).
Smaller particle size increases surface area
Promotes better interaction with intestinal membranes
Enhances uniformity in liquid formulations
This optimized size range ensures:
Transparent or near-clear aqueous solutions
No sedimentation in beverages
Consistent bioactive delivery
3. Enhanced Absorption Pathway
Traditional resveratrol is rapidly metabolized in the liver, resulting in low bioavailability.
Liposomal resveratrol improves absorption through:
Protection from enzymatic degradation in the gastrointestinal tract
Facilitated transport across intestinal epithelial cells
Partial lymphatic absorption, bypassing first-pass metabolism
As a result, it delivers:
Higher systemic availability
More sustained release profile
Improved functional efficacy at lower dosages
✔ Why This Matters for Your Product Development
Enables liquid-ready formulations without solubility challenges
Improves efficacy perception in premium anti-aging products
Supports clean-label positioning without synthetic solubilizers
Expands applications across beverages, supplements, and cosmetics
FAQ
| FAQ Category | Questions | Answers |
|---|---|---|
| Regulatory Compliance | Does this water-soluble resveratrol comply with EU/US regulations for dietary supplements and cosmetics? | Yes, it meets EU CosIng standards, FDA dietary supplement guidelines, and USP/EP quality requirements. Complete regulatory documents are provided for product registration. |
| Solubility & Stability | How does the water solubility perform in acidic beverages (pH 3.0-4.0) and long-term storage? | It maintains 100% solubility in pH 3.0-4.0 and retains ≥97% potency in liquid formulations stored at 25℃ for 24 months, with no precipitation or color change. |
| Customization Capabilities | Can you adjust resveratrol concentration or provide custom blends with other antioxidants? | Yes, we offer resveratrol customization (10%-98%) and OEM/ODM blends with CoQ10, vitamin C, or green tea extract. R&D samples are delivered in 5-7 working days. |
| Supply Capacity | What is your monthly production capacity and lead time for bulk orders (500kg+)? | Monthly production capacity exceeds 40 tons. For bulk orders (500kg+), lead time is 7-10 working days; urgent orders (300kg+) can be fulfilled in 5 days with prior confirmation. |
| Bioavailability & Safety | How does the bioavailability compare to oil-soluble resveratrol, and is it safe for long-term use? | Water-soluble formulation offers 2-3x higher bioavailability than oil-soluble resveratrol. It is GRAS-certified by FDA and safe for long-term use in recommended dosages. |
| Allergen Compliance | Is the product free of common allergens and suitable for vegan/vegetarian formulations? | Yes, it is vegan, vegetarian, gluten-free, dairy-free, soy-free, and nut-free. Allergen-free certification is provided to support product labeling. |
Why Choose Us as Your Supplier?
Solubility Advantage: Water-soluble formulation solves the core pain point of resveratrol application, expanding your product portfolio.
Proven Quality: HPLC-verified potency, strict quality control, and consistent batch performance ensure reliable supply.
Technical Support: R&D team provides formulation guidance, compatibility testing, and custom solution development.
Global Compliance: Full certification package supports seamless market access in EU/US and other key regions.
Cost-Effective: 5%-20% more competitive pricing than global suppliers with equal or superior quality, boosting your profit margin.
Contact Us for a Quote or Sample
Ready to enhance your products with our premium Water-Soluble Resveratrol ≥10% (Polygonum Cuspidatum Extract Powder)?
Please note that our products and services are intended for commercial and industrial use only. Contact our sales team today to discuss your business needs, request a free sample, or get a detailed quotation.
Email: info@watersolu.com
Phone: +86 13484914978
WhatsApp: +86 17396654828
Comprehensive Polygonum Cuspidatum & Resveratrol Product Range
| Product Category | Product Name | Key Specifications | Target Applications |
|---|---|---|---|
| Standard Extracts | Polygonum Cuspidatum Extract 10:1/20:1 | TLC Detection | Cost-effective supplements, functional foods |
| Resveratrol-Focused | Water-Soluble Resveratrol 10% | ≥10% Resveratrol (HPLC), Water-Soluble | Beverages, liquid supplements, cosmetics |
| Resveratrol 20%/50% | ≥20%/50% Resveratrol (HPLC) | Premium supplements, nutraceuticals | |
| Resveratrol 98% | ≥98% Resveratrol (HPLC), Oil-Soluble | High-potency formulations, pharmaceuticals | |
| Compound Resveratrol | 99% Purity (HPLC) | Targeted antioxidant supplements | |
| Related Compounds | Emodin 50%/80%/98% | ≥50%/80%/98% Emodin (HPLC) | Cosmeceuticals, functional ingredients |
| Special Formulations | Liposomal Resveratrol | All resveratrol grades, Liposomal Encapsulated | Ultra-high bioavailability supplements |
| Resveratrol + Green Tea Blend | Resveratrol 10% + EGCG 50% | Synergistic antioxidant formulations | |
| Resveratrol + Vitamin C Complex | Resveratrol 10% + Vitamin C 20% | Immune & antioxidant support supplements |
Hot Tags: Polygonum Cuspidatum Extract Resveratrol Powder, China Polygonum Cuspidatum Extract Resveratrol Powder manufacturers, suppliers, factory
