What Is Natural Resveratrol Powder?
Natural Resveratrol Powder is a bioactive polyphenolic compound derived from the dried roots of Polygonum cuspidatum (also known as Reynoutria japonica or Japanese knotweed). As one of the most extensively researched plant-derived stilbenes in the nutraceutical and functional ingredient industry, resveratrol has gained substantial recognition among supplement manufacturers, cosmetic formulators, and health product developers worldwide.
The primary active constituent isolated from this botanical source is trans-resveratrol, which is widely regarded as the biologically superior isomeric form. Depending on the specification and intended application, Natural Resveratrol Powder ranges in appearance from brown powder at lower concentrations (10%–50%) to off-white powder at higher purity levels (98%), reflecting the degree of purification achieved during extraction and refinement.
At Extract Makers, we supply Natural Resveratrol Powder in multiple specifications to meet diverse formulation needs — from standardized botanical extracts to highly purified trans-resveratrol suitable for premium supplement applications.
Botanical Source and Raw Material Origin
| Parameter | Details |
|---|---|
| Botanical Name | Polygonum cuspidatum Sieb. et Zucc. |
| Common Names | Japanese Knotweed, Giant Knotweed, Reynoutria japonica |
| Plant Part Used | Dried Root / Rhizome |
| Active Constituent | Trans-Resveratrol (3,5,4′-trihydroxystilbene) |
| Secondary Sources | Grape Peel (Vitis vinifera) |
| Primary Growing Regions | Central and Southern China |
Polygonum cuspidatum root has been used extensively in traditional East Asian herbal medicine, and its high natural resveratrol content makes it the most commercially viable and cost-effective botanical source for large-scale extraction. Our raw material supply chain is traceable to verified cultivation and wild-harvesting regions, with incoming material tested for pesticide residues, heavy metals, and microbial contamination prior to processing.
Extraction and Manufacturing Process
Natural Resveratrol Powder is produced through a multi-stage extraction and purification process that begins with carefully dried and milled Polygonum cuspidatum root material. The general manufacturing workflow includes:
- Raw Material Inspection — Incoming botanical material undergoes identity verification and contaminant screening before processing begins.
- Solvent Extraction — Food-grade ethanol or water-ethanol mixtures are used to extract polyphenolic compounds from the plant matrix.
- Filtration and Concentration — The crude extract is filtered, concentrated under reduced pressure to remove solvent residues, and prepared for downstream purification.
- Chromatographic Purification — High-purity grades (≥95%–98%) are achieved using column chromatography techniques that selectively isolate and concentrate the trans-resveratrol fraction.
- Spray Drying or Vacuum Drying — The purified extract is converted to a stable dry powder form under controlled temperature conditions to preserve bioactivity.
- Quality Control Testing — Each production batch undergoes comprehensive analytical testing, including HPLC quantification of resveratrol content, microbiological analysis, heavy metal screening, and physical characterization before release.
All manufacturing operations are conducted in our GMP-certified production facility, with full batch documentation and traceability records maintained throughout the production cycle.
Product Specifications
Extract Makers offers Natural Resveratrol Powder across a range of specifications to accommodate different application requirements and budget considerations:
| Item | Source | Appearance | Specification |
|---|---|---|---|
| Natural Extracted Resveratrol | Polygonum cuspidatum Sieb. | Off-white Powder | 98% |
| Natural Extracted Resveratrol | Polygonum cuspidatum Sieb. | Brown Powder | 50% |
| Natural Extracted Resveratrol | Polygonum cuspidatum Sieb. | Brown Powder | 10% |
| Grape Peel Resveratrol | Grape Peel (Vitis vinifera) | Purple-Red Powder | 5% |
| Synthetic Resveratrol | Chemical Synthesis | White Powder | 99% |
| Natural Fermented Resveratrol | Microbial Fermentation | White Powder | 99% |
In addition to naturally extracted resveratrol from Polygonum cuspidatum, Extract Makers also maintains inventory of synthetic resveratrol powder and natural fermented resveratrol powder, both offering competitive pricing advantages for cost-sensitive formulations or high-volume applications.
Physical and Chemical Properties
Understanding the physicochemical profile of Natural Resveratrol Powder is essential for successful formulation and product development.
Solubility Profile
| Solvent | Solubility |
|---|---|
| Ethanol | ~50 mg/mL |
| DMSO | ~16 mg/mL |
| Acetone | ~50 mg/mL |
| Water | ~3 mg/100 mL (practically insoluble) |
Trans-resveratrol exhibits limited aqueous solubility, which is an important consideration for liquid supplement formulations, beverage applications, and oral delivery systems. For water-dispersible applications, formulators may consider encapsulated or liposomal resveratrol variants, or work with solubilization excipients such as cyclodextrins or emulsifiers. Our technical team is available to advise on formulation strategies upon request.
Key Physical Characteristics
- Molecular Formula: C₁₄H₁₂O₃
- Molecular Weight: 228.24 g/mol
- Melting Point: 253–255°C
- CAS Number: 501-36-0 (trans-resveratrol)
- Appearance (98%): Off-white to light beige fine powder
- Odor: Characteristic, mild
- Particle Size: NLT 100% pass through 80 mesh
Certificate of Analysis — Natural Resveratrol Powder 98%
The following Certificate of Analysis reflects representative quality data for our Natural Extracted Resveratrol 98% batch:
| Test Item | Specification | Method | Result |
|---|---|---|---|
| Resveratrol Content | ≥98% | HPLC | 98.58% |
| Appearance | Off-white Powder | Visual Inspection | Complies |
| Odor | Characteristic | Organoleptic | Complies |
| Taste | Characteristic | Organoleptic | Complies |
| Particle Size | NLT 100% Pass 80 Mesh | GB5507-85 | Complies |
| Loss on Drying | ≤2.0% | GB/T12531-1990 | 0.54% |
| Ash Content | ≤2.0% | AOAC 942.05, 17th Ed. | 0.19% |
| Pesticide Residue | <0.2 ppm | GB/T5009.19-1996 | Complies |
| Total Heavy Metals | ≤20 ppm | CP2000 IXE | Complies |
| Arsenic | ≤2 ppm | GB/T5009.11-1996 | Complies |
| Lead | ≤2 ppm | GB/T5009.12-1996 | Complies |
| Total Plate Count | ≤1,000 cfu/g | AOAC 990.12, 16th Ed. | Complies |
| Total Yeast & Mold | ≤100 cfu/g | FDA (BAM) Chapter 18, 8th Ed. | Complies |
Full batch Certificates of Analysis and third-party laboratory test reports are available upon request for both Natural Extracted Resveratrol 98% and Natural Fermented Resveratrol 99%.
Functional Benefits and Research-Supported Properties
Trans-resveratrol is one of the most well-studied polyphenolic compounds in the nutritional science and functional ingredient landscape. Research published across peer-reviewed literature has explored multiple mechanisms of action that make it a compelling ingredient for health-oriented product development:
Antioxidant Activity
Resveratrol functions as a potent free radical scavenger, helping to neutralize reactive oxygen species (ROS) and reduce oxidative stress at the cellular level. This antioxidant capacity underpins many of its proposed health benefits and is a key driver of its widespread inclusion in anti-aging formulations.
Anti-Aging Properties
Trans-resveratrol is widely recognized as a SIRT1 activator — a sirtuin pathway modulator associated with longevity research. Its ability to influence cellular aging mechanisms has made it a cornerstone ingredient in premium anti-aging supplement lines, often combined with complementary ingredients such as NMN, pterostilbene, NAD precursors, and Coenzyme Q10.
Cardiovascular Support
Population studies and preclinical research have explored resveratrol's potential to support healthy cholesterol levels, promote endothelial function, and contribute to overall cardiovascular wellness — properties that align well with heart health supplement positioning.
Anti-Inflammatory Effects
Resveratrol has demonstrated the ability to modulate inflammatory signaling pathways, including inhibition of NF-κB activity and reduction of pro-inflammatory cytokine expression, making it relevant for products targeting inflammation-related health concerns.
Potential Anticancer Research Interest
While definitive clinical conclusions remain under investigation, resveratrol continues to be a subject of significant oncology-related research interest due to its ability to influence cell cycle regulation and apoptotic pathways. This academic interest further elevates its profile as a high-value research ingredient.
Disclaimer: The above properties are based on published scientific research and are provided for informational purposes for ingredient and formulation professionals. These statements have not been evaluated by regulatory authorities such as the FDA and are not intended to imply that the product diagnoses, treats, cures, or prevents any disease.
Industry Applications
Natural Resveratrol Powder is a versatile active ingredient applicable across a broad range of product categories:
Dietary Supplements
- Anti-aging capsules and tablets
- Cardiovascular health formulas
- Antioxidant and cellular protection products
- Longevity and wellness blends (often paired with NMN, pterostilbene, CoQ10)
- Sports recovery and performance supplements
Cosmetics and Personal Care
- Anti-aging serums and face creams
- Skin brightening and protective formulations
- Topical antioxidant products
- Hair care and scalp health products
Functional Foods and Beverages
- Nutraceutical beverages and wellness shots
- Functional snack fortification
- Premium health food products
Pharmaceutical and Research Applications
- Active pharmaceutical ingredient (API) research
- Preclinical and clinical study formulations
- Reference standard material for analytical laboratories
Formulation Compatibility and Stability Considerations
When incorporating Natural Resveratrol Powder into finished product formulations, the following technical considerations are relevant:
- Compatibility: Trans-resveratrol is generally compatible with most standard supplement excipients. It blends well with lipid-soluble antioxidants and synergistic polyphenols such as pterostilbene and quercetin.
- Light Sensitivity: Resveratrol is sensitive to UV light exposure, which can promote isomerization from the more bioactive trans form to the less active cis form. Formulations should use opaque or amber packaging, and processing should minimize unnecessary light exposure.
- Heat Stability: The compound exhibits reasonable thermal stability under standard processing conditions, though excessive heat should be avoided during manufacturing to preserve trans-resveratrol content.
- pH Stability: Resveratrol is more stable under mildly acidic to neutral pH conditions. Highly alkaline formulation environments may affect stability over time.
- Encapsulation: Liposomal delivery, cyclodextrin complexation, or nanoparticle encapsulation technologies can significantly enhance bioavailability and aqueous solubility for advanced formulation applications.
Storage Recommendations
To preserve the quality, potency, and shelf life of Natural Resveratrol Powder, the following storage conditions are recommended:
- Temperature: Store in a cool, dry environment, ideally at or below 25°C (77°F)
- Humidity: Relative humidity should be maintained below 60%; avoid exposure to moisture
- Light: Protect from direct sunlight and UV radiation; store in opaque or light-resistant containers
- Shelf Life: 24 months from the date of manufacture when stored under recommended conditions
- Container Integrity: Keep containers tightly sealed when not in use to prevent moisture ingress and oxidation
Quality Standards and Certifications
All products manufactured and supplied by Extract Makers are produced in compliance with internationally recognized quality management and food safety standards. Our production facility holds the following certifications:
- GMP (Good Manufacturing Practice) — Standard manufacturing environment
- ISO 9001 — Quality Management System
- ISO 22000 — Food Safety Management System
- HACCP — Hazard Analysis and Critical Control Points
- Kosher Certified — Suitable for kosher-compliant formulations
- Halal Certified — Suitable for halal-compliant product lines
- FDA Registration — Facility registered with the U.S. Food and Drug Administration
Third-party independent laboratory test reports are available for key specifications including Natural Extracted Resveratrol 98% and Natural Fermented Resveratrol 99%, providing an additional layer of quality assurance for import-market customers and brand owners conducting ingredient due diligence.
Packaging Options
Extract Makers provides flexible packaging solutions designed to meet the requirements of both small-scale formulators and large-volume industrial buyers:
| Order Quantity | Standard Packaging |
|---|---|
| 1 kg – 5 kg | Double-sealed aluminum foil bags |
| 10 kg – 20 kg | Carton with inner liner |
| 10 kg – 30 kg | Fiber drum with sealed inner bag |
Private Label and Custom Packaging
For brands and distributors who wish to retail finished ingredient products or create branded ingredient lines, Extract Makers offers a private label packaging service. We can customize packaging materials, labeling, and bag design with your company logo, product branding, and specification information. This service eliminates the need for in-house packaging operations and significantly reduces time-to-market for new product launches.
Shipping and Logistics
Extract Makers ships Natural Resveratrol Powder to customers worldwide through a range of logistics options:
- Express Courier (Orders under 1 ton): DHL, FedEx, UPS, EMS, and other international express services
- Rail Freight: Available for mid-to-large volume orders where rail transit is logistically viable
- Sea Freight: Cost-effective option for large bulk orders; suitable for most international destinations
All export shipments are accompanied by complete documentation including Certificate of Analysis, MSDS/SDS, and relevant customs documentation to support smooth import clearance in destination markets.
Free Sample Policy
Extract Makers offers complimentary samples of Natural Resveratrol Powder to qualified buyers, enabling thorough quality evaluation and internal testing prior to placing a commercial order. Standard sample quantities range from 10 g to 20 g, which is sufficient for analytical verification and preliminary formulation trials. For higher-value specifications, sample availability and pricing should be confirmed with our sales team in advance.
After-Sale Service and Quality Guarantee
We stand behind the quality of every product we supply. Extract Makers maintains the following customer service commitments:
- 2-Year Shelf Life Guarantee: All products are guaranteed to meet their specification throughout the stated shelf life when stored under recommended conditions.
- Hassle-Free Return Policy: In the event that a product does not meet agreed specifications, we will process a refund based on the quantity of product returned, subject to our standard returns process.
- Dedicated Technical Support: Our product and formulation team is available to assist with technical questions, application guidance, and regulatory documentation support.
Why Choose Extract Makers for Natural Resveratrol Powder?
Ingredient buyers and product developers choosing a resveratrol supplier need confidence in three core areas: consistent product quality, transparent documentation, and reliable supply chain performance. Extract Makers delivers on all three:
- ✅ Multiple purity grades available (5%, 10%, 50%, 98%, 99%) to suit different budget and formulation requirements
- ✅ Natural, fermented, and synthetic resveratrol options for maximum sourcing flexibility
- ✅ Full batch traceability from raw botanical material to finished powder
- ✅ Comprehensive third-party test reports readily available
- ✅ GMP, ISO, HACCP, Kosher, Halal, and FDA-registered manufacturing
- ✅ Competitive pricing with consistent quality across bulk order volumes
- ✅ Private label and custom packaging available for brand owners and distributors
- ✅ Global shipping capability with reliable logistics partners
Contact Us
To request a quotation, obtain a Certificate of Analysis, arrange a free sample, or discuss your specific sourcing requirements, please contact our team directly:
📧 Email: [email protected]
Our team is ready to assist manufacturers, brand owners, importers, formulators, and wholesale buyers in evaluating and sourcing Natural Resveratrol Powder for their product development and commercial supply needs.
Note: Extract Makers maintains a catalog of more than 2,000 plant extracts, botanical ingredients, dietary supplement raw materials, and functional food additives. If you are looking for a specific ingredient that does not appear on our website, please reach out directly — we are highly likely to carry it or be able to source it on your behalf.
