Sample: Available
Appearance: White powder
Delivery: within 3 days after payment
Certifications: ISO, HACCP, HALAL, KOSHER
Foil bag: 1-10kg; Drum: 20,25kg
- Product Description
Pure Resveratrol Powder - Premium Plant Extract from Xi'an Linnas Biotech
Xi'an Linnas Biotech Co., Ltd. manufactures Pure Resveratrol Powder extracted from Polygonum cuspidatum roots using cutting-edge purification techniques at 98% purity (HPLC confirmed). Our product ensures maximal biological activity for your formulations by delivering a precisely controlled trans-isomer concentration above 99%.
In contrast to lower-grade extracts, our production procedure eliminates gastrointestinal side effects and preserves true phytochemical integrity by removing toxic emodin to less than 1 ppm. This ingredient satisfies international regulatory requirements in Europe, North America, and the Middle East and is certified under ISO 9001, HACCP, Halal, and Kosher standards. For dietary supplements, cosmetic formulations, and nutraceutical applications, you receive consistent batch-to-batch quality with prompt delivery within three days after payment and thorough technical assistance.
Product Specifications
|
Parameter |
Specification |
|
Purity |
≥98% Trans-Resveratrol (HPLC) |
|
Appearance |
Fine, off-white to white powder |
|
Particle Size |
80 mesh (micronized options available) |
|
Molecular Formula |
C₁₄H₁₂O₃ |
|
Molecular Weight |
228.25 g/mol |
|
Melting Point |
253°C - 255°C |
|
Solubility |
Soluble in ethanol, DMSO; <0.05 mg/mL in water |
|
Emodin Content |
<1 ppm |
|
Heavy Metals |
Meets USP/EP limits |
|
PAHs (BaP) |
<2 ppb |
|
Shelf Life |
24 months (proper storage) |

Physical & Chemical Properties
Up to its melting point, the powder has remarkable thermal stability and a distinctive crystalline structure. Because of its lipophilic nature, certain formulation techniques are needed for water-based applications.
As you can see, the trans-isomer arrangement has more bioactivity than the cis-form. The longevity and metabolic advantages that clients anticipate are provided by this molecular configuration, which guaranties excellent interaction with sirtuin proteins.
Particle size is reduced to D90 < 10 microns using our micronization process. By greatly increasing dissolving rates, this improvement solves the bioavailability issues that are common with Class II BCS drugs.
Under controlled circumstances, Pure Resveratrol Powder stays stable, although it needs to be shielded from UV light. To avoid photo-isomerization, which could lower efficacy, we advise nitrogen flushing and amber packaging during formulation.
Manufacturing Advantages
Clean Label Compliance: Our extraction method achieves pharmaceutical-grade purity while maintaining botanical authenticity. You get a product devoid of petrochemical residues and artificial indicators.
Safety-First Processing: Emodin, an anthraquinone that has laxative effects in raw herbal powders, is eliminated by advanced purification. Even at higher dosages, your compositions maintain their gentleness.
Batch Consistency: Sophisticated analytical tools and automated production lines guaranty that each batch satisfies the same requirements. Your regulatory paperwork and quality control are made easier by this dependability.
Global Certification: Your import processes are streamlined in major markets with ISO 9001, Halal, Kosher, and HACCP certifications. You steer clear of compliance issues and regulatory delays.
Technical expertise: Our formulation team offers stability testing help, bioavailability increase techniques, and solubilization advice. You acquire a partner who is committed to the success of your product.

Application Solutions
Dietary supplements: Perfect for metabolic health products, cardiovascular support, and longevity formulas. Smaller capsule sizes with clinically acceptable dose are made possible by the increased trans-isomer content.
Cosmetic Ingredients: Its strong ability to scavenge free radicals is advantageous for anti-aging serums, skin-brightening lotions, and antioxidant compositions. For the best skin penetration, mix with the proper solubilizers.
Functional Foods: You can create novel drinks and nutritional bars by combining them with bioavailability enhancers like lipid matrices or piperine. Water-dispersible applications are made possible by nano-encapsulation technology.
Professional Formulations: For clinical trials and specific therapeutic applications, research organizations and pharmaceutical makers value the reliable quality.
Formulation Considerations
Enhancement of Bioavailability: The metabolism of native resveratrol is quick. By utilizing liposomal delivery techniques, adding piperine, or choosing our micronized grade, you can increase plasma retention.
Solubility Management: Water compatibility is provided via cyclodextrin complexation or nano-encapsulation for clear drinks or watery formulations. Appropriate solubilization partners can be suggested by our technical staff.
Optimize stability by storing in low-humidity, light-resistant containers below 25°C. To maintain trans-isomer integrity during manufacture, employ inert atmosphere packaging and amber lighting.
Dosage Precision: Accurate dosage estimates are made possible by the 98% purity criteria. Depending on your therapeutic goal and mode of delivery, typical effective levels range from 50 to 500 mg per day.

Frequently Asked Questions
Q: How can one distinguish between synthetic and natural resveratrol?
A: The plant source is conclusively confirmed by C14 isotope study. Polygonum cuspidatum trace phytochemical markers are present in natural extracts, but synthetic versions display reaction byproducts that are not present in plant material.
Q: Will this substance upset your stomach?
A: The laxative effects of crude extracts are eliminated by our purified powder, which contains less than 1 ppm Emodin. Excellent tolerability across dosage ranges is confirmed by clinical feedback.
Q: Is this applicable to beverage applications?
A: Because direct dispersion is less soluble in water, precipitation results. For transparent liquid products, solubilization agents, nano-encapsulation, or microemulsion technologies are required. For these kinds of applications, we offer formulation consultation.
Q: What storage circumstances maintain potency?
A: Stability is maintained for 24 months in cold, dry settings using light-resistant packaging. Steer clear of extended UV exposure, which changes the active trans-isomer into the less potent cis-form.
Q: Are samples available for formulation trials?
A: Samples with complete analytical documentation are available. This enables you to assess performance in your particular matrix prior to committing to manufacturing numbers.
Contact Us
Ready to enhance your formulations with pharmaceutical-grade Pure Resveratrol Powder? Email: cathy@linnas.com.cn









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