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Resveratrol is a natural antioxidant present in plants, Resveratrol is extracted from dried rhizome of polygonum cuspidatum. Resveratrol is off-white (50%) to white powder (98%), soluble in ethanol (50 mg/mL), DMSO (16 mg/mL), and other organic solvents, hardly soluble in water (3 mg/100mL).  It mainly exerts its antioxidant effect by scavenging or inhibiting the generation of free radicals, inhibiting lipid peroxidation, and regulating the activity of antioxidant-related enzymes.

Resveratrol generally exists in the trans form in nature, which is theoretically more stable than the cis form. The efficacy of resveratrol mainly comes from its trans structure. Resveratrol is in great demand in the market. Because of its low content in plants and high extraction costs, the use of chemical methods to synthesize resveratrol has become the main means of its development.

MEETSUPPLEMENT can provide natural Polygonum cuspidatum extract resveratrol 98%, 50%, synthetic resveratrol 99% and water-soluble 10%.

Resveratrol Specification

Item  Source Test Method Appearance Purity   Grade 
Natural Polygonddfefe Polygonum Cuspidatum Sieb. HPLC Off-White Powder 98% Healthcare
Natural Polygonddfefe Polygonum Cuspidatum Sieb. HPLC Brown Powder 50% Healthcare
Natural Polygonddfefe Polygonum Cuspidatum Sieb. HPLC Light Yellow Brown Powder 10% Healthcare& Cosmetic
Natural Grape Peel HPLC Red Powder 5% Healthcare
Synthetic HPLC Off-White Powder 98% Healthcare

Resveratrol Product Photos

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Resveratrol COA

Item Specifications Method Results
Resveratrol ≥98.00% HPLC 98.58%
Appearance White Powder Visual Complies
Odor Characteristic Organoleptic Complies
Taste Characteristic Organoleptic Complies
Physical Characteristics
Particle Size NLT 100% Pass 80 Mesh GB5507-85 Complies
Loss on Drying ≤2.0% GB/T12531-1990 0.54%
Ash Content ≤2.0% AOAC942.05,17th 0.19%
Pesticide Residue <0.2ppm GB/T5009.19-1996 Complies
Heavy Metals
Total Heavy Metals ≤20ppm CP2000 IXE Complies
Arsenic ≤2ppm GB/T5009.11-1996 Complies
Lead ≤2ppm GB/T5009.12-1996 Complies
Microbiological Tests
Total Plate Count ≤1000cfu/g AOAC990.12,16 th Complies
Total Yeast & Mold ≤100cfu/g (BAM)Chapter18.8th Ed Complies

MEETSUPPLEMENT is a brand of Xi’an Herb Bio-Tech Co.,Ltd, we are a professional supplier of Resveratrol, wholesale Resveratrol 98%, bulk supply Resveratrol. Contact us to boost your business!

Additional information

Product Name


Latin Name

Polygonum cuspidatum

Part of Use





10%, 5%, 50%, 98%


White Powder






Cosmetic, Health supplement

Customer Reviews


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