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Food Supplements Knotweed Extract Resveratrol Ivory - White Fine Powder

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Address: Rm 2901,1st Bdg of Vaya Garden,35 Meilin Str.,Changsha 410009, China

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Changsha World-Way Biotech Inc

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Food Supplements Knotweed Extract Resveratrol Ivory - White Fine Powder

Country/Region china
City & Province changsha hunan

Product Details

Natural Resveratrol 98% Applied in Food Supplements Combat Heart Disease




1) More than 20-year experience leading plant extracts manufacturer in China

2) Own GAP planting bases and Two factories Certified with Kosher, HACCP, Halal, etc.

3) Exellent R&D capability back up with State-of-the-art equipements and an Energic R&D Team  

4) Work for world-renowned companies like GNC, Shaklee,Nuskin,etc



Product Description


Product name:

Resveratrol 98%



Latin name:Polygonum Cuspidatum Sieb

Main Specifications:

10%,50%,98% resveratrol

Other names:


Part Used:





 Ivory white  powder

Product photos:              


1.Effect on cardiovascular system,Combat heart disease
3. Antibacterial and antifungal
4.Nourish and protect liver
5.Antioxidant and quench free-radicals

Non-Irradiation Statement

This ingredient is not treated by irradiation and ETO

Kosher Status

Kosher KOF-K Parve

Guarantees the nature time

Two years



Brief Introduction of Resveratrol

Resveratrol (3,5,4′-trihydroxy-trans-stilbene) is a stilbenoid, a type of natural phenol, and a phytoalexin produced by several plants in response to injury or, when the plant is under attack by pathogens such as bacteria or fungi.











Brief Introduction of Resveratrol's natural source - Polygonum cuspidatum

Polygonum cuspidatum, synonyms Reynoutria japonica and Fallopia japonica, commonly known as Giant knotweed or Japanese knotweed,is a large, herbaceous perennial plant of the knotweed and buckwheat family Polygonaceae. It is native to East Asia in China,Japan and Korea. In Chinese medicine, it is known as Huzhang (Chinese pinyin: Hǔzhàng), which translates to "tiger stick".In Japanese, the name is itadori.Other English names for Polygonum cuspidatum include Japanese knotweed,Giant knotweed,fleeceflower, Himalayan fleece vine, monkeyweed, monkey fungus, Hancock's curse, elephant ears, pea shooters, donkey rhubarb (although it is not a rhubarb), sally rhubarb, Japanese bamboo, American bamboo, and Mexican bamboo (though it is not a bamboo).

Effects of Resveratrol

Resveratrol is famous for its Cardioprotective effects and protect heart health.According to Wikipedia, moderate drinking of red wine has long been known to reduce the risk of heart disease. This is best known as "the French paradox".The study by Harvard Medical School researchers shows that resveratrol has amazing anti-aging properties.Experts already claim that Resveratrol can help you beat cancer - from brain tumours to breast, colon, prostate cancers and many more. Resveratrol is being studied to see how it affects the initiation, promotion, and progression of cancer. Resveratrol is actually a very popular nutrient that has been shown on Dr. Oz, Oprah, Barbara Walters, and a number of other national television shows. It is quickly becoming one of the country’s best natural supplements.



COA of Resveratrol

AppearanceIvory-white powderGB 5492Complies
OdorLittle odorGB 5492Complies
FlavorLittle smellGB 5492Complies
Particle Size100% pass through 80 mesh sieveCHP2005Complies
Bulk densityReport dataCHP20050.42g/ml
Loss on Drying<5.0%CHP20050.30%
AshReport dataCHP20050.10%
Chemical Tests
Cis-resveratrolReport dataHPLC0.02%
Heavy metals <20ppmCOLORIMETRY CHP2005Complies
Lead   <0.2ppmAFS GB/T 5009.12Complies
Pesticide Residue None detectedGC CHP2005None detected
Microbiological Tests
Total Plate Count<10,000cfu/gCHP2005Complies
Yeast & Mold       <100/gCHP2005Complies
E.Coli                   Negative/gCHP2005Negative/g
Salmonella Negative/gCHP2005Negative/g



Packagaing & Shipping 

Packaging and storage

1) Sample-packing:Good polythelene bag,keep sealing

2) Production-packing:25kg/drum and in paper-drum (D35cm*H51cm) and polyethylene bag inside

3) Storage:Air-tight original sealed container, low relative humidity and dark conditions.                                                      

Lead time 3~5 days after order comfrimation 
Delivery details 

For urgent order and light weight,  choose the following express: UPS, FedEx, DHL, EMS. 

For heavy weight, choose to deliver the goods by air or by sea to save cost.



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