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Anti Oxidation Natural trans Resveratrol 98, 99% powder from Root of Giant Knotweed

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Anti Oxidation Natural trans Resveratrol 98, 99% powder from Root of Giant Knotweed

Country/Region china
City & Province shenyang liaoning
Categories Oil Seeds

Product Details

Anti Oxidation Natural trans Resveratrol 98, 99% powder from Root of Giant Knotweed


Product Basic Information:

Product NameResveratrol (trans-resveratrol)
SourcePolygonum Cuspidatum L. Extract
Latin NameRhiaoma Polygoni Cuspidati
Part UseRoot
Extraction MethodWater & Ethanol

50%, 98%, 99%

10% Water soluble

Test MethodHPLC
AppearanceBrown to white / off white fine powder
Packing size

25kg/drum, 1kg/bag

Shelf Life2 years
Country of OriginChina


Typical Certificate of Analysis of Resveratrol 99% HPLC:

ProductPolygonum Cuspidatum ExtractPart Used: Root
Latin NamePolygonum cuspidatum SiebMethod: Water&Ethanol
AsssayResveratrolSpecificationMin. 99% by HPLC 
Reference no.0118OriginChina 
Batch no.20170901Batch Qty100kgs 
MFG Date2017.09.01Expiry Date2019.08.31 
ItemsSpecificationResultTest Methods
ResveratrolMin. 99%99.1%HPLC
AppearanceWhite fine PowderWhite fine powderVisual
Particle Size100% pass 80 mesh100% pass 80 mesh80 mesh Screen
Loss on Drying≤0.5%0.18%5g/105℃/2hrs
Sulphated Ash≤0.5%0.08%2g/525℃3hrs
Heavy Metals<10ppm<10ppmColorimetry
Lead (Pb)<1ppm<1ppmAFS
Arsenic (As)<1ppm<1ppmAFS
Cadium (Cd)<1ppm<1ppmAFS
Mercury (Hg)<0.5ppm<0.5ppmAFS
Loose DensityNLT20.0g/100ml29.7g/100mlUSP<616>
Tapped DensityNLT 40.0g/100ml43.5g/100mlUSP<616>
Microbiological Control 
Total Plate Count1000cfu/gCompliesCP2005
Solvent ResidueUSP standardCompliesGC
PesticidesUSP standardCompliesGC
Solvent UsedEthanol/Water/Ethyl AcetateCompliesGC
Packing25kg/drum, total 4 drums.
StorageKeep in cool dry place, avoid sun and heat.
Shelf Life2 years from original packing condition.
Operator: Jin Xuejun                   Checking: Qi Binbin                   Approval: Yang Qinglai

Plant Source Info:

Polygonum Cuspidatum L.; Fallopia japonica, synonym Reynoutria japonica, commonly known as Asian knotweedor Japanese knotweed,s a large,herbaceous perennial plant of the knotweed and buckwheat family Polygonaceae. It is native to East Asia in Japan, China andKorea. In North America and Europe the species is very successful and has been classified as an invasive species in several countries.In the UK and Australia, it is illegal to have any of this species growing on one's property.


Japanese knotweed has hollow stems with distinct raised nodes that give it the appearance of bamboo, though it is not closely related. While stems may reach a maximum height of 3–4 m (9.8–13.1 ft) each growing season, it is typical to see much smaller plants in places where they sprout through cracks in the pavement or are repeatedly cut down. The leaves are broad oval with a truncated base, 7–14 cm (2.8–5.5 in) long and 5–12 cm (2.0–4.7 in) broad,[6] with an entire margin. Theflowers are small, cream or white, produced in erect racemes 6–15 cm (2.4–5.9 in) long in late summer and early autumn. English names for Japanese knotweed include 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). In Chinese medicine, it is known as Huzhang (pinyin:Hǔzhàng), which translates to "tiger stick".


Resveratrol Info:

Resveratrol (3,5,4′-trihydroxy-trans-stilbene) is a stilbenoid, a type of natural phenol.

CAS No.: 501-36-0

Molecular Formula: C14H12O8

Molecular Weight: 228.2

Solubility: Soluble in diethyl ether, Chloroform,Alcohol ,Acetone


Applications Reference: 


Heart diseases



Improve memory

Senile dementia


Dietary Supplement:

Cancer prevention and treatment

Prevent tumor growth

Prevent cardiovascular diseases

Prevent brain decline

Treat Senile dementia





Weight Lossing





Skin Moisturizing & Whitening

Protect UV radiation

protect skin cells against free radical damage


10% Water soluble, specifically for Nutritional Drinks


Resveratrol (Giant Knotweed Extract) is used by some brands.(For Reference Only)


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