polygonum cuspidatum extract resveratrol
Spec: 5%-98% resveratrol
Color: Light Brown or White Powder
used part: Stem&Root
Min.Order Quantity: 1 Kilogram/Kilogram

factory supply high quality pure natural polygonum cuspidatum extract resveratrol

we are a manufacturer of herb extract in China. was specificated in this line for 17 years. it's our key product.

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product introduce:

Polygonum Cuspidatum P.E. (CAS No:501-36-0)

Latin Name :Polygonum cuspidatum Zucc.
Botanical Source: Polygonum cuspidatum Zucc.
Part Used :Stem&Root
Appearance: Light Brown or White Powder
Active Ingredient : Resveratrol
Specification: Resveratrol 5%-98%
Test Method: HPLC
Molecular Formula: C14H12O3
Molecular Weight:228.24

Product Description:
Resveratrol (trans-3,5,4'-trihydroxystilbene), belongs to a class of polyphenolic compounds called stilbenes , can inhibit the oxidation of low-density lipoprotein(LDL).


1.Have the function of anti-bacteria, anti-hyperoxidation of lipid, anti-cancer, anti-aggregation of PLT.
2.To prevent and treat heart disease.
3.To relax the blood vessels,decrease blood lipid.
4.To against induced degeneration.

Applicable Industries: Medicine,Functional Food,Beverage & Food,Cosmetics

testing index:
Loss on drying : 5% Max
Ash : 5% Max
Heavy metal : 10ppm Max
Pb: 2ppm Max
As: 1ppm Max

Microbiological Control :
Total Plate Count: <1000CFU/g
Yeast & Mold: <100CFU/g
E.Coli: Negative
Salmonella: Negative


Package: 1 kg/vacuum aluminum foil bag , 25 kgs/fiber drum or at customer’s request.

Storage: Store in a cool, dry place and keep away from direct strong light.

Shelf Life:2 years

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HongDa US Warehouse 01.jpg

Why choose Shaanxi HongDa Phytochemistry Co.,Ltd.?

We have our own factory, 2 manufacturehouses.

Was specificated in this line of herb extractmanufacture for 17 years.

Professional technology, R&D team

Strict quality test system

10 years sales experience in Americas andEuropean, Southeast Asia, Middle East markets etc.

our Own US Warehouse in Ontario.


Web:www.hongdaherb.comShaanxi HongdaPhytochemistry Co., Ltd.


Tel:86-29-87801888, 86-13572180216 ( Jane Jiang )

What's App/Wechat:86-13572180216

QQ: 1050790939

Block D, Haibo Plaza, Fengcheng Ninth Road, Weiyang District, Xi'an City, Shaanxi Province. 710018
CONTACT PHONE 029-8780 1888