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English name: Polydatin
Latin Name: Polygonum cuspidatum
Specification: 98% Polydatin
Use Part : Herb
Appearance: white fine powder
Mesh size: 100% pass 80 Mesh
Test Method: HPLC

What is Polydatin ?

Giant knotweed extract polydatin is the glycoside of resveratrol originally isolated from the Chinese herb Polygonum cuspidatum. The polydatin has been shown to inhibit platelet aggregation and elevate the ratios of LDL-C/HDL-C and TC/HDL-C. Myocardial cell, white blood cell, vascular smooth muscle cell, and endothelial cell studies report that polydatin can inhibit ICAM-1 expression, elevate Ca2+, weaken white blood cell-endothelial cell adhesion, and activate KATP channels.



1. Antibacterial, antithrombotic, antiinflammatory and antianaphylaxis

2. Preventing cancer, especially breast cancer, prostate cancer, endometrial cancer and ovary cancer, due to its estrogen role.

3. Antioxidation, delaying aging, preventing osteoporosis, acne(whelk) and dementia in the elderly.

4. Lowering cholesterin and the blood viscosity, reducing the risk of arteriosclerosis, cardio-cerebrovascular disease and heart disease

5. Owning good efficacy for treatment of AIDS


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Item name

Polygonum cuspidatum extract




White crystalline powder

Part of used


Test Method      


Active ingredient


Specs Available




Molecular Weight


Molecular Formula


Sulphated Ash


Loss on drying 


Total Plate Count













Shelf life

2 years


25kg/fiber drum


Store in cool and dry places. Keep away from strong light.




White powder





Mesh size

Pass 80 mesh

Loss on drying


Heavy metals








Total Plate Count


Yeast & Mold








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