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Polygonum cuspidatum extract

This product is extracted from dried root of Polygonum cuspidatum Sieb. et Zucc, Reynoutria japonica Houtt, Polygoni Cuspidati Rhizoma Et Radix by water and ethanol.

Active ingredients: resveratrol,polydatin,emodin,quercetin,protocatechinoc acid

Specification:

Resveratrol: 50%~98% by HPLC

Emodin: 50%~98% by HPLC

Appearance: Brown to yellow or off-white powder

Test Standard: CP2020

Composition: 100% natural extract , Non-irradiation, Non-GMO

Other test details , please email us for COA.

Packing:25KG/drum or 1KG/bag

Shelf time: 2years