resveratrol 20% resveratrol 80%,China HUIXIN price supplier

 product name:resveratrol/Polygonum cuspidatum P.E

Original Plant:Root of Polygonum cuspidatum Sieb. et Zucc

Specification:10%~98% Resveratrol

Appearance:Greyish white fine powder

Test Method:HPLC                    

Molecular Formula:C14 H12O3

Molecular Weight:228.25

CAS No.:501-36-0

25 kg/barrel or according to the customer reques