Product:Polydatin(Piceid) Used Part: Root of Polygonum cuspidatum sieb.et zucc. Appearance: White fine powder Assay: (by HPLC) 99% Molecular Formula: C20H22O8 Molecular Weight: 390.40 Pharmacology: Anti-bacterial function and Anti-virus function ially using in curing the lightly or moderate older stupid sickness.
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