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Polygonum cuspidatum root extract Resveratrol

Resveratrol 1.healthy food,capsules 2.extracted from root of polygonum cuspidatum Sieb. et Zucc. 3.Physical State:white powder 4.Resveratrol>98% HPLC, also has 50% 5.Name: 3,4′,5-Trihydroxy-trans-stilbene;5-[(1E)-2-(4-Hydroxypheny1)etheny1]...