Lipoxygenase inhibitor; polyphenol-bearing o-dihydroxy (catechol) structure. Inhibitor of broad bean lipoxygenase. The oxidation product from Resveratrol showed a high inhibitory activity, whereas Resveratrol itself had no activity and its oxidation efficiency was low.Solubility (C=5% in Ethanol):Colorless to slightly hazyInfrared Spectrum:Conforms to structureTurbidity (C=0.5% in Ethanol):≤2NTU (C=0.5% in Ethanol)Loss on Drying:≤0.5%Melting Point: 183-191ºCStorage and Stability: Lyophilized powder may be stored at 4°C. Stable for 12 months after receipt.