Detailed Product Description Describe: Extracted and isolated from FlowerBotanical Source: Trifolium pratense L. leaves or flowers Appearance: Brownish-green fine powderSolubility: Soluble in methanol, ethanol, acetone etc; Active ingredient: IsoflovoidsContent: 20%, 40%, 60%Measure Method: HPLC.Storage: Store in cool & dry place, keep away from strong light and heat.Package: 1kg/bag, 25kg/drum ...