Detailed Product Description Name Soybean ExtractHerb SourceForm the embryo of the Soydean.Active Ingredients Soybean isoflavone, for eaample: daidzin, daidzein, genistin, genistein, glycitin ... , glycitein.Purity Soybean isoflavoen 20%~40%~80% Tested By HPLCStructural FormulaBrief Light yellow ...