Soybean isoflavone is a kind of substance whose biological activity is similar to phyestrogen.Isoflavone is derived from soybean,it mainly includes genistein, glycitein and daidzein.

• 大豆异黄酮是一类具有植物雌激素活性的物质,它主要包括为染料木素,大豆黄素,黄豆黄素。