Soy Isoflavones From Soybean Supplemental Estrogen Daidzein

Soy isoflavones are flavonoids, is a type of secondary metabolites formed in soybean growth, is a bioactive substance. Because of it extracted from plants, and estrogen has a similar structure, so soy isoflavones, also known as phytoestrogens. Isoflavones are a weak plant female planter by planning economic hormones, soybeans are the only effective source of human isoflavones.