... are green, brown or black. Soy isoflavones are naturaly present in the soy bean. The soy bean (Glycine max) has been ... countries, contains valuable constituents, including protein, isoflavones, saponins, and phytosterols. Soy protein provides essential amino acids and can be ... is also low in fat and cholesterol-free. The isoflavones in soy, primarily genistein and daidzein, have been well researched ...