Product Name: Soybean Extract, Soybean Isoflavones Place of Origin: Shaanxi, China (Mainland) Part Used: Bean Appearance: Yellow to Off-white Powder Extraction Type: Solvent Extraction Specification: Isoflavone, 20%,40%,60%,80% Soy isoflavone is constituents of soybeans, a legume that has served as the basis for various foods in many countries. It is an important physiological activities with a variety of natural nutritional factors, Soyfoods also contain other valuable constituents, including protein, saponins, and phytosterols.