It has been cultivated for 5000 years in China since the ancient times. Now widely planted in the country, in the northeast, North China, Shaanxi, Sichuan and the lower reaches of the Yangtze River are produced, in the Yangtze River basin and the southwest of the cultivated more, in the northeast of the best soybean quality. Elliptic, nearly spherical, smooth seed coat, light green, yellow, brown and black and other diverse. The flowering period is from June to July, and the fruit period is from July to September.
| Loss on Drying | 5.0% Max |
| Extract Solvent | Ethanol / Water |
| Appearance | off white powder |
Daidzin | 53.83% |
Glycitin | 14.69% |
Genistin | 12.19% |
Daidzein | 0.50% |
Glycitein | 0.07% |
Genistein | 0.04% |
| Assay | 80%min soy isoflavone |
| Heavy Metals | ≤10.0ppm |
| As | ≤2ppm |
| Pb | ≤2ppm |
| Cd | ≤1ppm |
| Hg | ≤0.1ppm |
| Total Plate Count | ≤1,000cfu/g |
| Yeast & Mold | ≤100cfu/g |
1.Soybean Extract Soy Isoflavones Preventing osteoporosis.
2.Soybean Extract Soy Isoflavones Decreasing cholesterol and reducing the risk of cardiovascular diseases.
3.Soybean Extract Soy Isoflavones reliefing symptom of climacteric syndrome.
1.Soybean Extract Soy Isoflavones Applied in food field,it is widely used as functional food additive and function beverages.
2.Soybean Extract Soy Isoflavones Applied in health product field.
3.Soybean Extract Soy Isoflavones Applied in pharmaceutical field.