Main nutritional components of soybean
1, fiber (carbohydrate) 22-28%, dietary fiber is beneficial to increase gastrointestinal peristalsis and prevent constipation.
2. Lecithin 2-3%, which has many functions such as hemolysis, reducing blood lipid and protecting liver.
3. Soybean isoflavone 0. 1-0.3% has estrogen-like effect, which can prevent and treat female menopause, delay female aging and treat osteoporosis.
4. Trace elements: calcium 367mg, phosphorus 57 1mg, iron 1 1mg, carotene 0.4mg, thiamine 0.79mg, riboflavin 0.25mg, nicotinic acid 2. 1mg. It also contains lecithin, soybean soaps A, B, C, D, E and other substances.
There are many kinds of bean products, such as soybean milk, tofu, yuba, bean sprouts, etc., and fermented bean products include soybean paste, douchi, stinky tofu, and various fermented bean curd.