Black soybean is the black seed of Soybean (Glycine max (L.) Merr.). The protein content of black bean is 36%, which is easy to digest, which is of great significance to meet the needs of human body for protein; the fat content is 16%, mainly containing unsaturated fatty acids, and the absorption rate is as high as 95%. In addition to meeting the needs of human body for fat, it also has the effect of reducing blood cholesterol; Black beans are rich in vitamins, yolk, melanin, lecithin and other substances. Onder hen, B vitamins and vitamin E are very high, which has the function of nutrition and health care. Black beans are also rich in trace elements, which are essential for maintaining the integrity of body function, delaying body aging, reducing blood viscosity, and meeting the brain’s demand for trace substances.
