1, soybean, also known as soybean, is rich in nutrition. Protein content is generally 35 ~ 40%. Fat content is also very rich.

The protein content of 1 kg soybean is equivalent to 2 kg lean meat or 3 kg eggs or 12 kg milk, so soybean has the reputation of "plant meat" and "green cow".

The collocation composition of protein is close to the needs of human body, belonging to the complete protein, in which lysine content is more. When mixed with grain lacking lysine, it can supplement protein.

2. The fat content is 15 ~ 20%, mostly unsaturated fatty acids, of which oleic acid accounts for 32 ~ 36%, linoleic acid accounts for 5 1.7 ~ 57.0%, linolenic acid accounts for 2 ~ 10%, and phospholipids account for about1.64.

Because soybeans are rich in unsaturated fatty acids. Therefore, it is recommended by nutritionists as an ideal food for preventing and treating coronary heart disease, hypertension and atherosclerosis.