Check the answers and analyze the correct answer 1. protein

Beans are foods with high content in protein, accounting for 20% ~ 36%; Protein of beans is composed of globulin, albumin, glutenin and gliadin, among which globulin content is the highest. Protein contains all the amino acids needed by human body, which is a complete protein with less lysine and methionine.

2. Lipids

Soybean has the highest fat content, above 15%. Most of the components of fat are unsaturated fatty acids. Because soybean is rich in unsaturated fatty acids, it is an ideal food for patients with hypertension, atherosclerosis and other diseases.

3. carbohydrates

The composition of soybean carbohydrates is complex, mostly cellulose and soluble sugar; The dietary fiber content of bean products is less, mostly lower than 1%.

4. vitamins

Beans contain carotene, vitamin B 1, vitamin B2, nicotinic acid, vitamin E and so on. Compared with cereals, the content of carotene and vitamin E is higher. Dried beans contain almost no ascorbic acid, but the content increases obviously after germination.

5. minerals

Bean minerals include potassium, sodium, calcium, magnesium, iron, zinc and so on. Compared with cereals, the content of calcium, potassium and sodium is higher, but the content of trace elements is slightly lower than that of cereals. Soybean is rich in iron.

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