1, poultry food and fish food

Poultry food contains 25% protein, which is similar to human tissue structure and has high utilization rate, such as quail meat, chicken meat and duck meat. Fish contains 20% protein. Fish's muscle fiber is short and rich in water content, which is easy to be digested and absorbed. Protein is abundant in all kinds of deep-sea fish.

2. Eggs and milk

There are 3.3% protein in milk and goat milk, mainly lactoglobulin and casein, so it is high-quality protein, which is easily digested and absorbed by human body. In addition, all amino acids are complete and can provide a lot of calcium for the body.

Egg food contains 65,438+05% protein, mainly whey protein and ovalbumin, especially egg yolk contains a high content of protein, but the amount of taking egg yolk should not exceed two a day.

3. Meat and beans

Meat contains 20% protein, and protein contains essential amino acids. The variety is complete and the quantity is sufficient. It belongs to high-quality protein, and you can choose lean pork, beef and dog meat. Protein content in beans is very high,

Soybean contains 40% protein and is rich in amino acids, but it lacks methionine. If beans are mixed with cereals, their utilization rate can be improved, such as soybean milk, soybeans or black beans.

4. nuts and grains

Nuts are rich in vitamins, protein, minerals and oils. Eating more nuts can promote growth, improve resistance and immunity and prevent diseases.

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