Such as grass carp, bream, triceratops, red-eyed trout, etc. , mainly feeding on aquatic plants; Silver carp and bighead carp that feed on plankton; Omnivorous carp, crucian carp, etc Others, such as flowering mackerel, Darth's snake, silver snakehead, striped fish, rod fish, eel, eel, loach, catfish and common fierce fish such as snakehead, mandarin fish and mandarin fish; In addition, there are gentle carnivorous fish, such as red fish, Mongolian red fish, herring and so on.

Step 2: eggs

Eggs are eggs discharged by birds. People often eat chicken, duck, goose, pigeon eggs and quail eggs. Eggs are natural foods with high nutritional value. Among them, the composition of protein amino acids is the closest to human needs, and its biological value is also the highest. The protein content of duck eggs is not as good as that of eggs, but the content of carbohydrates and iron is relatively high, which is more suitable for the elderly.

3. Chicken

Chicken is delicious and nutritious. Most of the nutrients in chicken are protein and fat, but chicken lacks calcium, iron, carotene, thiamine, riboflavin, nicotinic acid, various vitamins and crude fiber. If you take chicken as the staple food for a long time and don't eat other fruits, vegetables and grains, it will easily lead to sub-health.

4. Pork

Pork tastes sweet and salty, has a flat nature, enters the spleen, stomach and kidney meridians, tonifies the kidney and nourishes blood, nourishes yin and moistens dryness; Indications are fever, body fluid injury, thirst, emaciation, kidney deficiency, postpartum blood deficiency, dry cough, constipation, tonic, nourishing yin and moistening dryness, nourishing liver and yin, moistening skin, relaxing bowels and quenching thirst. Pork soup can make up for irritability, dry cough, constipation, dystocia and other symptoms caused by insufficient body fluid.

5. Beef

The content of sarcosine in beef is higher than any other food, which is especially effective for muscle growth and strength enhancement. In the first few seconds of training, sarcosine is the source of muscle fuel, which can effectively supplement adenosine triphosphate and make the training last longer.

Cereals and potatoes are important energy sources for China people's democracy. Every meal is inseparable from rice, steamed bread, pies, noodles or other cereal and potato products. In rural areas, these grains account for more than 80% of the energy provided by residents for three meals a day, while urban residents also account for more than 50%.

Staple food refers to the food that constitutes the main energy source of local residents, which is cereal crops for us in China. For example, rice, white flour, corn and its products, and potatoes are also part of the staple food in some places.

Rice, noodles and other staple foods rich in carbohydrates are regarded as "enemies" of the body, especially after exercise and fitness. Actually this is very wrong. "In the exercise and dietary nutrition supplement, in addition to the right amount of protein, fat and water, the most important thing is carbohydrate supplement."

Cao Jianmin said that according to the latest edition of the Dietary Guidelines for China Residents, the appropriate dietary energy recommended by WHO is: 55%~65% of energy comes from carbohydrates; Energy from fat is 20% ~ 30%; The energy from protein is 1 1%~ 15%. During exercise, the body mainly relies on carbohydrates to provide energy, maintain exercise intensity and provide energy for muscles and brain.

Baidu encyclopedia-staple food