1. Milk is rich in protein, fat, vitamins, minerals and other nutrients. Milk protein contains essential amino acids; Milk fat is mostly short-chain and medium-chain fatty acids, which are easily absorbed by the human body; Potassium, phosphorus, calcium and other minerals have a reasonable proportion and are easily absorbed by the human body.

2. Pork is sweet and salty, and is rich in nutrients such as protein, fat, carbohydrate, calcium, iron and phosphorus. Pork is the main non-staple food in daily life, which has the functions of tonifying deficiency, strengthening body, nourishing yin and moistening dryness, strengthening muscles and caring skin.

3. Soybean is rich in protein and fiber. It is native to China, cultivated all over China and widely planted all over the world. Soybean is one of the important food crops in China, which has been cultivated for 5000 years.

carbohydrate

1, the fruit of rice is rice, which is called brown rice after hulling, and brown rice can be obtained by grinding off the rice bran layer. Nearly half of the world's population lives on rice. In addition to being edible, rice can also be used as industrial raw materials for wine making and sugar making, and rice husk and straw can be used as livestock feed.

2. Corn is a high-yield food crop in China. Corn is an important feed source for animal husbandry, aquaculture and aquaculture, and it is also one of the indispensable raw materials for food, medical care, light industry and chemical industry.

3. Watermelon is cultivated in all parts of China, with various varieties, exocarp, pulp and seed shapes, especially in Xinjiang, Lanzhou, Gansu, Dezhou, Shandong and Dongtai, Jiangsu. Its original species may come from Africa, widely cultivated in tropical to temperate regions of the world, and then introduced to China.

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