According to the current diet structure, potatoes are mostly eaten as vegetables in China. We generally refer to steamed bread, noodles, rice and jiaozi as staple foods, which are the main sources of our energy. Because these are all processed from rice, wheat and corn, and starch (carbohydrate) is the main component. So when we talk about staple food, we generally mean the forms and types of physical objects, such as steamed bread, noodles, rice and jiaozi. In fact, according to the processing materials, besides rice, wheat and corn, potatoes and sweet potatoes are also staple foods, and some classifications classify beans (rich in protein) as staple foods.

Nutritional value of potatoes;

1, rich in radish: the vitamin content of potatoes is twice that of carrots, three times that of Chinese cabbage and four times that of tomatoes, and the vitamin C content is the highest among vegetables.

2, low fat content: eat potatoes without worrying about excess fat, because it only contains 0. 1% fat, which is the lowest fat content in all hungry foods.

3. protein is rich: In addition to protein, potatoes are also rich in carbohydrates, up to 16.8 grams per 100 grams, and rich in vitamin C, vitamin A, vitamin B 1B2 and minerals such as calcium, phosphorus and iron. At the same time, it also contains vitamin B6, which can prevent arteriosclerosis.

4, potato skin is rich in nutrition: potato skin contains a lot of vitamins and potassium, peeling and eating will lose some nutrition. Related research shows that the vitamin content under the potato skin is as high as 80%, which is much higher than that in the meat inside the potato.

5, promote digestion: potatoes contain a lot of starch and protein, B vitamins, vitamin C and so on. It can promote the digestive function of the spleen and stomach.

6. High-quality cellulose: it can provide a lot of nutrition for intestinal microorganisms in the intestine and promote the growth and development of intestinal microorganisms. At the same time, it can also promote intestinal peristalsis, maintain intestinal moisture, prevent constipation and prevent cancer.