Yes, sweet potatoes are low in calories and quite full. Whether it is a staple food or a non-staple food, it is a good diet food. Friends, don't think sweet potato is sweet, just think it has high sugar content! Let's take a look at the nutrition table of sweet potato. Every 100g sweet potato contains only 0.2g fat, which is 1/4 of that of rice. Therefore, sweet potato is the best among low-calorie and low-fat foods. In addition, sweet potato also contains balanced nutrients. Such as vitamins A, B, C, cellulose and potassium, iron, copper and other trace elements 10, in which cellulose can stimulate intestinal peristalsis and promote smooth excretion. At the same time, because the fiber structure can not be absorbed in the intestine, it has the special function of preventing sugar from becoming fat. Therefore, nutritionists call sweet potato the most balanced healthy food and the most ideal and cheapest diet food. 100g sweet potato contains 72.8g of water, 0.7g of protein/kloc-0, 0.2g of fat, 24.3g of carbohydrate, 3.0g of cellulose, 22.7mg of vitamin C, 0.3mg of vitamin E, 22mg of calcium and 204mg of potassium.