Sweet potato, also known as sweet potato, sweet potato, sweet potato, sweet potato, sweet potato, etc., is an annual plant of convolvulaceae, and is a kind of healthy food for both medicine and food. Sweet potato contains dietary fiber, carotene, vitamins A, B, C, E, potassium, iron, copper, selenium, calcium and other trace elements 10, which has high nutritional value and is called the most balanced health food by nutritionists. Many girls who love beauty feel that sweet potatoes are very sweet, and they are afraid that if they eat too much, they will get fat. Eating sweet potatoes will not only make you fat, but also help you lose weight, keep fit, prevent sub-health, relieve constipation and detoxify. Every100g of fresh sweet potato contains only 0.2g of fat, which generates 99 kilocalories of heat energy, which is about 0//3 of rice/kloc-0. It is a good food with low fat and low heat energy, and at the same time, it can effectively prevent sugar from changing into fat, which is beneficial to weight loss and bodybuilding. Sweet potato contains a lot of dietary fiber, which can not be digested and absorbed in the intestine. It can stimulate the intestine, enhance peristalsis, relieve constipation and detoxify, especially for senile constipation.

Sweet potato is an alkaline food, and like many fruits and green vegetables, it is the most rare. The general food is acidic, such as grain, chicken, duck, fish and so on, and the PH value of human body is 7.34, so eating sweet potato is beneficial to the acid-base balance of human body. Eating sweet potatoes at the same time can reduce blood cholesterol and prevent "modern diseases" such as sub-health and cardiovascular and cerebrovascular diseases.