Purple potato is also a kind of sweet potato. Sweet potato contains a lot of starch and sugar, which has the functions of nourishing the middle energizer, promoting blood circulation, warming the stomach and nourishing the five internal organs. You can eat at any time, but don't eat too much at any time In the past, there was a shortage of food in the countryside. Only in the sweet potato harvest season can we eat enough sweet potatoes. Some people "send sweet potatoes", which means to get fat and gain weight. So sweet potato is not a diet food. If you want to lose weight, you should eat less and eat more melons such as melon, pumpkin and cucumber.

Sweet potato, also known as sweet potato, sweet potato, sweet potato and so on. Sweet potato contains many nutrients needed by human body. Every 500 grams of sweet potato can generate about 635 kilocalories, including protein 1/kloc-0.5 grams, sugar 14.5 grams, fat1gram, phosphorus 100 mg, calcium 90 mg, iron 2 g and carotene 0.5 mg.

The contents of vitamin b 1 and b2 are 6 times and 3 times higher than those of rice, respectively. In particular, sweet potatoes are rich in lysine, while rice and flour just lack lysine.

But many people haven't realized it yet.

Whether eating sweet potatoes can make people fat. According to scientific research, eating sweet potatoes will not make people fat. On the contrary, sweet potato is an ideal diet food. ?

Its calories are very low, much lower than ordinary rice. You don't have to worry about getting fat after eating it, but you can lose weight. Sweet potato also contains a substance similar to estrogen, which has a certain effect on protecting human skin and delaying aging.

So many foreign women regard sweet potato as beauty food. ?

Sweet potato is crisp and sweet when eaten raw, which can replace fruit; Cooked food is sweet and soft. Eating it in your mouth is sweet in your heart. It can be used as both staple food and vegetable. There are many methods of steaming, boiling, frying and frying. Once cooked skillfully, it can also become delicious on the table.

Sweet potato not only has high nutritional value, but also tender stems and leaves are nutritious fresh vegetables. The protein content of sweet potato stems and leaves is 10 times higher than that of spinach, spinach and other vegetables, and the contents of vitamin C, vitamin b2, calcium, iron and magnesium are higher than that of ordinary vegetables.

How to eat the tip of the stem: stir-fry, stir-fry with meat, stew chicken or blanch it with boiling water and then cold mix, which tastes better than beans and celery. In Hong Kong and Guangzhou, dishes are called longevity dishes, Japanese Sichuan dishes and health tips. Especially for diabetics.