Sweet potato is also known as sweet potatoes, sweet potatoes, white potatoes, yams, and because it is introduced from abroad, people also call it sweet potato.

Sweet potato is not only known as a high-yield crop, but also high nutritional value, is a kind of grain and vegetables, young and old savory food. Especially valuable is the lack of carotene and vitamin C in flour, rice in the lack of iron, calcium, carotene and vitamin C, in the sweet potato in the content are more abundant.

Sweet potato is one of the earliest human cultivation crops, according to evidence, the world planted sweet potato has eight thousand years of history. Later, with the interaction of human beings, sweet potato was gradually spread to all over the world.

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Nutritional value of sweet potato

Sweet potato contains a variety of nutrients that the human body needs. Every 500 grams of sweet potato can produce about 635 kcal of calories, containing 11.5 grams of protein, sugar 14.5 grams, 1 gram of fat, phosphorus 100 mg, calcium 90 mg, iron 2 grams, carotene 0.5 mg, and contains vitamin B1, B2, C and niacin, linoleic acid. The content of vitamin B1 and B2 is 6 times higher than that of rice and 3 times higher respectively.

Sweet potatoes in particular are rich in lysine, while rice, flour is precisely the lack of lysine. But many hair people have not realized. Eating sweet potatoes will not 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. It contains a very low calorie content, much lower than the average rice, so do not have to worry about getting fat after eating, but can play a role in weight loss. Sweet potato also contains a substance similar to estrogen, to protect human skin, delay aging has a certain role.

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