Sweet potato is rich in protein, fat, polysaccharide, phosphorus, calcium, potassium, carotene, vitamin A, vitamin C, vitamin E, vitamin B1, vitamin B2 and 8 kinds of amino acids.

According to scientists' analysis, its protein content is more than 7 times that of rice; carotene content is 3.5 times that of carrots; vitamin A content is 100 times that of potatoes; sugar, calcium and vitamin B1, vitamin B2 content is higher than that of rice and flour. Each 100g of fresh potatoes edible part of 29.5g of carbohydrates, fat 0.2g, phosphorus 20g, calcium 18g, iron 0.4g.

These substances, to promote human brain cells and secretion of hormone activity, enhance the body's ability to resist disease, improve immune function, delay the decline of intelligence and the aging of the body plays an important role in the Ministry of Health of Japan has listed as an important food for therapeutic purposes.

Expanded

The contraindications of eating sweet potatoes:

1, each time you eat sweet potatoes, it is best to eat in the amount of 3 two or less, because sweet potatoes are easy to make the gastrointestinal tract to produce a large amount of carbon dioxide gas, if you eat too much, it will make the person bloating, hiccups. And it is best not to eat too much on an empty stomach, when consumed on an empty stomach, it is easy to stimulate a large amount of gastric acid secretion, easy to cause abdominal discomfort.

2, eat sweet potatoes to reduce the amount of eating staple food, because sweet potatoes are rich in starch, high calorie, used to partially replace the staple food, in order to play its health effects. Again, gastric ulcer, polyacid chronic gastritis, gastric power is not good to eat less, so as not to aggravate the condition.?

3, if you are worried about eating sweet potato bloating, you can cook it with rice or glutinous rice porridge to drink, can effectively relieve the discomfort.?

Baidu Encyclopedia - sweet potatoes

People's Daily Online - Eat sweet potatoes do not commit three taboo Remember these four points and then eat sweet potatoes