1, sweet potato is good for the heart.
Sweet potato is rich in potassium, beta-carotene, folic acid, vitamin C and vitamin B6, all of which help to prevent cardiovascular diseases. Potassium contributes to the balance of liquid and electrolyte in human cells and maintains normal blood pressure and heart function. β -carotene and vitamin C have the effects of anti-lipid oxidation and prevention of atherosclerosis.
2. Sweet potato has antidiabetic effect.
Eating sweet potato can also reduce the levels of triglycerides and free fatty acids in diabetic rats; It is suggested that sweet potato with white skin has certain anti-diabetic effect. A clinical study at the University of Vienna in Austria found that insulin sensitivity of patients with type 2 diabetes mellitus was improved after taking sweet potato extract, which helps to control blood sugar.
3, sweet potato to prevent emphysema
An animal experiment at the University of Kansas in the United States found that the level of vitamin A in smoking rats was low and emphysema was easy to occur. However, the incidence of emphysema in smoking rats fed with foods rich in vitamin A decreased significantly. Why some long-term smokers live to be over 90 years old without suffering from emphysema may be related to the rich vitamin A content in their daily diet.
Researchers suggest that smokers or passive smokers should eat some foods rich in vitamin A every day, such as sweet potatoes, to prevent emphysema.
4. Sweet potato has anticancer effect.
The most anticancer nutrients in the diet are β -carotene (the precursor of vitamin A), vitamin C and folic acid, and the contents of the three are rich in sweet potatoes. A small sweet potato (about 2 times) can provide twice as much vitamin A, one third of vitamin C and about 50 micrograms of folic acid as the human body needs every day.
The content of dietary fiber is higher than a bowl of oatmeal. The antioxidant effects of β -carotene and vitamin C are helpful to resist the damage of oxidative stress to genetic material deoxyribonucleic acid (DNA) and play a certain anti-cancer role. Eating sweet potatoes regularly helps to maintain the normal folic acid level of the human body, and low folic acid content in the body will increase the risk of cancer. Sweet potato has high dietary fiber content, which can promote gastrointestinal peristalsis and prevent constipation and colorectal cancer.
5, sweet potato has a weight loss effect.
Many girls who love beauty think sweet potatoes are sweet, and they are afraid of getting fat if they eat too much. However, the research shows that sweet potato is a low-fat and low-calorie food, and it can effectively prevent sugar from turning into fat, which is beneficial to losing weight and bodybuilding, preventing sub-health and relaxing bowels.
6. Sweet potato is longevity food.
China has two longevity towns. The reason is that farmers in the two places often take sweet potatoes as their staple food. At present, Japan, the United States and other countries have used sweet potatoes as supplementary food for infants; Sweet potato contains a substance similar to estrogen, which has a certain effect on protecting human skin and delaying aging.
Don't make three taboos when eating sweet potatoes.
1, the amount of sweet potato should be less than 3 Liang at a time, because sweet potato is easy to produce a lot of carbon dioxide gas in the gastrointestinal tract. Eating too much will make people feel bloating and burping. And it is best not to eat too much on an empty stomach. When eating on an empty stomach, it is easy to stimulate gastric acid secretion and easily cause abdominal discomfort.
2. Reduce the amount of staple food after eating sweet potato, because sweet potato is rich in starch and high in calories, which can be used to partially replace staple food to play its health care role. Thirdly, people with gastric ulcer, chronic gastritis, acidity and poor gastric motility should eat less, so as not to aggravate the condition.
3, if you are worried about eating sweet potato bloating, you can cook porridge with rice or glutinous rice, which can effectively relieve discomfort.
The above contents refer to People's Daily Online-Six magical effects of sweet potato? Conducive to the heart to prevent emphysema
Refer to People's Daily Online-Three Taboos for Eating Sweet Potato? Remember these four points before eating sweet potatoes. When is the best time for your health?