Sweet potato, a kind of delicious food common to people living in the street, can see vendors of roasted sweet potatoes on the street, when everyone knows? If you see sweet potatoes baked in discarded petrol cans, it is best not to eat, it may contain A lot of substances that are harmful to the human body, then we all know what is the harm of baking sweet potatoes with waste paint barrels? What are the functions and effects of sweet potatoes? The following Xiao Bian will tell you about the practice of sweet potatoes. There are many ways to use sweet potatoes, such as steamed food, boiled food, grilled food, etc. Many people like to eat roasted sweet potatoes. However, Xiaobian recommends that sweet potatoes baked in waste paint buckets should not be eaten. May contain harmful carcinogens. Because these barrels of roasted sweet potatoes are generally modified with iron barrels, there is no way to ensure its safety, because most of the iron barrels were originally used for gasoline, diesel, paint and other chemical raw materials. After the conversion, sweet potatoes baked with it are likely to contain carcinogenic substances that are harmful to their health. This type of iron drum is susceptible to residual hazardous substances such as benzene and arsenic. Benzene is volatile and easily diffuses. Inhalation of large quantities of benzene into the body, or in contact with the skin, can cause acute and chronic benzene poisoning. Long-term inhalation can invade the human nervous system. Acute poisoning can cause neural paralysis or even coma and death. The long-term low-dose intake of arsenic for arsenic to a certain extent will lead to slow neurasthenia, manifested as multiple neuritis, dullness, numbness of the extremities, and even a sense of insensitivity, difficulty in exercising, disorders of movement, etc. Cause cancer. During the baking process, these harmful substances will be released as the temperature rises. They will enter the baked sweet potatoes and cause great harm to the health of the human body. Although they are not felt at the time, they are not We can assure you that regular eating of such sweet potatoes will not affect our health. However, some young friends still like to eat such "roasted sweet potatoes", then give everyone some "food" recommendations. 1 If you think that roasted sweet potatoes like this are fragrant, then it is recommended that you eat less. All good foods are recommended to have a limit of quantity and satisfy their desire for food. 2 It is advisable to make sweet potato foods at home and use healthy cooking methods. Steaming and cooking are good choices, especially for the elderly. If you really like to eat sweet potatoes that are "roasted", it is recommended that you make them in your own oven. Therefore, there is nothing wrong with sweet potato, but it is just a matter of production methods and utensils. Therefore, it is best that everyone can still cook delicious sweet potatoes in home ovens or microwave ovens, and eating more sweet potatoes will also have great benefits for the human body. Let's take a look together. The effect and function of sweet potato Weight loss bodybuilding Each 100 grams of fresh sweet potato contains only 0.2 grams of fat, which produces 99 kcal of calories, which is about one-third of that of rice. Therefore, it is a good low-fat, low-calorie food. If it is used as a staple food, it can effectively reduce the amount of other foods. Food intake, and then achieve the effect of weight loss. In addition, sweet potatoes can effectively prevent sugar from becoming fat, which is good for bodybuilding. Beauty beauty Sweet potato contains estrogen-like substances that have the function of keeping the skin delicate, reducing the accumulation of subcutaneous fat, emollient, anti-wrinkle, and beauty. Longevity Sweet potatoes contain many vitamins, proteins, lysine and other nutrients can improve the body's immune system, are the treasure of longevity, can make people prolong life. Prevent constipation Sweet potatoes are also rich in dietary fiber, and vitamins are particularly abundant. After entering the intestines, they can clean up the waste in the intestine, collect toxins and waste, and allow them to be excreted smoothly, effectively preventing colorectal cancer, promoting intestinal health, and enhancing Immunity. Spleen and stomach Nature, sweet, Spleen Qi. The "Supplement to Outlines" records its "Buzhong, Nuanwei, Feiwu Dirty." Tianhan consumption, righteous Yangwei, food to the plot, and can bowel weight loss. Blood supplement Red sweet potato with red heart, it is qi and blood, the effect can be compared with jujube, and there is no jujube so easy to produce hot and humid. People who are pale and insist on eating this sweet potato for a long time can improve facial color. hypotensive The auxiliary antihypertensive effect of sweet potato was mainly attributed to the rich potassium. Because potassium and sodium are important elements influencing blood pressure, if the body's intake of potassium is sufficient, it will promote the excretion of excess sodium; the consumption of potassium-rich foods will also promote the balance of minerals in the body, and finally To a certain auxiliary antihypertensive effect. Prevent heart disease Sweet potatoes are rich in potassium, beta-carotene, folic acid, vitamin C, and vitamin B6. These five ingredients help prevent cardiovascular disease. Potassium helps balance fluids and electrolytes in human cells, maintaining normal blood pressure and heart function. Beta-carotene and vitamin C have anti-lipid oxidation and prevent atherosclerosis. Supplementation of folate and vitamin B6 helps reduce blood homocysteine ​​levels, which damage the arteries and are an independent risk factor for cardiovascular disease. Improve immunity Sweet potato contains a large amount of mucin that can prevent the atrophy of the connective tissues of the liver and kidneys, improve the body's immunity and prevent the occurrence of collagen diseases. The calcium and magnesium contained in sweet potato can prevent osteoporosis. The nutritional value of sweet potato 1. Sweet potato contains dietary fiber, carotene, vitamin A, vitamin B, vitamin C, vitamin E, and more than 10 trace elements such as potassium, iron, copper, selenium, and calcium. High nutritional value, nutritionists have called the most balanced health food. 2. It is particularly rich in beta-carotene, vitamin E and vitamin C. In particular, sweet potatoes are rich in lysine, and rice and flour lack lysine. Sweet potato mixed with rice noodles can get a more comprehensive protein supplement. In terms of overall nutrition, sweet potatoes are among the best in food and vegetables. Europeans and Americans praise it as the second bread. The former Soviet Union scientists said it is the future of space food, and the French called it a well-deserved senior health food. 3. Each 100 grams of fresh sweet potato contains only 0.2 grams of fat, which produces 99 kcal calories, which is about 1/3 of rice. It is a good low-fat, low-calorie food. 4. Sweet potatoes contain a substance similar to female hormones, which has a certain effect on protecting human skin and delaying aging. Sweet potato purchase 1. Pick spindle-shaped sweet potatoes first. 2. The surface looks smooth, rotten sweet potato does not pick toxic. 3. Smells no musty, moldy sweet potatoes contain ketone toxin, inedible. 4. Do not buy red with black or brown spots on the epidermis. 5. Sprouted sweet potatoes, although not as toxic as potatoes, have poor taste. Sweet potato storage 1. Should not be put together with potatoes, the two are jealous. It's not sweet potato, it's the potato sprouting. 2. Keep dry and should not be placed in plastic bags. Sweet potatoes can not only be roasted, but there are many other ways to eat, and the taste is also very good. Here we will introduce how to make several sweet potatoes. I hope everyone can like it. Consumption of sweet potatoes 1, gastrointestinal discomfort is not suitable for human consumption Sweet potatoes produce acid in the stomach, so patients with stomach ulcers and hyperacidity are unfit for human consumption. 2. Germination or dark spotted sweet potatoes are unfit for human consumption Rotten sweet potatoes (sweet potatoes with black spots) and sprouted sweet potatoes can poison people and are not edible. 3, should not eat too much at one time Sweet potato contains "vaporizing enzyme", do not eat too much at one time, and eat with the rice noodles, and matched with pickles or drink soup to avoid heartburn, spit water, belly inflation and other phenomena. 4, should not eat raw sweet potatoes Sweet potatoes must be cooked and cooked, because the cell membrane of starch in sweet potatoes, if not destroyed by high temperatures, makes the body difficult to digest. Organic green tea extract powder is extracted from green tea. 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Such sweet potatoes do not eat carcinogens