Eat sweet potatoes will not make people fat to eat sweet potatoes should pay attention to science
Sweet potato has been used by nutritionists as a kind of medicine and food with balanced nutrition. Its calories are only one third of the calories produced by the same weight of rice, and it is almost free of fat and cholesterol. Eat sweet potatoes is good for human health, how to eat better?
Will eat sweet potatoes will not make people fat
According to scientific research, eating sweet potatoes will not make people fat, on the contrary sweet potatoes is still an ideal diet food. Its calorie content is very low, much lower than normal rice, so you don't have to worry about gaining weight after eating, but you can lose weight. Sweet potatoes also contain an estrogen-like substance that has a protective effect on protecting human skin and delaying aging. Therefore, many foreign women treat sweet potatoes as beauty foods. Sweet potatoes are sweet and crunchy and can be used as a substitute for fruit; cooked and soft, eaten in the mouth and sweet in the heart. It can serve as both a staple food and a vegetable. Steamed, boiled, fried, fried, eat a lot, once skillfully cooked, it can also become a delicacy.
The effect and function of sweet potato
1. Sweet potato is good for the heart
Sweet potatoes are rich in potassium, beta-carotene, folic acid, vitamin C, and vitamin B6. These five ingredients help prevent cardiovascular disease. Potassium helps the body's cellular fluids and electrolytes balance, maintaining normal blood pressure and heart function. Beta-carotene and vitamin C have anti-lipid oxidation and prevent atherosclerosis. Folic acid supplementation and vitamin B6 help reduce blood homocysteine ​​levels, which damage the arteries and are an independent risk factor for cardiovascular disease.
2. Sweet potato has anti-diabetic effect
Japanese researchers found that obese diabetic rats in the white-sweet sweet potato after 4 weeks, 6 weeks after the blood insulin levels were reduced by 26%, 60%; and found that sweet potato can effectively inhibit diabetes after oral administration of glucose glucose levels in obese rats High; eating sweet potatoes can also reduce the level of triglyceride and free fatty acids in diabetic rats; studies suggest that white sweet potatoes have a certain anti-diabetic effect. A clinical study at the University of Vienna, Austria, found that patients with type 2 diabetes have improved insulin sensitivity after taking white sweet potato extract, which helps control blood sugar.
Sweet potato has been used by nutritionists as a kind of medicine and food with balanced nutrition. Its calories are only one third of the calories produced by the same weight of rice, and it is almost free of fat and cholesterol. Eat sweet potatoes is good for human health, and have some weight loss. But eat sweet potatoes do not eat too much, so as to avoid heartburn, back to acid or abdominal distension and other abdominal discomfort symptoms.
3. Sweet potato is longevity food
China has two longevity hometowns. The reason is that farmers in both regions often use sweet potato as a staple food; at present, Japan, the United States, and other countries have used sweet potato as an auxiliary food for infants and young children; sweet potato contains an estrogen-like substance. , It has a certain effect on protecting human skin and delaying aging.
Eat sweet potatoes should pay attention to science
First, it is best eaten at noon
For the time of day, it is best to eat sweet potatoes at noon, because after eating sweet potatoes, it takes 4-5 hours to absorb in the human body. At the same time, the afternoon sun just happens to promote the absorption of calcium. Eat sweet potatoes at night, sugar more, the body can not absorb a moment, easy to swell.
Second, do not eat together with sweets
Sweet potatoes can't be eaten with something that's too sweet, because sweet potatoes themselves are sweet. If they are added together with sweets, they increase the likelihood of gastroesophageal reflux.
Third, roasted sweet potatoes do not eat with skin
The hot roasted sweet potatoes are sweet and delicious, and some of them are baked with "sugar oil." The charred coke of sweet potato skin is welcomed by everyone. Many people eat it together with the skin. However, experts pointed out that it is best not to eat roasted sweet potatoes with skin. Sweet potato contaminated with Alternaria purpura is not easy to distinguish after baking, so sweet potatoes with black spots or scorched beans should not be consumed, which may cause poisoning. At the same time, although most of the roasted sweet potatoes on the street now have ovens, many of them are baked with coal. When coal is burned, it produces a lot of harmful substances such as sulfur dioxide, which is harmful to health.
Four, fasting should not eat sweet potatoes
Due to the high sugar content of sweet potatoes, fasting will produce a lot of stomach acid, when the stomach acid is too much, it will stimulate the gastric mucosa and cause acid reflux, which makes people feel heartburn. At the same time, sweet potatoes also contain an oxidase that produces a large amount of carbon dioxide gas in the gastrointestinal tract, which can easily cause bloating, snoring and other symptoms.
It should be noted that since it is not advisable to eat too many sweet potatoes at one time, the consumption method of sweet potatoes is also very particular. First of all, raw sweet potatoes are not good, because the cell membrane of starch in raw sweet potatoes has not been destroyed by high temperature and it is difficult to digest in human body. Second, sweet potatoes should not be eaten alone. Sweet potatoes and rice noodles can be eaten together, and the amount of food consumed can be controlled once; Secondly, when you eat sweet potatoes, some pickles and salty soups are used as neutralization. In addition, sweet potatoes can be soaked with a small amount of alum solution and iodine brine, and then processed. Into a variety of cooked food.
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