Sweet potatoes how to eat the most nutritious? Speaking of sweet potatoes, I believe that no one will feel strange, this is an extremely common coarse food, sweet potatoes sweet taste by many people’s favorite. So, do you know the nutritional value of sweet potatoes and sweet potatoes practice? The nutritional value of sweet potatoes 1, wide intestine and laxative. Sweet potatoes are very rich in “soft” dietary fiber, the reason why it is said that it is “soft”, because the dietary fiber contained in sweet potatoes combined with water and adsorption force are higher than the other three kinds of dietary fiber (potatoes, beans, bran and other dietary fiber), therefore, it is very easily digested and absorbed by the body. At the same time, it can promote the timely excretion of harmful substances from the intestine, thus reducing the absorption of harmful substances. Moreover, after sweet potatoes are steamed, some of the starch is changed, which can increase about 40% of dietary fiber compared with raw food. Can effectively stimulate intestinal peristalsis and promote bowel movements. 2, enhance immune function. Sweet potato contains a large amount of mucin, can prevent the liver and kidney connective tissue atrophy, improve the body’s immunity. 3, cancer prevention and anti-cancer. Sweet potatoes are rich in antioxidant substances, such as vitamin C, beta carotene, etc., can play a role in eliminating reactive oxygen species, which is one of the causes of cancer. In addition, sweet potatoes are rich in dietary fiber, can promote intestinal health, indirectly able to prevent colon cancer. Sweet potatoes are the only starchy staple food containing vitamin C. Sweet potatoes also contain the most beta-carotene among potatoes and starchy nutrients. beta-carotene is a good antioxidant substance, and its content varies, making sweet potatoes appear in different colors. the more beta-carotene, the darker the color of sweet potatoes. Different colors of sweet potatoes, antioxidant capacity is also different. Generally speaking, the darker the color, the stronger the antioxidant capacity. 4, anti-aging, prevention of high blood pressure. Sweet potatoes contain a special substance called chlorogenic acid, which can inhibit the production of melanin, prevent the appearance of freckles and age spots, and slow down cellular aging. In addition, the potassium content of sweet potatoes than apples and oranges are higher, and high potassium and low sodium can regulate the balance of water electrolytes, which is conducive to the prevention and relief of hypertension. Sweet potatoes practice Sweet potatoes must be steamed and cooked thoroughly before eating, because the starch granules in sweet potatoes are difficult to digest without high temperature destruction. Sweet potatoes contain an oxidase enzyme, this enzyme is easy to produce a large amount of carbon dioxide gas in the human gastrointestinal tract, such as sweet potatoes eat too much, will make people bloated, erratic, farting. Sweet potatoes contain high sugar content, eat more can stimulate the secretion of large amounts of stomach acid, so that people feel “heartburn”. Stomach due to excess stomach acid stimulation and contraction to strengthen the stomach acid can flow back into the esophagus, the occurrence of acid vomiting. Eating sweet potatoes with a little pickle is best, can effectively inhibit stomach acid. In addition, sweet potatoes have a lot of sugar, the body can not be absorbed for a while, the remaining part stays in the intestine easy to ferment, so that abdominal discomfort. Chinese medicine believes that dampness blocking the spleen and stomach, gas stagnation and food accumulation should be careful eating sweet potatoes. The shortcomings of sweet potatoes is the lack of protein and fat, but today people are rich, no longer sweet potatoes as a staple food, it is missing nutrients can be completely supplemented by other meals. Although sweet potatoes are delicious and nutritious, but do not eat more oh.