? Sweet potato is rich in β-carotene, vitamin C and folic acid, which has a good anti-cancer effect. Eating sweet potatoes regularly can keep people healthy. The content of potassium in sweet potato is extremely high, which can reasonably promote the balance between the internal environment of the body and its electrolyte solution, and has obvious interaction force to prevent cardiovascular diseases. Old people often eat sweet potatoes to prevent stroke and avoid cardiovascular diseases.
Good for cardiovascular system:
Sweet potato contains potassium, beta-carotene, folic acid, vitamin C and vitamin B6, all of which help to prevent cardiovascular and cerebrovascular diseases. Potassium contributes to the balance of fluids and electrolytes in tissues and cells, and maintains blood pressure standards and heart function. β -carotene and vitamin C have anti-lipid air oxidation and anti-atherosclerosis effects. Supplementation of folic acid and vitamin B6 is helpful to reduce the level of homocysteine in plasma.
Anti-saccharification effect:
Sweet potato has a certain anti-diabetic effect. A clinical study at the University of Vienna, Austria, found that patients with type 2 diabetes improved their sensitivity to insulin glargine after taking phytosterols from hard-skinned sweet potatoes, which helped to control blood sugar.
Effect of moistening intestine:
Sweet potato contains a lot of methyl cellulose and Arabic gum which are not easily destroyed by fruit enzymes, which can stimulate digestive enzyme metabolism and gastrointestinal peristalsis, and then play a role in moistening intestines.
Lose weight:
Sweet potato has always been regarded by health experts as a nutritious food with both edible and medicinal functions. Its heat energy is only one-third of that of rice with the same net weight, and there are almost no lipids and bile solids. Eating sweet potatoes regularly is good for your health and has a certain weight loss effect. But don't eat too many sweet potatoes at a time to prevent heartburn, acid reflux or bloating.
Prevention of pneumonia:
A clinical experiment at the University of Kansas in the United States found that the level of vitamin A in smoking rats was low and it was very easy to get pneumonia. However, in smoking rats whose diet contains vitamin A, the incidence of pneumonia drops sharply. Why some long-term smokers live into their 90 s but don't get pneumonia is probably related to the rich and colorful vitamin A content in their daily diet. Measures taken by researchers to improve these smokers or passive smokers, it is best to eat some ingredients containing vitamin A every day, such as sweet potatoes, to prevent pneumonia.
Cancer prevention:
The most anticancer nutrients in the diet are β -carotene (vitamin A phosphokinase), vitamin C and folic acid, which are very rich in sweet potatoes. A small sweet potato (about 2 pairs) can give 2 places of daily vitamin A, one third of daily vitamin C and 50 mg of folic acid. Among them, the content of dietary fiber is higher than a bowl of porridge.
The antioxidant effect of β -carotene and vitamin C is helpful to resist the damage of oxidative stress to genetic information Dna (DNA has a certain role in preventing cancer. Eating sweet potatoes regularly helps to maintain all normal folic acid levels in the 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 severe constipation and colorectal cancer.