Benefits, delaying aging and preventing hypertension
Sweet potato contains a typical special substance called chlorogenic acid, which can inhibit melanin production, prevent freckles and senile plaques, and delay cell aging.
In addition, the potassium content of sweet potato is higher than that of apple and citrus. High potassium and low sodium can adjust the balance of water, electricity and liquid, which is beneficial to prevent and relieve hypertension.
Two benefits, wide intestines.
Sweet potato is rich in "soft" dietary fiber, so it is called "soft" because of the water pressure and adsorption of dietary fiber such as sweet potato (potato, beans and wheat bran). Dietary fiber is high in content and easy to be digested and absorbed by human body.
At the same time, it can promote the excretion of harmful substances in the intestine, thus reducing the absorption of harmful substances. In addition, sweet potato changes after cooking, and some starch changes, which can increase dietary fiber by about 40% compared with raw materials. It can effectively stimulate intestinal peristalsis and promote defecation.
Benefit 3: Anti-cancer and anti-cancer
Sweet potato is rich in antioxidants, such as vitamin C and beta carotene, which can eliminate active oxygen, which is one of the causes of cancer.
In addition, the rich dietary fiber of sweet potato can promote intestinal health and indirectly protect colon cancer.
Sweet potato is the only potato food containing vitamin C, and the β -carotene content of sweet potato is also the nutrition of potato and starch.
β -carotene is a good antioxidant, and its different content makes sweet potatoes have different colors. The more beta-carotene, the darker the color of sweet potato.
Benefit 4: Enhance immune function.
Sweet potato contains a lot of mucin, which can prevent the combination of liver and kidney from shrinking and improve the immunity of the body.
How to eat sweet potatoes is more nutritious?
First, use rice.
Because sweet potato is rich in lysine, and rice and flour just lack lysine, so as the staple food of rice, it can supplement protein.
Second, use fatty substances.
Sweet potato is rich in beta carotene, which is a fat-soluble vitamin and can be absorbed better when eaten with fatty substances.
Third, drink more water.
Sweet potato is rich in dietary fiber to enhance hydrophilicity. Remember to drink plenty of water when eating sweet potato.
Tip: "The food is diverse, mainly grains, and the thickness is matched." No matter how good it is, everyone is not blind from a foodie. Because: there is no bad food, only unreasonable diet, the key is balance!