The efficacy and effects of sweet potato and contraindications

Sweet potato taste sweet and fresh, can be eaten raw, can also be steamed and eaten, sweet potatoes are rich in dietary fiber, carbohydrates, carotenoids, vitamins and potassium, magnesium, copper, calcium, selenium and other trace elements required by the human body more than ten kinds, can provide the body with a variety of nutrients, so what are the effects of sweet potatoes and contraindications?

Laxative detoxification

Sweet potatoes contain a lot of dietary fiber, can not be digested and absorbed in the intestine, can stimulate the intestines, enhance peristalsis, laxative detoxification, especially for age-related constipation has a better effect. When eating sweet potatoes should be careful to be steamed and cooked thoroughly.

Weight loss and slimming

Sweet potatoes in low calories, less fat, very much in line with the basic requirements of weight loss people, and sweet potatoes contain rich dietary fiber, can play a satiating effect, sweet potatoes as a staple food, can effectively reduce other food intake, to prevent sugar into fat, to achieve the purpose of weight loss.

Strengthen the body's immunity

Sweet potato protein content is not high, but the amino acid structure is ideal for the body to supplement a variety of essential amino acids, and sweet potatoes are rich in glycoprotein and mucin, glycoprotein can effectively enhance immunity for the body, has a good anti-mutagenic effect, mucin also has a special protective effect on the body, can slow down organ aging, improve the body's immunity.

Assist in lowering blood pressure

Sweet potatoes can assist in lowering blood pressure, mainly due to the rich potassium content of sweet potatoes, potassium and sodium are important elements that have an impact on blood pressure, the human body consumes enough potassium, it can promote the discharge of excess sodium in the blood, but also promote the body mineral level balance, play a role in assisting in lowering blood pressure.

Anti-aging

Sweet potatoes contain a substance similar to estrogen, this substance can effectively protect the human skin, prevent premature aging, and sweet potatoes in the vitamin C content is more than 10 times that of apples, can effectively detoxify the skin, slow down the aging of the skin.

Protect cardiovascular

Potassium, folic acid, vitamin A and vitamin B, carotene in sweet potatoes can help prevent cardiovascular disease. Carotene and vitamin C can help fight until oxidation and prevent atherosclerosis; potassium helps the body's cellular fluid and electrolyte balance; folic acid and vitamin B6 help reduce the level of homocysteine in the blood.

Aids in blood sugar control

It was found that type 2 diabetes patients who took extracts from sweet potatoes had effective improvement in insulin sensitivity, which indicates that dietary fiber in sweet potatoes can effectively promote intestinal peristalsis, prevent constipation and delay the rise of blood sugar after meals, and selenium can assist in regulating blood sugar.

Anti-cancer and cancer prevention

Low levels of folic acid in the body is likely to increase the risk of cancer, eat sweet potatoes can help maintain normal levels of folic acid in the body, in addition to the dietary fiber in sweet potatoes can also help promote intestinal peristalsis, the role of preventing constipation and colorectal cancer.

Kidney deficiency

Sweet potato is sweet and mild in taste, belongs to the spleen, kidney meridian, has the effect of strengthening the spleen and stomach, strengthening kidney yin, helps to regulate the symptoms of kidney yang deficiency such as lumbago, cold limbs, edema, and kidney yin deficiency such as dry heat, night sweating, dizziness, false sweating, tinnitus.

Sweet potato nutritional value

Sweet potatoes are rich in starch, dietary fiber, carotene, vitamin A,B,C, as well as potassium, calcium, iron, copper, selenium and other trace elements and linoleic acid, these substances can protect blood vessels, eliminate carcinogenic oxygen free radicals, and fight infections caused by the invasion of cold and flu viruses; in addition, sweet potatoes also contain a substance similar to estrogen, to protect the human skin, slow down the aging process is helpful.

Eat sweet potatoes contraindications

Sweet potatoes should not be consumed in excess, so as not to cause bloating, acid, heartburn, stomach pain and other uncomfortable feelings; sweet potatoes if long black spots do not eat; sweet potatoes raw, sweet potatoes in the amylase should not be digested, so it is best to steam before eating; eat sweet potatoes on an empty stomach, easy to cause sweet potatoes in the tannin and gum stimulate the stomach, secrete more stomach acid and cause discomfort; sweet potatoes and persimmons eaten together, sweet potatoes in the stomach fermentation of sugar This leads to excessive secretion of stomach acid, and persimmons in the pectin, tannin reaction cohesion, resulting in hard lumps, in serious cases, easy to cause gastrointestinal bleeding or gastric ulcers. Sweet potato skin should not be eaten, because sweet potato skin contains more alkali, too much consumption will lead to gastrointestinal discomfort.