Sweet potato must not know the pharmacodynamic effect
Sweet potato must not know the pharmacodynamic effect
Sweet potato is also called sweet potato, sweet potato, sweet potato, hawthorn, sweet potato, etc. It is a kind of healthy food for both medicine and food.
Sweet potato is sweet and can add more than 10 kinds of trace elements such as dietary fiber, carotene, vitamins and potassium, magnesium, iron and selenium.
It has been determined that every 500 grams of sweet potato contains about 11 proteins.
5 grams, sugar 14.
5 grams, 1 gram of trace, 100 mg of phosphorus, 90 mg of calcium, 2 g of iron, 0 carotene.
5 mg, in addition to vitamin B1, vitamin B2, vitamin C and niacin, linoleic acid and so on.
The content of vitamin B1 and vitamin B2 is 6 times and 3 times higher than that of rice, respectively.
In particular, sweet potatoes are rich in lysine, which is not clear to many people.
Sweet potatoes are both nutritious and have high health care functions.
According to the “Compendium of Materia Medica”, “Ancient Compendium of Materia Medica” and other ancient documents, the sweet potato has the effect of “reducing deficiency, benefiting Qi, strengthening the spleen and stomach, strengthening kidney yin”, making people “longevity and less illness”.
Can also make up, blood, warm stomach, fat five dirty and so on.
The contemporary “Chinese Materia Medica” says that it is “sweet, flat, spleen, kidney,” and “complementing the blood, replenishing qi and fluid, wide stomach, and constipation.”
Modern medicine believes that the health functions of sweet potatoes are summarized in the following aspects.
The most anti-cancer effects of the anti-cancer diet are β-carotene (vitamin A precursor), vitamin C and folic acid, while the sweet potato is rich in three.
A small sweet potato weighing about 100 grams can provide twice the daily vitamin A, 1/3 of the daily vitamin C and about 50 micrograms of folic acid; most of the fiber is higher than a bowl of oatmeal.
The anti-oxidation effect of β-carotene and vitamin C contributes to the anti-oxidative stress damage to the genetic material deoxyribonucleic acid (DNA) and plays a certain anti-cancer effect.
Eating sweet potatoes often helps maintain normal folate levels in the body, and low levels of folic acid in the body increase the risk of cancer.
The high content of precipitated fiber in sweet potato promotes peristalsis and prevents constipation and colon cancer.
Beneficial heart sweet potato high blood pressure potassium, beta-carotene, folic acid, vitamin C and vitamin B6, all of which help prevent disease.
Potassium helps the body’s cellular fluids and electrolytes balance, maintaining normal blood pressure and heart function.
–carotene and vitamin C have anti-oxidative effects and prevent atherosclerosis.
Supplementation of folic acid and vitamin B6 helps to lower the level of homocysteine in the blood and can damage arterial blood vessels, which is an independent risk factor for cardiovascular disease.
Prevention of emphysema An animal experiment at the University of Kansas in the United States found that smoking rats had reduced levels of vitamin A and prone to emphysema; while smokers who ate vitamin A foods had a significantly lower incidence of emphysema.
Why some long-term smokers live above 90 but have no emphysema, which may be related to the high vitamin A content in their daily diet.
Experts recommend that those who smoke or passive smokers should eat some vitamin A supplements (such as sweet potatoes) every day to prevent emphysema.
Preventing Diabetes Japanese researchers found that diabetic rats with diabetes were eating white sweet potato for 4 weeks, and blood insulin levels were reduced by 26% and 60% after 6 weeks, respectively. It was found that sweet potato can effectively inhibit post-glucose blood glucose in diabetic diabetic rats.Elevated levels; eating sweet potatoes can reduce the levels of triglycerides and free fatty acids in diabetic rats.
Studies have found that sweet potatoes have a certain anti-diabetic effect.
A clinical study at the University of Vienna in Austria found that people with type 2 diabetes improved their sensitivity after taking sweet potato extract, thus controlling blood sugar.
The effectiveness of laxative According to historical records, Emperor Qianlong suffered from constipation in his later years, and he was troubled by his long-term treatment.
One day, he smelled a special scent next to the royal chef. It turned out that a small eunuch was eating roasted sweet potatoes.
The Emperor Qianlong had to eat it one by one, and let the royal chef often eat sweet potatoes for him.
After eating it once, he was surprised to find that the senile constipation that had long left the doctors at a loss was unhealed.
Modern medicine believes that sweet potato contains a large amount of dietary fiber and has strong water absorption.
The precipitated fiber can not absorb and absorb inside, and can stimulate interaction, enhance peristalsis, detoxification, especially for senile constipation.
Although sweet potato is a better healthy food, it is necessary to pay attention to the following points when eating sweet potatoes: it is not suitable for raw food, because the cell membrane in raw sweet potato is destroyed by high temperature and difficult to digest; secondly, it is necessary to extend the cooking time of sweet potato to make itThe “gasification enzyme” contained is destroyed, reducing the feeling of bloating, heartburn, snoring, nausea, excessive exhaustion after eating; the third is to eat with rice noodles, can use the complementary effect of protein; the fourth is to match the picklesOr eating fresh radishes together can reduce stomach acid; fifth is best to eat at noon, because after we have finished sweet potato, the calcium contained in it needs to be absorbed in the body for 4-5 hours, and the afternoon sun exposure can promoteCalcium absorption.