What are the nutritional values of onions?

Onions are very common vegetables in our life. Mainly used as ingredients, such as mutton fried onions, onions mixed with fungus, dry pot will put some onions at the bottom of the pot. But onions have one disadvantage, that is, they taste big, so many people are not used to the taste of onions. But do you know that onions are a treasure? Besides being a vegetable, it has many nutritional values. You'll like it when you know it.

Onions are not very expensive, but they have high nutritional value.

I. Nutritional value of onion

Every 100g fresh onion contains about C8mg water, 1. 1g protein, 8. 1g carbohydrate, 0.9g crude fiber, 0.2g fat, 0.5g ash, 0.02mg cucurbitacin and b10.03mg.

Eating onions often has many advantages:

First, prostaglandin A contained in onion is a strong vasodilator, which can resist pressor substances such as catecholamine, promote sodium excretion and lower blood pressure.

Second, the sulfide contained in onion can promote fat metabolism, and has the functions of reducing blood lipid and resisting arteriosclerosis. If you eat 50-70g onion every day, its lipid-lowering effect is stronger than the antonym of lipid-lowering drugs.

Third, flavonoids contained in onions can reduce the viscosity of platelets. Eating onions regularly can prevent thrombosis and reduce the probability of myocardial infarction and cerebral thrombosis.

4. Onions contain organic substances similar to sulfonylurea, which can significantly reduce blood sugar content.

5. Onion contains sulfide and trace element selenium, which has inhibitory effect on gastric cancer, esophageal cancer, colon cancer and breast cancer. The anticancer effect of onion comes from its rich selenium and quercetin.

We know that selenium is an antioxidant, which can stimulate human immune response, achieve the effect of inhibiting the division and growth of cancer cells, and reduce the toxicity of carcinogens.

Quercetin contained in onion can effectively inhibit the activity of cancer-causing cells and achieve the effect of preventing the growth of cancer cells. According to a survey, people who often eat onions are 25% less likely to develop gastric cancer than those who don't, and 30% fewer people die of gastric cancer. ?

6. Onions can improve the bone density of experimental mice, and eating onions often can prevent osteoporosis, which is beneficial to middle-aged and elderly people.

7. Onions contain a lot of volatile oil, which can help people feel happy, not only refresh themselves, but also refresh their minds and relieve work pressure. Eating onions regularly can improve the quality of life of middle-aged and elderly people.

Eight, vitamin C and nicotinic acid in onions are also high, which can promote the formation of interstitial cells and repair damaged cells, making the skin smooth, ruddy, elastic and cosmetic. Contains sulfur and vitamin E, which can prevent unsaturated fatty acids from producing lipofuscin pigment and prevent senile plaque. Those elderly friends who love beauty might as well have a try. Onions have no side effects anyway.

Nine, onions contain antibacterial and anti-inflammatory substances. Eating onions in summer can prevent enteritis and dysentery.

In a word, onion is a treasure, and you can't live without it. Eating onions often is good for your health.