? Although onion has long been a commonplace on our table, it can be traced back to the source, but it is an out-and-out "foreign immigrant"! Like its relative, garlic, it has been an important part of healthy diet and natural medicine since ancient Egypt. Some unique medicinal effects of onion also made it used as a medicine to treat wounds for soldiers in Russian and British armies during World War II. So far, the research on the nutritional value and medicinal value of onion has not stopped. In many countries in Europe and America, onion is known as the "vegetable queen"!

? Onion is rich in nutrients, not only potassium, vitamin C, folic acid, zinc, selenium, cellulose and other nutrients, but also two special nutrients-quercetin and prostaglandin A. These two special nutrients make onions have many irreplaceable health effects:

1. Preventing cancer

? In this society that talks about cancer discoloration, there is a kind of food that can prevent cancer, which is really great news! What's more, researchers' research also found that onions and their family members can help prevent and control various cancers. It's "various"! In France, a study on women shows that women who eat more onions and garlic have a lower risk of breast cancer. I believe that after reading this article, you will definitely sweep the name of onion on your menu!

? The anti-cancer effect of onion comes from its rich selenium and quercetin. Selenium is an antioxidant, which can stimulate human immune response, thus inhibiting the division and growth of cancer cells and reducing the toxicity of carcinogens. Quercetin can inhibit the activity of carcinogenic cells and prevent the growth of cancer cells. According to a survey, people who often eat onions are 25% less likely to suffer from gastric cancer than those who don't, and 30% fewer people die from gastric cancer.

2. Maintain cardiovascular health

? Onion is the only known vegetable containing prostaglandin A.. Prostaglandin A can dilate blood vessels and reduce blood viscosity, so it can reduce blood pressure, increase coronary blood flow and prevent thrombosis. Quercetin, which is rich in onion, has a high bioavailability. Scientists have reported that quercetin may help prevent the oxidation of low-density lipoprotein (LDL) and provide important protection for atherosclerosis.

3. *** appetite. Help digestion

? Onion contains allicin, which has a strong aroma. When processed, it often makes people cry because of its pungent smell. It is this special smell that can secrete gastric acid and stimulate appetite. Animal experiments have also proved that onions can improve gastrointestinal tension and promote gastrointestinal peristalsis, thus playing an appetizing role, and have a significant improvement effect on anorexia caused by atrophic gastritis, insufficient gastric motility, indigestion, etc. Of course, if you are dieting to lose weight, then this effect of onions is obviously not suitable for you!

Editor: admin?

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