Onion is a kind of vegetable that many people are very familiar with. Vegetables are rich in nutrients, especially anthocyanins, which can resist colds, control blood pressure and help digestion. Experts say that an onion is better than several medicines. So onions also play a very good regulatory effect on the heart, today we will learn more about the efficacy of onions.
1. Garlic contained in
onion has strong bactericidal ability. Onion bulbs and leaves also contain an oily volatile called propylene sulfide, which can resist cold and warm, resist influenza viruses, and is also the source of onion’s spicy taste. Spring is the season of high incidence of influenza, so you can eat some onions to prevent colds.
2. Protect blood vessels
onions contain a variety of sulfides, which help to stabilize blood pressure by dilating blood vessels, thus helping to prevent thrombosis and arteriosclerosis. Onion is also the only plant containing prostaglandin A, which can help us maintain the elasticity of blood vessels and delay the aging of blood vessels. Onions also contain quercetin, which can reduce the concentration of lipids in blood vessels, so it has a certain role in cleaning blood vessels.
3. Relieving Constipation
Onions are rich in dietary fiber. Regular and moderate intake can promote intestinal metabolism, remove intestinal garbage, relieve constipation, and reduce the risk of obesity and type 2 diabetes. Cutting onions for a long time or heating them at high temperature will reduce the sulfide content in onions, so people with healthy intestines and stomach and who can accept the spicy taste of onions are advised to eat more raw onions.
Different colors of onions have different effects:
there are generally three kinds of onions we can buy in the market: purple onions, white onions and yellow onions. Purple onions have higher anthocyanin content, so they have stronger antioxidant and anti-aging effects, and are also good for the skin. It is more spicy, so it is suitable for stir-frying or roasting.
White onion and yellow onion have higher content of carotene and vitamin C, and have better anti-fatigue effect. White onion is rich in water and sweet in taste, which is suitable for eating raw. Yellow onions are slightly sweet and spicy, and are suitable for eating raw or dipping sauce.
Pass the introduction of above article, we had known the effect of onion, onion has a lot of effect, to enhancing constitution, fight a cold to control blood pressure to have certain advantage, additionally especially the effect of purple onion is better, the anthocyanin content inside it is higher, the content of vitamin C also is higher, an onion is worth a few medicine, So you can eat more in your daily life.
