Onion has a strong aroma, since ancient times has been doubly valued by the people. Europe and the United States known as the "Queen of the dish". A gourmet said: "no onion, there will be no culinary arts. The American Civil War, the commander-in-chief of the Northern Army Perrant had to the Department of the Army to the emergency: "no onions, I can not mobilize the army." It turned out that many of the soldiers suffered from dysentery, the next day the Department of the Army sent a train of onions to rescue the troops suffering from dysentery crisis, the troops quickly recovered and greatly increased combat effectiveness. A German monarch once said, "If you don't eat onions one day, you'll be in a bad mood all day." The city of Bern, Switzerland, in the annual harvest of onions, to celebrate the traditional "onion festival".

Onions are nutritious, rich in calcium, iron and a variety of vitamins, but also contains carotene, thiamine, niacin and many other vitamins, the thing is that it contains a kind of called "propylene sulfide" greasy volatile liquid. This is a ligand, with the role of killing a variety of bacteria. The important value of onions, mainly in the lipid-lowering effect. In the early 1970s there is an anecdote: a Frenchman will eat the leftover onions to a horse suffering from coagulopathy ate, soon found that the horse's clot disappeared, the disease was cured. This unexpected efficacy, caused by the attention of medical scientists, confirmed by pharmacological research, onion contains an onion essential oil, can reduce cholesterol in patients with high blood cholesterol, improve high blood cholesterol patients in vivo fibrinolytic enzyme activity, on the improvement of atherosclerosis is very beneficial. U.S. scientists also found that onions contain prostaglandin A, can reduce peripheral vascular resistance, reduce blood pressure, and make blood pressure stable, the blood vessels have a softening effect, with diastolic function. Onions also contain more glutathione, which is an anti-aging substances, can delay cellular aging, these are beneficial to the elderly, long food make people live longer. Onion is flat, sweet, have clearing heat and phlegm, detoxification and killing insects, and the stomach and the effect of gas. Modern medical research has proved that onions on hypertension, hyperlipidemia, diabetes, arteriosclerosis, and even cancer have conditioning, treatment effect.

Onions into dishes, can be cooked alone, but also as a seasoning base, is a popular popular vegetables ! So Westerners pay a lot of attention to nutrition! Naturally like to eat onions ah!