Prevention of cancer The pectin contained in shallots can obviously reduce the occurrence of colon cancer and has anti-cancer effect. Allicin in onion can also inhibit the growth of cancer cells; Onion also contains trace element selenium, which can reduce the nitrite content in gastric juice and play a certain role in preventing gastric cancer and various cancers.
Vasodilator Welsh onion is rich in vitamin C, which can relax small blood vessels and promote blood circulation, prevent dizziness caused by high blood pressure, keep the brain flexible and prevent Alzheimer's disease. The volatile oil and capsaicin of scallion can get rid of the peculiar smell in greasy and thick dishes such as fishy smell and produce special aroma. If it is eaten with mushrooms, it can also promote blood circulation.
Cholesterol-lowering scallion can reduce the accumulation of bad cholesterol. People who eat scallion regularly, even if they are fat, their cholesterol does not increase, and their physique is strong. The onion leaf part contains more vitamins A, C and calcium than the onion white part.
Relieve fatigue Raw onions contain diallyl sulfide, which stimulates the secretion of gastric juice and helps to increase appetite. When ingested together with foods containing more vitamin B 1, it will promote the starch and sugar in food to become calories and relieve fatigue.
2 Disadvantages of eating green onions Eating too many green onions hurts your eyesight. Chinese medicine has the saying that "pungent and harmful to your eyes", which means that vegetables have a bad smell and spicy taste, which will damage your eyesight. Eating too much raw onions will be bad for your eyesight, and those with poor eyesight should eat less.
Oral odor Onion has a pungent smell. After people eat it, this smell will stay in their mouths for a long time, which will make people's mouths afraid of not being fresh. Therefore, when there are social activities, people should not eat Onion.