Efficacy 1: Various vitamins in Chinese onion can ensure the normal secretion of human hormones and effectively stimulate sexual desire, thus "strengthening yang and nourishing yin". Therefore, for men, eating green onions or chives three times a week can be cooked and eaten cold, and can also be used as a flavoring agent to achieve the effect of strengthening yang and nourishing yin.
Efficacy 2: Detoxifying and seasoning green onions are pungent and slightly warm, and have the functions of releasing yang and detoxifying and seasoning. Mainly used for common cold, abdominal pain due to yin cold, aversion to cold and fever, headache and stuffy nose, milk obstruction, and adverse defecation. Onion contains volatile oil, the main components of which are allicin, diallyl sulfide and calcium oxalate. In addition, it also contains fat, sugar, carotene, vitamins B, C, nicotinic acid, calcium, magnesium, iron and other components.
Efficacy 3: Preventing 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.
Efficacy 4: Sweating and bacteriostasis Welsh onion can stimulate the sweat glands of the body and achieve the effect of sweating and heat dissipation; Onion oil can stimulate the upper respiratory tract and make sticky phlegm easy to cough up. Allicin contained in onion has obvious function of resisting bacteria and viruses, especially for dysentery bacilli and skin fungi.
Efficacy 5: Vasodilator Welsh onion is rich in vitamin C, which can relax small blood vessels, 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.
Efficacy 6: Cholesterol-lowering green onions can reduce the accumulation of bad cholesterol. People who often eat green onions, 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.
Efficacy 7: Relieve fatigue Raw onions, like onions, contain diallyl sulfide, which will stimulate the secretion of gastric juice and help to increase appetite. When ingested together with foods with high vitamin B 1 content, it will promote the transformation of starch and sugar in food into calories and relieve fatigue.
Taboo to eat onions: 3 kinds of people should not eat onions, which can be eaten by the general population, and it is more suitable for mental workers. However, some people should not eat onions.
1. Patients with gastrointestinal diseases. People suffering from gastrointestinal diseases, especially peptic ulcer, should not eat more.
2. People with superficial deficiency and hyperhidrosis should also avoid eating green onions.
3. Patients with eye diseases. Excessive consumption of green onions can also damage vision, so people with poor eyes should not eat too much green onions.