1, phytoncide contained in green onions has a strong bactericidal effect, especially on Shigella dysenteriae and dermatophytes. Pectin contained in scallion can obviously reduce the occurrence of colon cancer and has anti-cancer effect. Allicin in green onions can also inhibit the growth of cancer cells.

2, green onions can prevent respiratory infections, effectively treat colds, once people have sneezing, tears, runny nose and other symptoms. Chew green onions until you sweat.

3. Onion is rich in nutritional value, mainly containing protein, fat, sugar, vitamin A, vitamin B, vitamin C, and minerals such as calcium, magnesium, iron and phosphorus, which can supplement various elements needed by human body. It can replenish our nutrition in time.

The disadvantages of eating green onions:

1, onion is a mild food. Long-term consumption at ordinary times will make the human body absorb too much heat and aggravate the heat toxicity in the body. In severe cases, it will cause a variety of symptoms of getting angry, such as aphtha, sore throat, acne on the face, etc., all of which are obvious manifestations of getting angry after eating raw onions.

2. Onion is a pungent ingredient. If you eat it raw for a long time, it will make the stomach absorb too much allicin, which will harm the gastric mucosa, especially those with weak spleen and stomach and gastric insufficiency, and you can't eat it raw for a long time, otherwise it will hurt the spleen and stomach and be bad for your health.

Eating green onions raw for a long time is also very bad for people's eyes, especially in summer. Eating raw green onions will make people's eyes secrete some white things, which will obviously make people's eyes uncomfortable, and in severe cases, their vision will decline.

Extended data:

These people are not suitable for eating green onions raw.

1, people with oral ulcers should stop eating.

2. People suffering from gastrointestinal diseases, especially peptic ulcer, should not eat more.

3, superficial deficiency, hyperhidrosis should also be avoided.

4. Allergic patients should choose carefully.

5, onions have a strong stimulating effect on sweat glands, and people with osmidrosis should be careful to eat in summer.

References:

Efficacy and Taboo of Onion-People's Network