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The advantages and disadvantages of eating raw onions

 

The advantages and disadvantages of eating raw onions


Onions, also known as shallots and shallots, commonly include purple skin, yellow skin, and white skin. It is a common vegetable. Onion is tender, juicy and spicy, and has high nutritional value. It has the effects of lowering blood fat, promoting digestion, refreshing and strengthening the body, sterilizing and fighting cold, preventing cancer, expectorating and diuretic, so it is known as the "Queen of Vegetables". Onions can be used as a side dish or a main dish. They can be fried or eaten raw. So, is it better to eat onions raw or cooked? What are the benefits of eating onions? What should I pay attention to when eating onions?

  Is it better to eat onions raw or cooked?

  Onions are one of the favorite vegetables of Russians. Their most common way to eat them is to eat them raw. The onions are shredded and other vegetables are made into a vegetable salad, or eaten as a side dish with staple foods such as steak, or it can be sandwiched in a burger or Eat in sandwiches. Onions contain a lot of healthy ingredients. From the perspective of nutrition, raw onions are more nutritious than cooked ones. In particular, onions have a sterilization effect, because if the cooking temperature is not well controlled, it is easy to destroy the nutrients. Harvard Medical School’s cardiology professor, Dr. Kedor Gelwich, pointed out that eating half an onion raw or drinking the same amount of onion juice every day can have about 30% of the body’s good cholesterol. However, it should be noted that onions are warm and sweet, and have a stimulating effect on the intestines and stomach. Therefore, not everyone can eat onions raw, especially those with poor gastrointestinal function.

  Edible benefits of onions

  Lower blood lipid

  The prostaglandin A contained in onions has the effect of dilating blood vessels and reducing blood viscosity, thus increasing coronary blood flow and preventing cerebral thrombosis. At the same time, the sulfur-containing compounds in onions can enhance the activity of fibrinolysis, and can also lower blood lipids and resist arteriosclerosis.

  Promote digestion and cure constipation

  Onion is spicy and rich in dietary fiber. It can stimulate the gastrointestinal tract to secrete digestive juice, promote gastrointestinal motility, and has the effects of promoting digestion, increasing appetite, and preventing constipation.

  Sterilize and fight cold

  Allicin and sulfur-containing compounds contained in onions have strong bactericidal ability. These components can resist influenza virus, resist cold and sweat, inhibit bacteria and prevent colds. At the same time, these ingredients also have expectorant and diuretic effects.

  Refreshing

  The allicin and sulfur-containing volatile substances in onions can stimulate the lacrimal glands to secrete tears. This is also the reason why cutting onions will cause tears. These components can promote metabolism, eliminate fatigue, and have a refreshing effect.

  Hypoglycemic

  Onions contain a substance that can stimulate the synthesis and release of insulin. The effect of this ingredient is similar to that of oral hypoglycemic drugs (metasulfame) and has a significant effect on lowering blood sugar.

  Anti-cancer

  The selenium and quercetin in onions can inhibit the activity of cancer cells and prevent the division and growth of cancer cells. At the same time, they can also reduce the toxicity of carcinogens and have anti-cancer and anti-cancer effects.

  Contraindications for eating onions

  1. Don't eat too much

  Onions will produce sulfur-containing gas in the intestines. Excessive consumption will cause flatulence and excessive exhaust, which will bring inconvenience to life.

  2. Patients with eye diseases should not eat more onions

  Onions have a pungent odor. People with eye diseases should not cut and eat onions to avoid aggravating the condition.

  3. Patients with gastrointestinal diseases, poor gastrointestinal function and people who are prone to gas accumulation should not eat too much onion.

  4. Onions should not eat more onions for fever patients, such as onion temperature and body surface sweating.

  5. People who are allergic to onions and suffering from skin diseases should not eat more onions.

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