What are the nutritional values ​​of onions? How to choose onions

In our daily life, we can see onions in many dishes. Onions can effectively kill some staphylococci and streptococci, as well as Shigella dysenteriae and diphtheriae in the body, which can keep the body in a very good health. This is just one of the reasons why people like to use it. Of course, there are others. If you are interested, you can open the article below to learn more!

Contents of this article

1. What are the nutritional values ​​of onions?

2. How to choose onions

3. How to eat onions in the healthiest way

What are the nutritional values ​​of onions

1. Onions can promote human digestion to a certain extent.

This is because onions are rich in vitamins and volatile oils, which have a strong effect in stimulating the secretion of the human digestive glands, thus playing a good role in strengthening the stomach and promoting digestion.

2. Onions have very good bactericidal and anti-inflammatory effects.

Onions can effectively kill some staphylococci and streptococci as well as Shigella dysenteriae and diphtheria bacteria in the body, and can keep the body in a very good health state.

3. Onions also have very good functions of removing phlegm and promoting diuresis.

This is because the phytoncide contained in onions has very good sweating, cold prevention, bacterial growth inhibition and antiseptic effects. The quercetin contained in onions, under the induction of flavonols in the human body, undergoes a series of reactions to form a medicinal glycoside. This medicinal glycoside has a very good diuretic effect. Onions are often used clinically to assist in the treatment of edema caused by diseases such as nephritis.

4. Onions have a very good effect of refreshing the mind and strengthening the body.

This is because the allicin contained in onions can stimulate the tear glands of the human body to secrete tears, and it also has a very good refreshing effect, so it can promote the body's metabolism, enhance the body's physical strength, eliminate fatigue, and improve concentration. In addition to these, onions also have a very good effect on promoting brain activation.

5. Onions can also prevent cerebral thrombosis.

This is because onions contain some active ingredients that can activate fibrinolytic protease, which can play a good role in preventing platelet aggregation. Some patients with cerebral thrombosis can eat more onions in their daily lives.

6. Onions are beneficial to human cardiovascular health.

Cycloalliin contained in onions is a particularly effective component that can reduce blood lipids in the human body, so onions are often used to fight atherosclerosis. Onions also contain prostaglandins, which are good vasodilators and softeners that can reduce the resistance of blood vessels and coronary arteries.

How to choose onions

1. Onions come in two types: those with orange-yellow skin and those with purple skin. Onions with orange-yellow skin are thicker, contain more water, and have a crisper texture.

2. When purchasing onions, the best ones are those with bright color, sufficient moisture, spicy smell, and heavy feel.

How to eat onions in the healthiest way

Vinegar-soaked onion: Wash an onion, peel it, cut it into thin slices, and heat it in a microwave for about 2-3 minutes. Then put the onion in a container, add 5 tablespoons of vinegar, and put it in the refrigerator. It can be eaten the next morning. Eating this onion with breakfast every day can effectively lower blood sugar and reduce weight.

Soak lettuce and onions in vinegar: Wash and slice the onions, add a few lettuce leaves, and then pour apple cider vinegar to cover the onions. This method of eating can cure constipation for many years, stabilize blood pressure, and effectively improve sleep.

Drinking water boiled with onion peels, or eating more fried onions, can reduce vitreous opacities in the eyes and improve vision.