The onion is a herbaceous plant that consists of an edible bulb , which grows underground. This plant is classified in the Amaryllidaceae family , and of it there are varieties that differ from each other by the shape , either more elongated or rounded, or by the color , which varies from white to yellow, pink, purple or even redThe onion is native to Asia, and its cultivation as a vegetable for human consumption has spread to the rest of the world since ancient times. It is edible from the bulb to the stem, however, the most common is the consumption of the bulb , which is composed of several layers covered by binzas, between which there are thin membranes.

The onion bulb has a peculiar flavor and gives off a characteristic smell thanks to the fact that it contains a substance called allyl sulfide . It is for these properties that it is usually used to accompany food in the form of a condiment or garnish, and through the centuries it has been found benefits for health and has been attributed medicinal properties.

What is onion used for?

The onion, in addition to being a nutritious food and a good accompaniment to them, has participated in preparations for medicinal, mystical or esoteric purposes, according to local culture and traditions.

The onion is used to:

  • Take nutrients for the body
  • Detoxify the body
  • Deacidify the body
  • Treat respiratory conditions
  • Help the nervous system and brain
  • Prevent cardiovascular problems
  • Repair the skin
  • Control diabetes
  • Avoid cramps
  • Improve hair conditions

Helps take nutrients for the body

The onion is a vegetable that accompanies many foods.

Onion is a vegetable that provides us with a large amount of nutrients, such as:

  • Carbohydrates
  • Vegetable proteins
  • Minerals: calcium, magnesium, potassium, iron
  • Vitamina A (Retinol)
  • Vitamin B1 (Thiamine)
  • Vitamin B3 (Niacin)
  • Vitamin B6 (Pyridoxine)
  • Vitamin B9 (Folic Acid)
  • Vitamin C (Ascorbic Acid), being very abundant in this
  • Vitamin E (Tocopherol)
  • Natural fibers
  • A good amount of water
  • Available sulfur, beneficial to synthesize collagen in the body.

Serves to detoxify the body

Onion offers a good amount of fiber, which helps speed up intestinal transit and eliminate metabolic waste . It also has diuretic qualities that allow us a better elimination of toxins from the urinary system, helping us to combat fluid retention and constipation.

It is used to deacidify the body

The consumption of onion helps to regulate the pH of the blood, whose value should remain at 6.3. If this value decreases, it means that it is becoming more acidic. The onion contains substances such as soda, potash and sulfides, which help in the acid-base balance of this vital liquid.

Treat respiratory conditions

For centuries, onion has been used in traditional medicine to treat various respiratory conditions. This benefit is used in its essential oil , which is very volatile and contains allyl sulfide and propyl sulfide , compounds that give it its characteristic odor. These substances act as bronchodilators and treat bronchitis, asthma, and other conditions.

Help the nervous system and brain

Onion is a vegetable that provides us with a high content of phosphorus, an essential chemical element for nerve impulses or the synapse in our brain. It is, therefore, very useful for improving intellectual and motor skills .

Prevent cardiovascular problems

Onion provides us with quercithin , which is a flavonoid that helps us in various aspects of health, preventing conditions of the cardiovascular system, such as arteriosclerosis, high cholesterol and hypertension. Frequent consumption of onion, especially in its raw form, either in salads or as a garnish, reduces the risk of heart disease.

The onion also contains allinase , which is an enzyme that reduces cholesterol levels in the blood , so its consumption is good to prevent conditions that are a consequence of high levels. This enzyme works in conjunction with quercetin. Onions also have iron, which is necessary for the formation of red blood cells and the transport of oxygen.

Repair the skin

The edible bulb of the onion has numerous nutrients.

Beneficial properties for the skin have been found in onion since ancient times, thanks to its emollient, antiseptic and healing properties, which is why it is used to:

  • Apply to skin tissue to treat conditions such as acne
  • Disinfect superficial wounds
  • Dermal treatments to combat wrinkles

Control diabetes

Onion contains glucokinin , a substance that works favorably in lowering blood sugar levels. In addition, the contribution of this bulb with respect to sugars is very low.

Avoid cramps

Onion is a vegetable that provides potassium in the diet. This mineral helps us muscle contractions are carried out correctly and cramps are avoided.

Improve hair conditions

The sulfur contained in onion is essential for the body in the process of collagen synthesis, but it is also useful in cases of baldness due to dandruff. Like other forms of sulfur, it works against seborrhea and scalp infections.

Can I consume onion without restrictions?

Onion is one of the most consumed vegetables in the world and also one of the healthiest. Its strong taste and the smell of its layers make it unpleasant for some consumers, especially girls and boys.

There is no record of adverse effects from onion consumption. If problems arise from the ingestion of a food that contains onion, the causes will be related to hygiene during the preparation of the dish or in the other ingredients.

This article is informational in nature and is not a substitute for professional medical opinion.

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Dr. Samantha Robson ( CRN: 0510146-5) is a nutritionist and website content reviewer related to her area of ​​expertise. With a postgraduate degree in Nutrition from The University of Arizona, she is a specialist in Sports Nutrition from Oxford University and is also a member of the International Society of Sports Nutrition.

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