What vitamins are found in onions. What vitamins does onion contain, and what are its benefits for the body

Onions are one of the most popular vegetable crops. He is famous among many nations. Each of us knows well that onions can be consumed raw, stewed, fried, canned. And we rarely think about what is useful in the onion, what is its vitamin composition. We will talk about this in the article.

The rich content of vitamins and minerals in onions, along with excellent taste, makes it widely demanded in cooking.

Important! Not only fragrant bulbs, but also husks and green mass (“feathers”) contain a considerable amount of vitamins and microelements.

Onions contain:

  1. Vitamin C or ascorbic acid. A well-known antioxidant, due to which collagen is produced in the body. Its role is significant: it is responsible for the process of cell rejuvenation and regeneration, renewal and formation of the skin, bone tissue, blood vessels, etc. Vitamin C has a beneficial effect on the immune system, takes part in the redox processes of the body.
  2. Vitamin A to which the human immune system owes its existence. Beta-carotene is also an antioxidant. It actively affects the visual function and a number of functions. nervous system. Takes part in the process of hormone production, bone formation. Quality and Quantity breast milk women are directly dependent on vitamin A.
  3. Vitamin B1, or thiamine. His "duties" include ensuring the proper course of metabolism. Do not believe that nerve cells do not regenerate. This vitamin is responsible not only for the formation, but also for the systematic renewal of the cells of the nervous system. Without thiamine, it is impossible to imagine the normal transfer of genetic information between cells during reproduction.
  4. Riboflavin, or vitamin B2 actively involved in the process of hematopoiesis. Without his participation, the normal functioning of the adrenal glands is impossible. It also protects the visual organs from exposure to ultraviolet rays. Vitamin B2 takes part in the synthesis nerve cells central and peripheral nervous systems.
  5. Vitamin B9(another name is folic acid) is useful for women during pregnancy. It plays an important role in the formation of DNA and the nervous system of the fetus. Moreover, folic acid enhances female fertility.
  6. Vitamin E(tocopherol) promotes the renewal of all body systems and protects it from the influence of harmful factors due to antioxidant properties. Participates in the process of digestion of proteins and fats. Tocopherol affects the strengthening of human immunity, and in the process of hematopoiesis, it helps to normalize clotting and accelerate healing. Vitamin E also affects the functioning of the reproductive system, and its use is the prevention of infertility.
  7. Vitamin PP(niacin, nicotinic acid) is responsible for the level of sugar and cholesterol in the body, energy production.

What minerals are found in onions

onion onions contain a large amount of a special substance - a flavonoid called "quercetin", which breaks down fats and slows down the growth of cancer cells. The bulbs contain phytoncides, which are famous for their bactericidal action, and sugars, organic acids, and minerals.

Sharpness and specific smell this vegetable is obliged to essential oil.

Reference. The water content of a vegetable is approximately 89%. It contains a lot of carbohydrates, mono- and disaccharides, but less proteins, fiber, pectin, organic acids and starch.

What kind useful substances are in onions(in descending order of concentration):

  • zinc;
  • iron;
  • manganese;
  • potassium;
  • copper;
  • phosphorus;
  • calcium;
  • fluorine;
  • sodium;
  • magnesium;
  • cobalt;

Useful substances for the human body

Onions are in the honorary row of products that enrich our diet with minerals and vitamins, and are actively used for medicinal purposes.

What is the use of onions

The bulb, in addition to vitamins, contains a huge amount of active substances and natural antibiotics.. Onions have anti-inflammatory and antimicrobial properties. In its composition, you can find alkaloids and saponins, inulin and carotene, natural sugars and mineral salts, a considerable amount of fiber and dietary fiber.

Interesting. The smell of onions, which some find unpleasant, has a calming effect, eliminates anxiety and promotes early sleep.

Fresh onions are used to dissolve scars and bruises. Onion masks stimulate hair growth, which is explained by the local irritating effect of onion juice. Onion extract is an ingredient in many patented alopecia treatments.

As an external remedy, baked onions are used.. It is applied to small wounds, abscesses and boils. It is able to draw pus from wounds, soften calluses and eliminate spurs.

Norms and rules of use

All who seek to lead healthy lifestyle life and keep proper nutrition Include as many fruits and vegetables in your diet as possible. But some foods can do both good and bad when abused. The list of such "controversial" products includes onions.

Overeating this vegetable can adversely affect health.

What are the restrictions on the use per day

Onions are useful only in moderate doses. Daily rate fresh vegetable for an absolutely healthy person is approximately 100 g. Boiled onions have less useful substances due to the heat treatment process. But in this form, you do not need to use it too much.

The optimal portion for an adult is no more than 200 g. Fried onions are also recommended to eat only in limited quantities - 100 g per day. Do not forget that it is high in calories. But the beneficial properties are manifested if there are no more than two onions a day.

How much onion do you need to eat for it to be beneficial

To get the maximum, it is worth remembering that 150 g of this vegetable (approximately one large onion) contains half the daily requirement of vitamins for the human body and a fifth of the required amount of trace elements that are in the onion.

Possible harm and contraindications for use

Main the harmful effects of onions come down to:

  • irritation of the mucous membranes of organs with all the ensuing consequences (for example, exacerbation of ulcers, gastritis, asthma);
  • some inhibition of brain processes (for example, drowsiness);
  • negative impact on the beneficial intestinal microflora.

The use of onions is strictly prohibited. in the acute stage, since it contains essential oils that irritate mucous membranes, a large amount of acids and dietary fiber - they can cause bloating, colic, and diarrhea in a patient.

Conclusion

Onions can be called a universal product. Thanks to vitamins and microelements, onions are widely used in cooking, medicine, cosmetology and dietology. Onions have been proven many times over for their health benefits and therefore have become an integral part of our diet.

Onion is a vegetable that is known for its unusual taste and strong tear effect. This product is so widespread that it is used for cooking in almost all cuisines of the world. But besides a spicy seasoning for dishes, onions are also a very useful vegetable, rich in various useful substances.

By visiting various Internet resources on the topic healthy eating, it is impossible not to notice that many users often ask the question of which onion is more useful: onion or green? What vitamins are in onions? This article is devoted to these and other questions.

Onion

Onions are the most common and used. And this is not surprising: onions contain essential oils, vitamins A, B and C, as well as many macro- and microelements. It is impossible not to say about the presence of phytoncides, which not only destroy all harmful microorganisms that have entered our body, but also have a general strengthening effect on the immune system. That is why this type of onion is best used for the prevention of SARS and during the season of colds.

In addition, onions help cleanse the blood of harmful toxins and are an indispensable product in the fight against hemorrhoids, gastritis, hypertension and diabetes. It has been proven to have a positive effect on the cardiovascular system, central nervous system and gastrointestinal tract.

Onions have a powerful antiseptic effect on burns, abrasions and other skin lesions.

To eliminate them, it is necessary to attach a thin skin of a vegetable to a diseased area and cover with gauze. Onion puree will speed up the healing of the wound and prevent the formation of a scar.

green onion

Despite all the benefits of the previous species, do not ignore the fact that green onions also contain vitamins. This vegetable contains vitamins A, B, C and E, as well as folic acid.

Vitamins in fresh green onions help the human body during spring beriberi, which manifests itself in chronic fatigue, decreased performance, apathy and dizziness. This type of onion is also great for respiratory diseases.

People wondering what vitamins are in green onions do not even suspect that this vegetable has a shock dose of zinc that strengthens hair and nails. This product is strongly recommended to be consumed by people with a lack of zinc in the body. In addition, green onions should be added to your diet for those who are prone to cardiovascular diseases, as they are rich in substances that improve heart function and strengthen blood vessels.

One of the main advantages of this vegetable is the improvement of appetite. Onion stabilizes the digestive processes and promotes better absorption of food. But do not forget that it is undesirable to store green onions for a very long time, since it can lose all its positive properties.

Elderly people should take into account all of the above factors and add this product to the diet in order to maintain a young state of the body for as long as possible and alleviate age-related diseases.

What can be said in the end? Both varieties of onions are useful in their own way, they should definitely be included in the diet.

The benefits of onion skins

Onions are such a versatile vegetable that their husks can also have a positive effect on health. We have already discussed what vitamin is contained in onions, now it's time to talk about onion peels.

Onion peel is rich in magnesium, calcium, iron, as well as various useful minerals and vitamins A, B, C and PP. It has been scientifically proven that the fibers in cleansers can prevent heart problems, gastrointestinal disease, and colon cancer.

What other positive properties does the husk have?

  1. It has a healing effect in the treatment of ailments of the throat and oral cavity (for example, stomatitis or tonsillitis).
  2. Strengthens the immune system.
  3. It has antitumor, antispasmodic, antiseptic, diuretic, laxative, choleretic and expectorant effects.
  4. With the use of infusion, you can significantly lower blood pressure.
  5. Improves the performance of the heart.
  6. Removes unnecessary accumulations of sodium and chlorine from the body, which also positively affects the functioning of the heart.
  7. Treats skin lesions and diaper rash.
  8. Strengthens hair during rinsing.
  9. Slows down senile processes in the body.

To prepare an onion infusion from the husk, you must proceed as follows:

  • Chop the onion skins. It must be clean and dry.
  • Pour two tablespoons of the resulting mixture with a glass of boiling water.
  • Place on the stove and simmer for 15 minutes over low heat.
  • When the broth has cooled, strain it, and then safely use it for its intended purpose.
  • The infusion can be stored in the refrigerator for up to 6 hours.

Contraindications

Do not forget that excessive consumption of onions can harm. It is worth excluding this product from the diet in such situations:

  • acute bowel disease;
  • acute form of gastritis or ulcers;
  • kidney disease;
  • liver or heart problems.

If you have at least one of the above diseases, then you need to discuss the consumption of onions with your doctor.

So, we learned about what vitamins are in onions, how onions differ from green onions. Eat this wonderful garden plant for health, strengthen the immune system and increase the body's defenses. Share useful information with family and friends, so that as much as possible more people learned about useful properties oh this incredible vegetable!

What vitamins are in onions, how they affect health, is of interest to many, and for good reason, because this is one of the most commonly used root crops. It is added to almost all vegetable, meat, fish dishes; it is simply impossible to imagine our cuisine without this vegetable. This is wonderful, because the root crop really contains a large number of various useful components.

To date, more than 500 varieties of vegetables have been bred. by the very famous view is onion, so let's consider its health-improving qualities. It is important that in addition to the benefits, it gives a pleasant sharp taste, which many people like so much.

Useful substances of the bulb

The chemical composition of the bulbs includes elements such as:

  • proteins, fats, carbohydrates, dietary fiber;
  • essential oils, phytoncides;
  • mineral salts;
  • organic acids;
  • sugar;
  • potassium (175 mg per 100 g), sulfur (65 mg), phosphorus (58 mg), calcium (31 mg), chlorine (25 mg) , magnesium (14 mg), sodium (4 mg).

Are in onions and many vitamins.

Here is a list of the main ones, supplemented by the most important properties:

  1. C, or(10 mg per 100 g). Strengthens the body's defense system, makes the aging process slower, lowers blood sugar and blood pressure. Excellent fights against a variety of bacteria and inflammatory processes.
  2. , or tocopherol(1 mg). It has a positive effect on the cardiovascular system, strengthens blood vessels, thins the blood, thereby preventing the development of blood clots.
  3. , or thiamine(0.05 mg). It has a great effect on brain function, improves the condition of the gastrointestinal tract, strengthens the cardiovascular system, and restores immunity.
  4. IN 2,(0.02 mg). Supports the body's work on the production of blood, splitting, excretion of fats. It has a good effect on the skin, accelerating the healing of wounds, and also increases the elasticity of the skin, which is useful for pregnant women and losing weight.
  5. B3, or(0.5 mg). It normalizes the level of cholesterol and sugar in the blood, positively affects the work of the central nervous system.
  6. B5, or(0.1 mg). Participates in the production of hemoglobin, the synthesis of glucosteroids, is responsible for muscle contractions.
  7. , or pyridoxine (0.1 mg). Regulates the level of homocysteine, the excess of which leads to the development of cardiovascular diseases, improves memory, sleep and mood.
  8. B9, or(9 mcg). Promotes the body's production of endorphins - "happiness hormones" that affect mood and performance. Helps the liver, urinary tract, gastrointestinal tract.

The benefits of the bulb

Onions are the main weapon of man in the fight against. No wonder it is advised to include it in the diet more often in the off-season and in the winter season. Another well-known property of this fruit is the fight against colds. The amount of vitamin C contained in the bulbs is not much inferior to the same indicator in some citrus fruits.

According to scientists, another important quality of the vegetable is the content of substances that reduce the risk of developing cancerous tumors. In addition, the root crop helps cleanse blood vessels, lower blood sugar levels, so it is very important for people with diabetes, hypertension, hemorrhoids.

An interesting fact is that fried or boiled onions do not lose vitamins and minerals.

Benefits of green feathers

What vitamins are in green onions? Green onions, as bulb feathers are usually called, are also rich in many useful elements. Just like onions, it helps to fight against the lack of useful trace elements and colds. Feathers have a positive effect on the reproductive function of women and men, on the growth of hair and nails, on teeth and gums.

Green onions increase appetite and improve performance digestive system. It is very useful for men, as it reduces the risk of prostatitis. Feathers also help lower cholesterol levels.

Now here is a list of what vitamins are found in green onions:

  • IN 1;
  • IN 2;
  • RR (B3 ) ;
  • E.

These are just the vitamins that are most in onions. As you can see, even such a list is quite large. The sprouts are rich in mineral salts, which have a beneficial effect on the skeleton.

Husk application

The use of infusion of onion peel will also give a lot of benefits to the human body. Both the infusion and the husk decoction help with hypertension, edema, constipation, bile stasis, and sputum accumulation. Doctors recommend using a decoction for the prevention of cancer, heart disease, and allergies. The calcium content of the infusion makes it a useful mouthwash.

The liquid is used even for cosmetic procedures, for example, as a tonic to slow down the aging of the skin or a hair rinse.

Harm to the root crop

Unfortunately, any food has contraindications, this vegetable is no exception. It is not recommended for people suffering from gastrointestinal diseases. For example, with a stomach ulcer, colitis or gastritis, onions will only worsen the condition . At bronchial asthma or problems with the liver, it is also contraindicated. Even what vitamins the onion contains does not allow people with the diseases listed here to use it.

Now you know what vitamins are contained in onions, why use it when cooking. Onions are a wonderful vegetable that will improve the taste of many dishes and benefit the body. Do not forget that you need to use it in moderation, like any other products, then the root crop will give you all its benefits.

Every day the human body requires a certain amount of vitamin and mineral substances for the organization of normal functioning. internal organs and their systems. Most of the nutrients come to a person with food. For this reason, it is extremely important that the diet is balanced. It is believed that vegetables contain the most valuable substances. What vitamins are in onions are of interest to many inhabitants, because it is added to almost all dishes as a seasoning.

Vitamin and mineral composition

There are several varieties of this vegetable. In the territory Russian Federation most common green onion and onion. The calorie content of one hundred grams of the product is on average 30.8 Kcal, and the main substances in their composition are:

  • proteins - 1.4 g;
  • fats - 0.2 g;
  • carbohydrates - 8.2 g;
  • water - 86 g;
  • dietary fiber - 3 g;
  • di- and monosaccharides - 8.1 g.

The taste qualities of the vegetable are characterized as spicy, peninsular, sweet. Its huge benefit is due to the large number of vitamin and mineral substances present in the composition. Despite the fact that it can cause increased tearing at the time of cutting, the vegetable has a beneficial effect on the human body.

Leek

Vitamins in green onions are represented by particles belonging to groups such as:

All substances favorably affect the functioning of internal organs and their systems. It is for this reason that green onions play the role of an anti-inflammatory, antioxidant agent.

Onion

Vitamins in onions are represented by substances belonging to groups such as:

Vitamins and minerals in this vegetable determine its beneficial properties. It is extremely important to consume up to 200 g of a fresh or dried product daily so that the body receives a sufficient amount of valuable elements.

Benefits of eating

The fact that the product contains a lot of vitamin allows it to have a beneficial effect on the human body. It consists in:

  • prevention of the formation of cancer cells, the development of oncological diseases;
  • reducing the risk of developing prostate diseases;
  • increased appetite;
  • improving the functioning of the digestive system;
  • prevention of the development of infectious and viral diseases;
  • improvement of hematopoietic processes;
  • improving the condition of the hair, nail plate;
  • prevention of diseases of the genitourinary system in men and women, improvement of the functioning of the reproductive system;
  • increasing the body's resistance to viruses of various origins;
  • strengthening the heart muscles, vascular walls;
  • improving the condition of teeth, enamel coating;
  • prevention of the development of prostate diseases.

The use of the product in large quantities can still cause irreparable harm to the human body. For this reason, before including it in your daily diet, you should make sure that people do not suffer from allergic reactions to it.

Onion damage

Considering what valuable substances are in the composition of the vegetable, many believe that its use is completely harmless. Actually this is not true. It is important to follow the daily intake. Many people ask how many vegetables to eat per day. The allowable rate for each person is 200 g. However, some groups of people should limit its use. These include people suffering from:

  • colitis;
  • gastritis;
  • peptic ulcer of the stomach, duodenum;
  • acute painful conditions of the stomach;
  • diseases of the kidney organs;
  • diseases of the hepatic organs;
  • diseases that affect the functioning of the cardiovascular system.

If a person suffers from one or more of these pathologies, it is worth contacting a nutritionist who will indicate an acceptable daily allowance. It is important to follow the recommendations, otherwise you can end up in a hospital bed with a deterioration in your own condition.

The benefits of onion tincture

Having learned about the beneficial properties of onions, many begin to make medicines from it, trying to get rid of various kinds of diseases. These usually include:

  • respiratory type infections;
  • cough;
  • allergic rhinitis;
  • bronchitis and bronchial asthma;
  • ENT diseases (otitis media, sinusitis);
  • diabetes;
  • hemorrhoids and others.

However, it should be understood that you can use tincture or onion juice only when the body normally perceives them. It is forbidden to use the indicated folk remedy if a person has conditions such as:

  • gastritis, accompanied by hypersecretion;
  • frequent disturbances of consciousness;
  • increased drowsiness;
  • peptic ulcers;
  • migraine;
  • violations of the functioning of the renal organs;
  • acute heart failure.

For this reason, it is worth consulting with your doctor before using. folk remedies taken orally. Lotions with onion juice help with bruises, sprains and varicose veins.

The benefits of onion skins

Not only the vegetable and its juice have beneficial properties. Onion peel is used for various diseases, as well as to improve the condition of the skin, hair, and nail plate. Its composition includes substances that have the following effects:

  • anti-cancer;
  • antiseptic;
  • antispasmodic;
  • choleretic;
  • diuretic;
  • laxative;
  • expectorant.

It is also known that taking a decoction of onion peel helps to remove excess deposits of sodium, chlorine particles. This is extremely important for people suffering from diseases of the cardiovascular system. It is known that the use of lotions from a decoction of onion peel can save a person from convulsive conditions that occur in the lower extremities.

Rinsing the hair with such a decoction can make them obedient, easy to comb, shiny. If you wipe your face every evening with the indicated infusion, you can slow down the aging process, and then boast of the perfect condition of the skin. At least inflammation and black dots will not appear.

Onions contain 8 types of vitamins and 7 minerals that have a beneficial effect on the human immune, nervous and circulatory system, water-salt metabolism and the gastrointestinal tract. For medicinal and cosmetic purposes, both the bulb itself and its leaves are used.

When evaluating the beneficial properties of the product, you need to pay attention to what vitamins are contained in onions and how they affect the state of the body.

Thiamine (B1)

100 g of fresh vegetable contains 0.05 mg. thiamine. It is necessary for nutrition of skeletal muscles, regulation of growth processes. The human body cannot synthesize it on its own, so the only way to get vitamin B1 is to eat foods rich in it.

Riboflavin (B2)

Onions contain a small amount of this organic compound - only 0.02 mg per 100 g of fresh product. Riboflavin significantly accelerates the processes of regeneration and metabolism in the body, but since its share is small in onions and green onions, it will not be possible to correct an acute vitamin deficiency using this product alone.

Nicotinic acid (B3) and folic acid (B9)

For people who are prone to thrombosis, it is important to know which vitamins in onions have an anticoagulant effect. These are nicotinic acid (0.5 mg per 100 g) and (9 μg per 100 g). Both organic compounds have a positive effect on the processes of cell division, the walls of blood vessels.

Pantothenic acid (B5)

The substance can accelerate water-salt metabolism and ensure the absorption of other B vitamins in the body. 100 g of onion contains 0.5 mg. pantothenic acid - this is enough for daily consumption of the product in such an amount to fill the daily human need for vitamin B5.

Ascorbic acid (C)

100 g of the plant contains 10 mg of the substance - this is about 3 times higher than the proportion of all B vitamins combined, which are present in this vegetable. This ratio clearly indicates which vitamin contains the most onions. Ascorbic acid is involved in the processes of blood clotting and helps the body develop resistance to infectious diseases.

Minerals in the product

In addition to vitamins, onions contain macro- and microelements that support the functioning of internal organs, circulatory system and affect the state appearance person.

Potassium

100 g of the plant contains 175 mg of the macronutrient. This is 3 times more than the amount of each of the other six minerals that are present in this product. Potassium is responsible for the normal functioning of the posterior and forebrain and the maintenance of acid-base balance. But the daily requirement of an adult organism for this macronutrient ranges from 1800 to 4500 mg, so onions cannot adequately replenish it.

Calcium

The substance strengthens bones and teeth, participates in the processes of blood coagulation, secretion of hormones and normalization of the endocrine system. The content in 100 g of onion is 31 mg. Its absorption depends on what vitamins the onion contains. The main condition for good absorption is the presence of D vitamins, but they are not part of this product, so the calcium obtained by eating onions is not able to sufficiently strengthen the skeletal system.

Sulfur

There are 62 mg in 100 g of fresh product. sulfur. Since the substance contains melanin and keratin in its composition, onions can positively affect the condition of the hair: onion gruel masks make them smooth and shiny.

Phosphorus

Chlorine

The substance takes part in creating a favorable environment for the production of enzymes gastric juice found in muscle and bone tissue. In addition, chlorine is involved in the production of hydrochloric acid, therefore, when eating onions, the processes of digestion of food improve.

Magnesium

100 g of fresh product contains 14 mg. magnesium, but the degree of its absorption by the body depends on which B vitamins are in the onion. Since the vegetable contains riboflavin, it slows down the absorption of this macronutrient. improves blood circulation, regulates the processes of protein synthesis and helps normalize intestinal motility.

Sodium

The plant contains a very small amount of this mineral: only 14 mg. per 100 g of the product. It is practically not absorbed by the body due to the fact that the vegetable contains a large amount of potassium, which inhibits the absorption of sodium by the small intestine and stomach walls.

What can interfere with the absorption of useful elements?

  • Thiamine and riboflavin will not be absorbed if onion is consumed while intoxicated or if the tincture of this vegetable is prepared with alcohol. Both of these substances are insoluble in alcohol. Alcohol will slow down the absorption of potassium.
  • All and a significant part of ascorbic acid will evaporate during the heat treatment of green and onions.
  • If you eat a vegetable along with fatty foods, then the minerals that make up its composition will be poorly absorbed by the intestinal walls. This is especially true for magnesium.

Information about which vitamins and minerals are present in onions more than in other vegetables will help when using the product as a therapeutic and cosmetic product.