Onions belong to the lily family of plants. Other members of this family include garlic, leeks, shallots, etc. Onion has over 500 species such a yellow onion, green onion, white onion and much more. Each type of variety has its separate taste and flavour, ranging from mildly sweet to very strong. Onion has not just been used for centuries especially in the east to make food tasty, but it is also known for the therapeutic, ornamental and medical effects it exhibits.
Onion contains the following; thiosulfonates, sulfoxides and sulphides which produce the eye-irritating effect. The thiosulfonates show antimicrobial properties that allow the effectiveness of onion in treating infections included by E.coli, Salmonella, and Bacillus subtilis. Research has shown that onions are quite useful in lowering cholesterol level and preventing atherosclerosis. Healthy in the onion. However, onion makes a rich dietary source of flavonoids, which protects against numerous cardiovascular diseases.
As onions contain compounds with fibrinolytic activities, they make the best natural anti-clothing agents and help platelet-clumping. Onion makes a rich source of fructo-oligosaccharides which reduces the growth of healthy bacteria in the colon and decreases the harmful growth of bacteria. Red onion contains antioxidants that protect the growth of a tumour, especially in the colon.
The use of onion is effective for treating poor appetite, cough and cold. Onion is useful in treating the different health problems like tuberculosis, bronchitis, sinus conditions, pneumonia and insomnia. However, it is also a natural relief for inflammation of nerves or “vertigo” and skin problems like vitiligo, warts and freckles. It is also a little bit laxative; it is beneficial for hair, eyes and nails, it helps to kill tapeworm and other parasites in the intestine and increases the production of urine. Onion is believed to reduce bronchial spasms; thus reducing allergy-induced bronchial constriction in asthma patients especially old ones.
As far as onion’s nutritional value is concerned, it contains lots of minerals and vitamins. Onion is an excellent source of vitamin A, B, and C. The minerals include calcium, phosphorus and potassium. Onion also contains protein.
To give your body the healthy benefits like that of onions, you can also take supplements which contain the nutrients mentioned above and add them to your daily dietary routine.
Read also: why too much of protein is not good.