The onion has beneficial properties for the whole body. In particular they have shown to have antioxidant properties, an anti-inflammatory action and the ability to suppress the growth of harmful microorganisms. Let’s now deepen the benefits that the onion brings to health.
1. Antimicrobial action of onions
The consumption of onions can suppress the growth of harmful microorganisms, such as bacteria and yeasts thanks to the action of sulfur compounds and quercetin.
2. Blood glucose regulation
Studies on animals, but also on humans, have shown that onions can lower blood sugar levels . In particular, a 2010 study published in Environmental Health Insights , investigated the hypoglycemic effect of red onions in patients with type I diabetes and type II diabetes , demonstrating that the consumption of 100 grams of raw onions a day would result in a significant reduction in blood glucose.
3. Bone health
The onion is also good for the bones. Animal studies have shown that the consumption of onions has protective effects against osteoporosis and also improves bone mass. In confirmation of these results, a large 2009 observational study published on Menopause , which involved over 35 million women aged at least 50 years, has shown that the regular consumption of onions is related to the increase in bone density and reduction of the risk of hip fracture of over 20% compared to those who have never consumed onions.
4. Diuretic action and detox of the onion
The consumption of onions, thanks to the water content, promotes diuresis and elimination of waste , resulting in an aid to combat water retention and a food friendly to diets. Moreover, thanks to its antibacterial and anti-inflammatory properties, onion is considered a good natural remedy against cystitis .
5. Prevention of tumors
Numerous observational studies have associated increased consumption of onions to reduce the risk of different types of cancer such as stomach, breast, colon and prostate.
6. Cardiac health
The properties of the onion also extend to the health of the heart. The studies carried out on animals have shown that the sulfur compounds present in these vegetables would have an anticoagulant action , reduce blood levels of cholesterol and triglycerides and also improve the function of the cell membrane of red blood cells.
7. Expectorant and decongestant function
Thanks to its antibiotic, mucolytic and anti-inflammatory action, the combination of onion syrup with a little honey is the ideal grandmother’s remedy for respiratory diseases such as phlegm, sinusitis, pharyngitis, laryngitis, bronchitis, cough and bronchial asthma.
8. Better sleep and mood
The folates present in the onions prevent an excessive formation of homocysteine in the body which, if in excess, can interfere with the production of the good mood hormones (serotonin, dopamine and noradrenaline) which regulate not only the mood, but also the sleep and appetite.