Onion: A secret nutritional superstar

20 November, 2019 12:00 AM printer

Onion: A secret nutritional superstar

Many of us concerned with the health benefits of onions and feared that we are depriving from some nutrients that impacts health by cutting the amount.

But do these plants actually add any health benefits to our dishes? Or are they purely for flavor? This current attempt may clarify why onions are good for health and should keep small amount in our daily diet. We do not use onions only to adding flavor and taste, it has benefits too and therefore, the dietary guideline for Bangladesh recommended spices that includes onion, garlic, ginger, turmeric and chilli all together to one serving (20g) daily.

May Help Reduce Cancer Risk

Onion contains properties such as sulfur compounds and flavonoid antioxidants, such as quercetin found in allium vegetables which are capable of reducing cancer and other related ailments. These vegetables decrease tumour development and slow the spread of ovarian and lung cancer.

May Control Blood Sugar and Heart Disease

Onions are also one of the richest sources of chromium, a metal which increases the action of insulin, and may therefore help control blood sugar levels. High blood sugar levels can ultimately lead to complications including heart disease.

Aids Digestion

Onions also aid digestion, it contains a special type of soluble fiber called oligofructose, which promotes good bacteria growth in the intestines; this helps digestion and at the same time, prevents and treats all forms of diarrhea. This fiber also reduces the chances of developing gastric ulcer.

Eases Respiration

The anti-inflammatory properties of onions can help soothe respiratory ailments. According to medical practitioners, patients with a respiratory disorder like asthma and allergic rhinitis should include onions in their diet.

Improves Eyesight

Onions have the capacity to stimulate the production of a protein named glutathione, which acts as an antioxidant. This reduces the risk of glaucoma, macular degeneration and cataract. Also, the selenium in onion helps to increase the Vitamin E found in the eye.


Dina Farhana, Nutritionist, work for an NGO [email protected]