
Onion (Allium cepa) is a very common household vegetable but also it maybe commonly ignored as its health benefits. Onions belong to the lily family and closely associated with garlic being of the same family (Alliaceae) and genera (Allium). It a vegetable in almost all types of dishes, sharp in taste and odor; it has antiseptic properties against a variety of bacteria and is rich in minerals such as iron, chromium, calcium, phosphorus, magnesium and vitamins A, B (especially folic acid), and C. Historical data indicates that it is very old medicinal vegetable, as far back as 4000 or 5000 BC. If we consider the numerous health benefits of antioxidants, it’s probably onion that will rank the top among the medicinal plants due its rich amount of quercetin. Although much hype has been associated with quercetin, the American Cancer Society (ACS) has not considered it to be definitive in the treatment of cancer; however, ACS considers it to reduce the risk of certain cancers. What is strikingly beneficial about onions is that it can also lower the risk of heart disease by lowering cholesterol and providing benefits to slow down coagulation which is preventive of stroke. Although there have been claims about quercetin to similar to chemicals produced by cancer cells, the International Agency for Research on Cancer (IARC) has classified quercetin to belong to Group 3 or an agent which is not classifiable to produce cancer in humans or technically non carcinogenic.
Onions are also a rich source of fibers and are beneficial to the colon. Aside from the fiber, it has fructo-oligosaccharides (FOS) which supports good bacteria such as Lactobacilli. So remarkable is this vegetable such that it is anti-bacterial and yet it supports good bacteria. What’s more, it is commonly used to improve defense and well being when taken if we have colds and flu.
As we have been using onions to our liking ad libitum, in salads, soups, pasta, etc. we are convinced that with our long history of onion use and amounts consumed, onions are more beneficial to humans than otherwise. It is recommended to have 50 gms of fresh onions daily or 20 gms of dried onions. We even have local folks who have eaten onions like apples and have lived to 80 years and longer. So enjoy your meals with onions.
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