#Onions are a nutrient-dense food, meaning that while they are low in #calories, they are high in beneficial nutrients like vitamins, minerals, and antioxidants.
One cup of chopped onion contains approximately 64 calories, 15 grams of carbohydrate, 0 grams of fat, 0 grams of #cholesterol, 3 grams of fiber, 7 grams of sugar, 2 grams of protein, and 10 percent or more of the daily value for vitamin C, vitamin B-6, and manganese. Onions also contain small amounts of #calcium, iron, folate, magnesium, phosphorus, and potassium, and the antioxidants quercetin and sulfur.
Allium vegetables have been studied extensively in relation to #cancer, especially stomach and colorectal cancers. Their beneficial and preventive effects are likely due in part to their rich organosulfur compounds. The exact mechanism by which these compounds inhibit cancer is unknown, but hypotheses include the inhibition of tumor growth and mutagenesis, and prevention of free radical formation. Onions are also a source of the strong antioxidant #vitaminC that helps to combat the formation of free radicals known to cause cancer.
Source: https://www.medicalnewstoday.com/articles/276714.php
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#Onions #calories #cholesterol #calcium #cancer #vitaminC
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