Onions belong to the Allium family of plants, which also includes chives, garlic, and leeks. These vegetables have characteristic pungent flavors and some medicinal properties.
It is common knowledge that chopping onions causes watery eyes. However, onions may also provide potential health benefits. These may include reducing the risk of several types of cancer, improving mood, and maintaining skin and hair health.
Onions are a nutrient-dense food, meaning that they are high in vitamins, minerals, and antioxidants while being low in calories.
One cup of chopped onion provides:
- 64 calories
- 14.9 grams (g) of carbohydrate
- 0.16 g of fat
- 0 g of cholesterol
- 2.72 g of fiber
- 6.78 g of sugar
- 1.76 g of protein
|Nutrient||Percentage of daily requirement in adults|
|Vitamin C (RDA)||13.11% for males and 15.73% for females|
|Vitamin B-6 (RDA)||11.29–14.77%, depending on age|
|Manganese (AI)||8.96% for males and 11.44% for females|
Onions also contain small amounts of: