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.
Onions vary in size, shape, color, and flavor. The most common types are red, yellow, and white onions. The taste of these vegetables can range from sweet and juicy to sharp, spicy, and pungent, often depending on the season in which people grow and consume them.
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 might have positive effects on several different aspects of health.
- Cancer prevention
- Skin and hair
- Blood pressure moderation
- Heart health
- Immune system
- Regulating blood sugar
- Bone density in older women
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
Onions are a good source of?the following nutrients, according to the recommended daily allowance (RDA) and adequate intake (AI) values from the?Dietary Guidelines for Americans:
|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:
- the?antioxidants?quercetin and sulfur