The onion, also known as the bulb onion or common onion, is a vegetable and is the most widely cultivated species of the genus Allium. The humble onion is found in every kitchen, but its curative powers make it an important medicinal plant too. Like garlic.
Onion as a very good source of biotin and a good source of manganese, vitamin B6, copper, vitamin C, fiber, phosphorus, potassium, folate, and vitamin B1, this richness in conventional nutrients is accompanied by their unique phytonutrient content.
Onions not only provide flavor, they also provide important nutrients and health-promoting phytochemicals. High in vitamin C, onions are a good source of dietary fiber, and folic acid. They also contain calcium, iron, and have a high protein quality (ratio of mg amino acid/gram protein). Onions are low in sodium and contain no fat.
