Onion
Allium cepa L.) , also referred to as the bulb onion or common onion, is a vegetable. This particular species is the most extensively produced species of [...] Allium . The onion plant is usually a biennial or perennial plant. When cultivated however, the plant is mostly handled as an annual and harvested at the [...] therefore cultivated and used for cooking all around the world. Their flesh is pungent when chopped, because it contains particular chemical elements that