Onion is part of the family (Liliaceae) .This vegetable is also used for its organoleptic qualities as the content of salts and vitamins. There are several different types of onions in shape, color, and depending on the period in which cultivated (spring-summer or autumn-winter). Curiosity: we can avoid tears when we expect it under running water. Onions have pharmacological properties, the data is detergent, relaxing and antiseptic.