Onion (Allium cepa L) is one of the important ingredients used in daily meals all over Pakistan. Onions are used in soups, salads, sauces and for seasoning foods. Onions as a part of diet may play a part in preventing heat disease and other ailments (suggested by medical research). It is rich in phosphorus, calcium and carbohydrates. Onion is an important crop all over the world. In Pakistan, the major growing areas are Kasur, Gujranwala, Sheikhupura, Vehari, Khaniwal, D.G. Khan, and Jhang in Punjab, Hyderabad, Mirpurkhas, Sanghar, Sukkar, Naushero Feroze and Badin in Sindh, Swat in NWFP and Mastung, Kalat, Chagi, Khuzdar and Turbat in Balochistan. More than 50 percent of the total production comes from seven districts, namely, Hyderabad, Mirpurkhas, Sanghar, Swat, Mastung, Kalat and Turbat.
Onion is one of the inportant condiments widely used in all household all the year round. The green leaves and immature and mature bulbs are eaten raw or used in preparation of vegatables. Onions are used in soups, sauces and for seasoning foods. The small bulb one pickled in vinegar. Recent research has suggested that onion in the diet may play a part in preventing heat disease and other ailments. Onion bulb is rich in phosphorus, calcium and carbohydrates.