Lettuce is grown as a vegetable leaf and is a member of the daisy family, lettuce is mainly served cold and raw in salads or sandwiches as a cooling to counterbalance to other ingredients due to its mild taste. Lettuce is grown for over 2500 years. It is a native to Europe and Asia, but is grown in all over the world today.
The name comes from the “milk” in Latin, the plant has a milky juice, milk is lac in Latin, in Spanish its leche and lait in French. Yazidis, who live in northern Iraq believe eating salad a taboo, because they believe that the evil is in it. Lettuce is considered as an aphrodisiac food in ancient Egypt. In China, this vegetable is usually eaten cooked and use the stem as important as the use of the leaf.
Salads can be eaten freely by diabetes patients, because it is very low in carbohydrates. Lettuce is perfect for those wishing to lose weight, because it is very low in calories. The high magnesium content in its juice has the exclusive power to vitalise the muscle tissue, nerves and brain.
Lettuce contains significant amounts of iron and provides a good shape of vegetable haemoglobin. Iron is needed frequently to meet the body’s needs. Lettuce improves digestion and is associated with improved liver health. Lettuce has a good content of dietary fiber, which is good for those who suffer from constipation and it helps digestion.
Romaine or cos lettuce salad is an excellent source of vitamin A, beta-carotene, vitamin K, folic acid, vitamin C, manganese and chromium, also a very good source of dietary fiber, vitamins and minerals 6.