Lettuce is one of the popular cool season leafy salad crops grown throughout the world due to its food value in diet. Among all, garden lettuce is being grown on commercial scale. Lettuce is most often grown as a leaf vegetable, but sometimes for its stem and seeds as well. This leafy vegetable is a nutritious and great source of minerals and vitamins. Apart from salad purpose, it is also used in soups, sandwiches and wraps or it can also be grilled. Lettuce is native to Egypt and later spread across the world. As lettuce is low in calories, it being used in weight loss programs.
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