1, lettuce leaves contain a lot of oxalic acid, direct consumption will be very acidic and bitter taste, lettuce leaves blanching, not only can improve the taste, so that the oxalic acid decomposition, but also remove some of the harmful substances in lettuce leaves. Lettuce leaves blanch quickly, water boiling hot 2-3 minutes, blanching will become more green, more favorable with our absorption.

2, lettuce leaves contain carotene, copper, zinc, vitamin e, dietary fiber, vitamins, carbohydrates, iron, niacin, fat and protein, iron content is very rich, can be well absorbed by the body as well as the use of the treatment and prevention of anemia caused by a lack of iron, niacin can make the secretion of insulin more, can effectively solve the problem of diabetes. The problem of diabetes.