Lettuce leaves can be eaten, and the vitamin content of lettuce leaves is generally higher than that of the stems, and the carotene content in the leaves is dozens of times higher than that in the stems, vitamin B1 is twice as much as that in the leaves, vitamin B2 is five times as much, and vitamin C is three times as much. Niacin content in leaves is not only higher than in stems, but its antioxidant effect is also better. In addition, the leaves contain a large amount of calcium, which is very unfortunate if discarded. The rich vitamin C contained in lettuce leaves can also block the formation of carcinogens nitrosamines.
2 lettuce leaves of food value 1, open and ease, eliminate accumulation of gas
lettuce taste fresh and slightly bitter, can stimulate the secretion of digestive enzymes, enhance appetite. Its milky pulp can enhance the secretion of gastric juice, digestive glands and bile secretion, thus promoting the function of the digestive organs, and it is especially beneficial for patients with weakened digestive function, reduced acidity in the digestive tract and constipation.
2, diuretic breastLettuce potassium content is much higher than the sodium content, is conducive to the body's water electrolyte balance, promote urination and milk secretion. For hypertension, edema, heart disease has a certain therapeutic effect.
3, strong body, anti-cancerLettuce contains a variety of vitamins and minerals, has the role of regulating the function of the nervous system, which contains organic chemical content rich in human absorption of iron, iron deficiency anemia is very beneficial to patients. The hot water extract of lettuce has a high inhibition rate of certain cancer cells, so it can be used to prevent and fight cancer.
4, wide bowel movementLettuce contains a lot of plant fiber, can promote peristalsis of the intestinal wall, fluent digestive tract, help stool excretion, can be used to treat all kinds of constipation.