Excessive consumption of lettuce side effects

Lettuce is also known as lettuce, lettuce, chopped bamboo shoots, fragrant bamboo shoots, Qianjin Cai, is the main vegetables in summer and autumn hot season. Its taste is crisp, light green fragrance, all ages.

Chinese medicine believes that lettuce is bitter, cold, beneficial to the five internal organs, through the meridians, strong bones, white teeth, open chest, Lee urine and other effects, can treat high blood pressure, chronic nephritis, postpartum milk barrier embolism.

Usually people eat lettuce stems, in fact, the leaves are also edible, and the nutritional value is higher than the stem. The content of vitamin C in leaves is 4 times that of stems, and the content of carotene is nearly 6 times that of stems. Protein, sugar, iron and other contents are also higher than stems.

When cooking lettuce, do not put too much salt, because lettuce is afraid of salt, salt should be less delicious.

Some components of the lettuce have stimulatory effects on the optic nerve, so excessive or regular consumption of lettuce will cause drowsy and lethargy poisoning reactions, leading to night blindness or other eye diseases. The night blindness and eye diseases caused by eating more lettuce just stop eating lettuce and it will get better in a few days.

The lettuce should not be squeezed out of water before it is crushed, although it can increase the crispness of the lettuce. However, from a nutritional point of view, this will lose a lot of water-soluble vitamins.