1, lettuce, is an annual stem vegetables, after maturity of the stem skin is white and green, stem meat is green, generally need to peel off the skin as a vegetable fried food, more used to fry meat to eat.

2, lettuce, can be divided into stem lettuce and leaf lettuce two kinds of lettuce, leaf lettuce is I eat hot pot or hot spicy hot must point of lettuce, however, stem lettuce is we fried edible lettuce.

Lettuce and lettuce although two only a word difference, but the difference is still very big, lettuce is a variety of lettuce. If you go to buy seeds when others ask you to buy stem lettuce or leaf lettuce, you immediately think of stem lettuce lettuce, leaf lettuce is lettuce, do not get confused.

Second, the benefits of eating lettuce

1, clear bowel

Fresh lettuce contains a large amount of dietary fiber and water, it can promote intestinal peristalsis, accelerate food digestion, help stool excretion, prevent constipation.

2, enhance appetite

Lettuce stem and leaves contain lettuce, its taste bitter, but can stimulate gastric secretion, promote digestion, enhance appetite.

3, sedative sleep

Lettuce stem and leaf milky juice has a sweet and slightly bitter ingredients - inulin substances, which has a sedative, sleeping effect.