The common name of lettuce is lettuce leaf, also called goose feather lettuce, mashed lettuce and lettuce, which belongs to the genus Lettuce in Compositae. It is an annual or biennial herb crop with long obovate leaves and dense cabbage shape, which can be eaten raw, crisp and slightly sweet.

Because of the variety, lettuce can be eaten raw. Lettuce is a kind of food that can be eaten raw. It tastes fresh and tender. When eaten raw, you can taste its sweet and crisp taste, which can make the human body absorb more nutrients and keep the original leaves of lettuce. After washing fresh lettuce, the noodle sauce tastes particularly good.

Lettuce is rich in nutrients, including a large number of β-carotene, antioxidants, vitamin B 1, B6, vitamin E, vitamin C, a large number of dietary fiber, magnesium, phosphorus, calcium and other trace elements and a small amount of iron, copper and zinc. Strengthen the digestion and absorption of protein and fat, improve the blood circulation of the stomach, and eat lettuce often.

note:

Lettuce is cold, and people with frequent urination and stomach cold should eat it carefully. Because lettuce may contain pesticide and fertilizer residues, it must be cleaned before eating raw.

Extended data:

Lettuce is a kind of food especially suitable for raw food. Usually, people can taste its fresh and tender taste without destroying its nutrition. After eating, people can give full play to their health-preserving function, clear away the intestines and detoxify, moisten the intestines and relax the bowels, and regular eating plays an important role in losing weight.

Lettuce is sweet and cool. Because its stems and leaves contain lettuce, it tastes slightly bitter. It has the effects of clearing away heat, refreshing, relieving pain, hypnotizing, lowering cholesterol, and adjuvant treatment of neurasthenia. Lettuce contains mannitol and other effective ingredients, which has the effects of diuresis and blood circulation, liver-clearing and gallbladder-benefiting. ?

Lettuce contains a substance called protocatechuic acid, which has obvious inhibitory effect on cancer cells, especially in resisting digestive system cancers such as gastric cancer, liver cancer and colorectal cancer. Vitamin E and carotene in lettuce can protect eyes, maintain normal vision and relieve eye dryness and fatigue.

References:

Baidu encyclopedia-lettuce

References:

People's Network-People's Network Jiangsu Window-Eat more lettuce to improve immunity? It is healthiest to match three kinds of food.