Lettuce is more nutritious when eaten raw, but it is not well absorbed. And it is safer to eat cooked lettuce.
Although raw lettuce has many nutrients and high absorption of vitamin C, the absorption effect of other nutrients is poor. After cutting lettuce and frying it with a little vegetable oil, the absorption rate of nutrients can be increased by 10 times compared with raw lettuce, so lettuce is more suitable for cooked eating.
Eating lettuce regularly can improve gastrointestinal blood circulation and promote the digestion and absorption of fat and protein. Lettuce can also protect the liver, promote bile formation, prevent cholestasis and effectively prevent gallstones and cholecystitis. In addition, lettuce can remove the garbage in the blood, which has the functions of blood disinfection and diuresis, and can also remove intestinal endotoxin and prevent constipation.
Extended data
Cleaning method of raw lettuce:
1, lettuce is washed with salt water.
When washing lettuce, you can wash it with salt water. After selecting lettuce, put clear water in the basin, then add appropriate amount of edible salt, soak the lettuce in it after mixing, take it out after soaking for 20 minutes, and then rinse it with clear water several times to digest all the pesticide residues on the surface of lettuce, and then you can rest assured.
2. Lettuce washes rice.
When you want to eat lettuce raw, you can wash it with Taomi water, divide it into leaves, put it directly in Taomi water, and then shake it back and forth with your hands. Let each leaf contact with rice washing water, wash all the eggs and some impurities on the surface of the leaf, soak in rice washing water for a while, take it out and wash it with clear water, and you can eat it directly.
3. Lettuce should not be washed with hot water.
When eating raw lettuce, you must remember not to wash it with hot water, otherwise the texture of lettuce will become soft and lose its crisp taste. But when you want to fry lettuce, you can directly blanch it with boiling water, so that all parasites on the surface of lettuce will be removed, and people will not have adverse symptoms such as intestinal infection and diarrhea if they eat it again.
People's Daily Online-How to wash lettuce raw or cooked?
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