? Lettuce is a vegetable often eaten in daily life, it can be mixed with hot or cold or fried. No matter how it is cooked, it is delicious. So, what are the nutritional value and efficacy and contraindication of eating lettuce? Next take a look at it!

? Nutritional value of lettuce

? The first step is that lettuce is high in potassium, which is good for urination and reduces atrial pressure, which is very beneficial to patients with high blood pressure and heart disease.

? The second step contains a small amount of iodine, which has a major impact on basic metabolism, physical and mental development, and even mood regulation.

? Step 3 is rich in fluoride, which is involved in the growth of teeth and bones.

? In addition, certain substances in lettuce also have *** effect on the optic nerve. Ancient books have recorded that lettuce eating more will make people paste, stop eating for a few days, and then recover by themselves, people with weak eyesight should not eat more, people suffering from eye diseases, especially night blindness, should eat less.

? Lettuce efficacy and function

? Lettuce taste sweet, cool, bitter, into the intestines, stomach meridian; have five organs, meridians, clearing heat, clearing heat diuretic effect; used for bad urination, blood in urine, milk failure and other symptoms.

? The first step is to open and eliminate gas: lettuce is fresh and slightly bitter, can *** digestive enzyme secretion, improve appetite. The emulsion slurry can promote the secretion of gastric juice, digestive glands and bile, thus promoting the function of various digestive organs, especially beneficial to patients with weakened digestive function, reduced acidity in the digestive tract and constipation.

? The second step diuretic and milk: lettuce potassium content is much higher than sodium, which is conducive to the balance of water and electrolytes in the body to promote urination and milk secretion, hypertension, edema and heart disease has a certain therapeutic effect.

? The third step is to strengthen the body, prevent cancer and anti-cancer: lettuce contains a variety of vitamins and minerals that can regulate the function of the nervous system. The organic components of lettuce are rich in iron absorbed by the body, which is very beneficial to patients with iron deficiency anemia. Lettuce hot water extract has a high inhibition rate of certain cancer cells, can be used to prevent cancer and anti-cancer.

? The fourth step stool: lettuce contains a lot of plant fiber, can promote peristalsis of the intestinal wall, which is beneficial to the digestive tract and helps defecation, and can be used to treat all kinds of constipation.

? Lettuce contains a variety of nutrients, including protein, fat, sugar, ash, vitamin A, vitamin B1, vitamin B 2, vitamin c, calcium, phosphorus, iron, potassium, magnesium, silicon, and other food fibers, which can promote the development of bones, hair and skin, and promote human growth." Eating a lot of them can easily catch fire, which can affect your eyesight.

? Lettuce contains lettuce, bitter, high-temperature bitterness and arid bitterness, can enhance gastric juices, promote digestion, enhance appetite, with analgesic and hypnotic effect. Lettuce is native to the Mediterranean coast, 4500 BC in the Mediterranean coast widely planted. Lettuce is low in carbohydrates and high in inorganic salts and vitamins, especially niacin. Niacin is an activator of insulin. Diabetic patients often eat some lettuce, can improve the function of sugar metabolism. Lettuce also contains a certain amount of trace elements zinc and iron, especially the iron in the green leaves is easily absorbed by the body, often eat fresh lettuce, can prevent and control iron deficiency anemia.