Lettuce is Compositae, an annual or two-year-old herbaceous plant, native to the Mediterranean coast, about the beginning of the seventh century, introduced into the country through Western Asia, widely cultivated throughout. There are two kinds of lettuce stems and leaves, the former are cultivated in various places, and the latter is cultivated in the south. It is one of the important vegetables in spring and autumn and winter. The benefits of eating lettuce are many, lettuce is rich in potassium ions, is 27 times the sodium salt content, is conducive to regulating the balance of salt in the body. For high blood pressure, heart disease and other patients, it has the effect of promoting diuresis, lowering blood pressure, and preventing heart rhythm disorders. Lettuce also has the functions of increasing appetite, stimulating secretion of digestive juice, promoting gastrointestinal motility and the like.
The nutritional value of lettuce
1. The high potassium content of the asparagus lettuce helps to promote urination and reduce stress on the atrium, which is extremely beneficial to patients with hypertension and heart disease.
2, containing a small amount of iodine, it has a major impact on human basal metabolism, mental and physical development and even emotion planning.
3, contains a very rich fluorine, can participate in the growth of teeth and bone.
In addition, some substances in the lettuce have a stimulatory effect on the optic nerve. The ancient book records that lettuce eats more people to make things dirty. If they stop for several days, they can recover on their own. Therefore, people with poor eyesight should not eat too much. People with eye diseases, especially night blindness, should also eat less.
The effect and role of lettuce
Lettuce sweet, cool, bitter, into the intestine, stomach; with the benefits of five internal organs, through the meridians, Qingwei heat, heat diuretic effect; used for urination, hematuria, breast barrier embolism.
1, open up the benefits, consumer product under the gas
Lettuce taste fresh and slightly bitter, can stimulate the secretion of digestive enzymes, increase appetite. Its milky serum enhances the secretion of gastric juices, digestive glands, and bile secretion, thereby promoting the function of various digestive organs. It is particularly beneficial to patients with weakened digestive function, decreased acidity in the digestive tract, and constipation.
2, diuretic milk
The potassium content of lettuce is much higher than that of sodium, which is beneficial to the balance of water and electrolyte in the body and promotes the secretion of urine and milk. People with hypertension, edema, and heart disease have a certain therapeutic effect.
3, strong body, anti-cancer anti-cancer
Lettuce contains a variety of vitamins and minerals, has a role in regulating the function of the nervous system, and its contained organic content is rich in the body can absorb iron, is very beneficial to patients with iron deficiency anemia. The hot water extract of lettuce has a high inhibitory effect on certain cancer cells, so it can also be used to prevent cancer and cancer.
4, wide bowel pass
Lettuce contains a lot of plant cellulose, can promote intestinal peristalsis, facilitate the digestive tract, help the stool excretion, can be used to treat various constipation.
Lettuce edible method
1, lettuce is suitable for cooking, mixing, braising, frying and other cooking methods, it can also be used for soup and ingredients.
2, lettuce afraid of salt, salt to put less delicious.
3. When picking lettuce, be sure to pay attention to time and temperature. Long time and high temperature will make lettuce soft and lose its crisp texture.
4. Asparagus lettuce is a traditional breast-breasted vegetable. It is used in combination with beef containing B vitamins. It has the effect of brewing blood, which can promote the nutrient supply in the breast area.
5, squeeze the water before lettuce lettuce, can increase the crisp lettuce. However, from a nutritional point of view, water should not be squeezed out, which will lose a lot of water-soluble vitamins.
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