1, the practice of yam and tomato soup
1. Peel the fresh yam you bought. When peeling yam, it is best to wear disposable plastic gloves to avoid the prickles of yam remaining on your hands, causing great trouble-itching. Wash peeled yam with clear water for later use.
Second, cut about one or two pieces of lean meat into pieces for use.
3. Wash three tomatoes, add water to the pot, boil them, put them in boiling water, and take them out for later use after the skins of tomatoes are separated from tomatoes.
Fourth, add a little oil to the pot. When the oil temperature is 50% hot, add lean meat slices and fry until cooked. Add peeled tomatoes and stir-fry (without tomato sauce), add water, add chopped yam, and turn to low heat after cooking over high heat. When the yam is cooked, add a little salt, chicken essence and chopped green onion. So a yam and tomato soup is ready.
2. The nutritional value and efficacy of tomatoes
Tomatoes taste sweet and sour, slightly cold. Has the effects of clearing away heat and toxic materials, promoting salivation, quenching thirst, nourishing blood, cooling blood, invigorating stomach and promoting digestion. Clinically, it is mostly used to treat dry mouth, hot thirst, loss of appetite, stomach heat and bitter taste, gingival bleeding, aphtha and bitter taste, as well as the auxiliary treatment of hypertension and coronary heart disease.
Tomatoes are rich in carbohydrates, vitamins, calcium, phosphorus, carotene, citric acid, malic acid, nicotinic acid, citric acid, adenine hydrochloride, arginine, glutathione and other components. The carbohydrates contained in tomatoes are mainly sugar, of which glucose and fructose are the main ones, and starch and sucrose are few. Modern medical research shows that citric acid, malic acid and sugar in tomatoes can promote digestion and have diuretic effect on patients with nephritis. Lycopene can inhibit many kinds of bacteria and help digestion. Tomatoes can also reduce the content of cholesterol in the blood, thus having the effect of preventing and treating atherosclerosis.
The content of vitamins in tomatoes is also considerable. According to analysis, 500 grams of tomato contains 52 milligrams of vitamin C, which is equivalent to 1250 grams of apple, 1500 grams of banana and 2200 grams of pear. Tomatoes are acidic, have the function of protecting vitamin C, and are not easy to be destroyed during cooking. Among the vitamins contained in tomatoes, vitamin P can protect blood vessels. Vitamin PP can protect skin health, maintain the normal secretion of gastric juice and promote the formation of red blood cells. Vitamin C has the function of strengthening the body resistance and strengthening the constitution for patients with gingivitis, periodontitis, epistaxis and hemorrhagic diseases, and can increase the anti-cancer ability of human body. Carotene can protect skin elasticity, promote bone calcification, and prevent rickets, night blindness and dry eye in children. Vitamin B 1 is beneficial to brain development and slows down brain cell fatigue.
The latest research found that tomatoes have anti-cancer effect. After the researchers added natural pigments to the oral cancer cell culture solution, the cancer cells quickly lost their activity and gradually died. Studies in the United States and Italy have confirmed that tomatoes will shrink.