Apple contains vitamin A, vitamin B 1, vitamin B2, vitamin B6, vitamin C and vitamin E. It seems that the nutritional value of apples is not high. In fact, its nutritional value is not simply reflected in vitamins. Apples can better improve the intestinal microenvironment (eating apples on an empty stomach can relieve constipation). Apples are rich in nutrition. It contains many vitamins and acids. 1 Apple contains more than 30mg of flavonoids, 15% of carbohydrates and pectin, as well as vitamins A, C, E, K and antioxidants. 1 apple (154g) dietary fiber 5g, potassium 170mg, calcium 10mg, carbohydrate 22g, phosphorus 10mg, Vc7.8g, VB 7.8g .. Apple contains much more calcium than ordinary fruits. Malic acid can metabolize calories and prevent obesity in the lower body. As for soluble fiber pectin, it can solve constipation. Pectin can also promote the excretion of lead, mercury and manganese in gastrointestinal tract, regulate the blood sugar level of human body and prevent the sudden rise and fall of blood sugar. 2. Pear pear is fresh, tender, sweet and delicious, crisp and juicy, and it is a vibrant fruit. Pears are rich in vitamins A, B, C, D and E, and like apples, they also contain oxidants, which can keep human cells and tissues healthy. Pears are always delicious, but it is better to chew them slowly when eating them, so that they can be better absorbed by the stomach. Middle-aged and elderly people should eat more pears. It can help the human body purify organs and store calcium, at the same time, it can also soften blood vessels and promote blood to transport more calcium to bones. People with vitamin deficiency should also eat more pears. People who look pale because of anemia, eating more pears can make your face rosy. Pears can also purify the kidneys and clean the intestines. For patients with goiter, the iodine rich in pears can play a certain role. Eating pears is also effective for enteritis, goiter, constipation, anorexia, dyspepsia, anemia, urethral swelling, urethral calculi, gout and diseases caused by vitamin A deficiency. In addition, pear leaves can be dried and soaked in water to treat urethritis, cystitis and urethral calculi. To treat the above diseases, 10 ~ 15 days is a course of treatment, and the interval of each course of treatment is 10 days. During the treatment, you should eat at least 2 pears every day until you feel better. 3. Peaches Peaches are rich in vitamins, minerals and fruit acids, and the iron content ranks first among fruits. Iron is the main raw material for human hematopoiesis, which is quite beneficial to health. [Nutrition] The edible part of peach has an energy of 1 17.2-7.7kJ per 100g, and contains about 0.8g of protein. Fat 0.1g; Various sugars 10.7g, calcium 8mg, phosphorus 20mg, iron 10mg, and provitamin A (carotene) 60mg. Vitamin B 1 30 μ g, vitamin B2 20 μ g, vitamin C6 mg, nicotinic acid 0.7 mg, other vitamins, malic acid and citric acid. The main component of peach is sucrose, but the contents of vitamins and minerals are less, but there are a lot of pectin which belongs to fiber component and has the function of whole intestine. Peach is used as Chinese medicine because its flower buds contain glycoconjugates, which are quite effective for diuresis or constipation. Taoye County is said to be used for bathing and removing prickly heat. As the saying goes, "peaches support people, apricots hurt people." Is this sentence scientific from the perspective of nutritional immunology? According to experts in nutritional immunology, peaches are rich in vitamins, minerals and fruit acids, and the iron content ranks first among fruits. Iron is the main raw material for human hematopoiesis, which is quite beneficial to health. Peaches play an important role in many herbs. Peaches are mild in taste and contain many vitamins, fruit acids and inorganic salts such as calcium and phosphorus. Its iron content is 4 ~ 6 times that of apples and pears. Peaches have the functions of nourishing qi and blood, nourishing yin and promoting fluid production. Peach has high iron content and is an ideal supplementary food for patients with iron deficiency anemia. [Healthy eating] If the peach is partially rotten or deteriorated, it can be made into a stew, such as gazini. Generally, mango is made, and then curry is added, which can not only relieve the pungent taste, but also supplement the nutrition and flavor, and then it can be replaced by peaches. Cut coconut rich in iron and calcium, onion that can promote the absorption of vitamin B 1 and ginger with intestine-regulating function into small pieces, and cook with sugar and vinegar for about 30 minutes. In order to increase the sweetness and viscosity of pectin, the peach is sliced and added, and boiled for about 20 minutes until the water becomes sticky. Peaches should be kept at room temperature. In a dry freezer, the aroma components will volatilize and the sweetness will decrease. 4. Watermelon Watermelon contains many vitamins and minerals. Fruit juice is rich in glutamic acid, arginine, fructose and malic acid, and has the reputation of "king of fruits and vegetables in summer". Nutritional Value of Watermelon Watermelon is rich in nutrition. According to nutrition experts, the water content of watermelon pulp is 94. 1 g, protein10.2g, carbohydrate 4.2g, cellulose 0.3g, inorganic salt 0.2g, calcium 6mg, phosphorus100g, iron B20.02mg, vitamin a 0.66 and vitamin B/kloc. Medicinal Value of Watermelon Watermelon is sweet in taste, cold in nature, and has the effects of relieving summer heat, promoting fluid production to quench thirst, and inducing diuresis and detoxification, so it is called "White Tiger Decoction" and is a good medicine for treating heatstroke, hypertension, nephritis, urinary tract infection, aphtha and other diseases. For patients with "Bitter Summer Syndrome" who lose appetite and lose weight in the summer heat, eating appropriate amount of watermelon can help digestion, promote metabolism and nourish the body; Watermelon seed kernel contains protein 19.2%, which has the functions of clearing away lung-heat, moistening intestines, harmonizing middle energizer and quenching thirst. It is an important medicine for intestine, stomach and spleen, and has curative effect on hemoptysis, hematemesis, menorrhagia, hypertension and acute cystitis. Watermelon peel is extremely rich in nutrition, containing various sugars, amino acids, lycopene, carotene, vitamin A, vitamin B, vitamin C and so on, which has high utilization value. In particular, the dried mesocarp is a Chinese herbal medicine "Watermelon Cui Yi", which has the function of clearing away heat and promoting diuresis. It can be seen that watermelon is not only a daily table fruit, but also has high medicinal value.