Apple fruit is nearly round with yellow-green background. The fruits are mostly orange-red with bright red stripes. The flesh is yellow and white, crisp, sweet and sour, rich in flavor and high in quality.
Apple, called Taopo in ancient times, is sweet, sour and nutritious, and is one of the fruits suitable for all ages [2]. Its nutritional value and medical value are very high, and it is called "the first medicine for doctors" by more and more people. Many Americans think that apples are a necessity to lose weight. They go on a diet one day a week and eat apples on this day, which is called "Apple Day".
efficacy
Vitamin C in apples is a protector of cardiovascular system and a healthy element for patients with heart disease.
People who eat more apples are much less likely to catch a cold than those who don't eat or eat less apples. Therefore, some scientists and doctors call apples "all-round healthy fruits" or "general practitioners". Now the air pollution is more serious. Eating more apples can improve the respiratory system and lung function and protect the lungs from dust and smoke in the air.
The colloid and carrier element chromium in apple can keep blood sugar stable, so apple is not only a healthy snack for diabetics, but also an essential fruit for everyone who wants to control blood sugar. But also can effectively lower cholesterol.
Apples can also prevent cancer and lead poisoning.
Chinese medicine believes that apples have the effects of promoting fluid production to quench thirst, moistening lung to relieve annoyance, invigorating spleen and stomach, nourishing heart and benefiting qi, moistening intestine to stop diarrhea, relieving summer heat and sobering up.
Nowadays, the pace of urban life is very tense, and professional people are under great pressure. Many people have different degrees of tension and depression. At this time, picking up an apple and smelling it will relieve the bad mood and refresh your mind.
Eating apples can not only lose weight, but also help digestion. It's good for the elderly. Apple contains a variety of vitamins, minerals, sugars, fats and so on. It constitutes an essential nutrient for the brain. The fiber in apple is beneficial to the growth and development of children and can promote the growth and development. Zinc in apples is beneficial to children's memory and can enhance their memory. But the acid in apples will corrode teeth, so it is best to rinse your mouth after eating apples.
1. Colloid and trace element chromium in apples can keep blood sugar stable and effectively lower cholesterol;
2. In the air pollution environment, eating more apples can improve the respiratory system and lung function, and protect the lungs from pollution and smoke;
3. Polyphenols and flavonoids contained in apples are natural chemical antioxidants, which can reduce the risk of lung cancer and prevent lead poisoning;
4. Apple's unique fragrance can relieve the bad mood caused by excessive pressure, and also has a refreshing effect;
5. Apples are rich in crude fiber, which can promote gastrointestinal peristalsis, help the human body to discharge waste smoothly, and reduce the harm of harmful substances to the skin;
6. Apples contain a lot of trace elements such as magnesium, sulfur, iron, copper, iodine, manganese and zinc, which can make the skin delicate, smooth, ruddy and shiny.
Apple is a deciduous tree, the height of which can reach 15 meters, and it is generally 3 ~ 5 meters under cultivation conditions. The trunk is grayish brown, the old bark has irregular longitudinal cracks or flaking, and the branchlets are smooth. Simple leaves alternate, oval to ovoid, with serrated leaves. Corymb with white petals, pink buds, 20 stamens and 5 styles. Fruit is a kind of kernel, and its color and size vary with varieties. Like light, like slightly acidic to neutral soil. It is most suitable for sandy soil with deep soil layer, rich organic matter and good ventilation and drainage of core soil.