Pear, the name of the fruit, belongs to Rosaceae. It is a perennial deciduous tree with oval leaves and white flowers. Generally, the color of pears is golden yellow or warm yellow, while the flesh inside is bright white, tender and juicy, sweet in taste, slightly sour in stone, cool and sexy. Pears are distributed in the provinces of North China, Northeast China, Northwest China and the Yangtze River Basin. When the fruit is ripe, it can be harvested fresh or sliced and dried. Boiling water with rock sugar can cure cough. ?
China is one of the cradles of Pyrus. Most Asian pears originated in East Asia, and Japanese and Korean are also the cradles of Asian pears. Pear varieties cultivated in China are mainly divided into Pak Lei series: Yali pear, Xuehua pear, Huangxian Changba pear, Qixia Dashuixiang pear, Qiupakeli pear, Jinchuan Sydney pear and Pingxiang pear.
Qiuzi Pear System: Jing Pak Lei, Yaguang Pear and Nanguo Pear. Shali system: Sichuan Cangxi pear, Weining huanghuali, Yunnan Zhubaoli pear, Yanzhou Sydney pear and huanghuali. Western pear system: Bali pear and eggplant pear. Xinjiang pear system: banana pear, long-handled pear and Tang Ke. Brown pear system: sugar pear and wheat pear. Soft-meat system: Dannanguo pear, Wujiuxiang pear, Beifeng pear, Dongmi pear and Fuxiang pear. There are varieties suitable for cultivation in various regions in Nanbei pear area.
Utility:
Pear skin: clear heart and moisten lung, reduce fire and promote fluid production, nourish kidney and nourish yin. Roots, branches and leaves, and flowers can moisten the lungs, eliminate phlegm, and clear away heat and toxic materials.
Pear: containing lignin, it is an insoluble fiber, which can be dissolved in the intestine to form a colloidal film, and is eliminated after combining with cholesterol in the intestine. It can cure constipation. Pears containing boron can prevent osteoporosis in women. When boron is sufficient, memory, attention and mental acuity will be improved.
Pear meat is rich in crisp juice, sweet and sour, nutritious and healthy. The American MSN website pointed out that pears are rich in dietary fiber, which can help people lower their cholesterol and help them lose weight. Pictures of Fruit Pears (25 pictures) American nutritionists have found that each pear in Sydney contains 10g dietary fiber to reduce cholesterol, which meets 40% of the daily dietary fiber demand of human body. Through the investigation of some adults in Maryland, it is found that the people who consume the most dietary fiber have the lowest total cholesterol and low density lipoprotein content; At the same time, these people have the lightest weight, the lowest height and body mass index and the smallest waist circumference.
On June 6, 2009, 165438+ 10, 2 1, the research results of American biologist Mendes Robus showed that immature or semi-mature pears have the function of radiation protection, and the ripening of pears needs a lot of sunlight, which can effectively absorb the rays in the sunlight. Small offices in Silicon Valley in the United States have taken pears as the main radiation protection items. They think that the radiation protection effect of pears is far greater than that of cactus and aloe.
Studies have found that people who eat more pears are much less likely to catch a cold than those who don't eat or eat less pears. Therefore, some scientists and doctors call pears "all-round healthy fruits" or "general practitioners". The air pollution is serious. Eating more pears can improve respiratory system and lung function and protect the lungs from dust and smoke in the air.