The efficacy of oranges and apples:

Oranges taste sweet, sour and cold. It has the effects of promoting fluid production to quench thirst, stimulating appetite, regulating qi, helping digestion and preventing constipation. Normal people eat oranges or drink orange juice after meals, which has the functions of relieving greasy food, resolving food stagnation, quenching thirst and sobering up. Oranges are extremely nutritious and comprehensive, suitable for all ages.

Apple juice will accelerate intestinal peristalsis, and if there is abnormal peristalsis in the intestine, apple juice will produce gas in the intestine. If the intestine is stimulated by food, you can drink ordinary apple juice or mixed juice of concentrated juice and water to reduce the stimulation.

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The historical origin of Apple:

Apples are native to central and southeastern Europe, Central Asia and West Asia, and Xinjiang, China. In Europe in 300 BC, M.P. Cato had recorded the varieties of apples. Later, the Romans began to cultivate, graft and reproduce. /kloc-in the 0/8th century, J.B. Montessori and T.A. used natural hybridization to select seedlings and gradually popularized cultivation. After European immigrants discovered the new continent of America, they introduced apples to America and cultivated many new varieties in America. During the Meiji Restoration, Japan introduced apples from Europe and America to Asia. Since then, Oceania and Africa have also introduced apples. In the past hundred years, apples have been planted all over five continents. The earliest Europeans had eaten apples and improved and selected them. Some varieties were seen as early as 2000 years ago. Before colonizing the United States, there were hundreds of known varieties in Europe. With the wave of immigration in North America, apple seedlings spread all over the country, becoming itinerant messengers of local legends, which played an important role in the spread of apples. Among them, john chapman, nicknamed "Apple Guy", grows apples widely in Ohio and Indiana. Indians and hunters may also spread apples.

Apple has been cultivated in China for more than 2000 years. According to legend, the "purple" eaten by Yu Xia is the red apple, which shows that apples have a long history in China. Guo of the Jin Dynasty wrote: "There are many cases in the west, and every family takes cut dew as preserved fruit, and hundreds of them are accumulated, which is called regular food." At that time, it was known that "on the second day of the first month, if the axe is mottled, it will spare the child." That is, it is similar to modern girdling technology and promotes more achievements. The technical level of apple planting in China in Jin Dynasty has reached a quite high level. Li, a poet in the Song Dynasty, wrote a poem in "100 Poems on the South China Sea", which has been recited: "There is autumn wind in the house, and the green leaves are not exhausted. I mistakenly think it is a flower, but I don't know that the pods are scarlet." In the Ming Dynasty, there were not only "Su Naphthalene, Zhu Tan and Qing Tan" ripe in summer, but also "Liangzhou has Dongtan, which is ripe in winter and its son is green" (Li Shizhen played with it cleanly and heard several steps), and "it tasted like cotton wool for the immature and rotten sand for the over-ripe." Qunfangpu ").

Apple is a cultivated species, and its wild original species has not been found so far. The original wild apple in China was called Nai, which grew in Xinjiang. Nai has long been eliminated in production and replaced by western apples because of its poor quality. Western apples were first introduced to Yantai, Shandong Province in A.D. 187 1 year, and were introduced to Yantai by John Neves, a member of the Presbyterian Church of the United States, which opened a new era of apple cultivation in China. Apple-producing areas such as northwest and southwest have directly or indirectly introduced seedling learning technology from Yantai. Yantai is the birthplace of apple cultivation and apple culture in China. In 2006, Yantai Apple Association invited famous domestic experts to demonstrate "Yantai Apple", and experts agreed that "Yantai is the birthplace of apple cultivation in China."

Reference: Baidu Encyclopedia Web page link