Su Jiaoban sixth grade exercise five, writing the specialty of hometown.

Lingbao apple Tongguan pear, Xinzheng jujube as sweet as honey. Xinzheng is the hometown of jujube, and jujube is the symbol of Xinzheng. The history of planting red dates in Xinzheng can be traced back to the Pei Ligang cultural period more than 8,000 years ago. 1978, during the excavation of Peiligang cultural site, carbonized jujube stone was discovered 8,000 years ago, indicating that our ancestors had started planting jujube in Xinzheng area at that time. During the Spring and Autumn Period, when the famous minister Zi Chan was in office, jujube trees were planted on both sides of the streets inside and outside the capital of Zheng State. By the Han Dynasty, people had realized the medicinal value of jujube, and the bronze mirror of Han Dynasty discovered by Xinzheng folk was engraved with the poem "There are immortals in the world who don't know how old they are, thirsty for ritual spring and hungry for jujube". By the Ming Dynasty, jujube planting in Xinzheng had formed a considerable scale. Gao Qi, one of the top ten gifted scholars in Ming Dynasty, left a poem "If you harvest dates in frosty days, you can peel them off as Jiangnan japonica". Since the founding of New China, especially since the reform and opening up, Xinzheng Municipal Party Committee and Municipal Government has paid special attention to the development of jujube industry, which is more regional, large-scale and scientific. The area of jujube trees has grown to 6.5438+0.5 million mu, with more than 30 varieties. In addition to the two excellent varieties of Huizao and Jixin Jujube, there are also excellent varieties such as June Fresh, September Qing, Su Jujube, Off-season Snow Jujube and Winter Jujube.

Xinzheng jujube is favored by people because of its thin skin, thick meat, small core and sweet taste. It contains 18 kinds of essential amino acids, including protein, fat, sugar, organic acids, phosphorus, calcium, iron and vitamins B, C and P, and is a natural vitamin fruit with high nutritional value. When Comrade Deng Xiaoping visited Japan, he specially presented Jixin Jujube to the Japanese Emperor. Jujube has high medicinal value. The leaves, flowers, fruits, skins, roots and thorns of jujube trees can all be used as medicine. Li Shizhen said in Compendium of Materia Medica: Jujube is sweet in taste and warm in nature. It can tonify the middle energizer, invigorate qi, nourish blood and promote fluid production, and is used to treat spleen deficiency, less sugar and deficiency of qi and blood. Eating jujube regularly can treat weakness, neurasthenia, disharmony between spleen and stomach, indigestion, strain cough, anemia and emaciation, especially in nourishing liver and preventing cancer. "Three dates a day, the beauty is not old" is a true portrayal of the health and beauty of jujube. Depending on the brand effect, the average price of Xinzheng jujube is 30%-40% higher than other places. Every year, it attracts about100000 Jin of jujube from other jujube producing areas in China to circulate in Xinzheng. Xinzheng has initially formed a national jujube product distribution center. Jujube products are exported to Southeast Asia and all over the world, with an average annual export volume of 6 million kilograms. At present, there are more than 280 enterprises engaged in jujube processing in the city, and four large leading enterprises, such as Dingzhen Food Company, Dahongpao Group, Aoxing Food Factory and Zhenghan Xiang Jing Factory, have developed more than 80 varieties of jujube products in the 12 series, and the annual processing capacity of jujube11700,000 kilograms, including jujube essence and jujube extract for cigarettes.

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