Jujube, also known as jujube, belongs to angiosperms, dicotyledonous plants, rhamnaceae and jujube. Its vitamin content is very high, and it has the reputation of "natural vitamin pill", which has the effects of nourishing yin, strengthening yang and enriching blood. Jujube is a temperate crop with strong adaptability and wide planting range. Jujube is known as "hardcore crop", which has the characteristics of drought and waterlogging tolerance and is the first choice for developing water-saving forest and fruit industry. According to historical records, jujube is a traditional famous specialty tree species originating in China. Archaeologists found jujube fossils in the cultural site of Khan Lee, xinzheng city, which proved that jujube has a history of more than 8,000 years in China. As early as the Western Zhou Dynasty, people began to brew jujube wine with jujube fermentation as a fine tribute to guests and friends. The nutritional and health-care functions of jujube were discovered and utilized in ancient times. There is a record of "peeling dates in August" in The Book of Songs. There is a saying in the Book of Rites that "jujube, chestnut and honey are all sweet", which is used for cooking. "Warring States Policy" has "the benefits of jujube and chestnut in the north? Food is the most important thing for the people ",pointing out the important role of red dates in northern China. Han Feizi also recorded the use of jujube chestnuts to save the people during the famine in Qin State. Therefore, the common people have always regarded jujube as one of "hardcore crops" and "woody food". Jujube has been used as medicine for a long time, and it has been recorded in Shennong Herbal Classic, which has been recorded in all previous dynasties, and the understanding of its health preservation and treatment has been deepened. Today, red dates have been regarded as an important tonic. Li Shizhen said in Compendium of Materia Medica [1] that jujube is sweet in taste and warm in nature, which can tonify the middle energizer, invigorate qi, nourish blood and promote fluid production, and can be used to treat spleen deficiency, anorexia, loose stool and deficiency of qi and blood. Eating jujube regularly can treat weakness, neurasthenia, disharmony between spleen and stomach, indigestion, fatigue cough, anemia and emaciation, etc., and the role of nourishing liver and preventing cancer is particularly prominent. There is a saying that "three dates are eclipsed, and a hundred years old does not show old."

Golden jujube. Jishan Mountain in China has been planted for thousands of years, and is known as "thin skin, thick meat and small core". In 2009, Jishan Banzao was selected as one of the top ten famous dates in China by the Ministry of Agriculture, China Academy of Agricultural Sciences and China Fruit and Vegetable Circulation Association. The producing areas of Jishan jujube are mainly in Liang Tao, Yaocun, Jiazhuang, Ping Long, Macun, Nanyang, Hu Jiazhuang, Dongjie and Xinzhuang villages in Jifeng Town. The fruit of jujube is oblate, slightly wider at the top and narrower at the bottom. When ripe, it is dark red/purple brown, and the flesh is white and green. It is ruddy in color, sweet in taste and rich in nutrition, with a sugar content of 74.5%. Can pull out golden bright silk, the edible rate is 96.3%, and the vitamins and minerals are the highest. It can be called "the king of dates in China". Because of its long history and high medicinal value, it has become a "tribute" to the royal family in past dynasties. Fuping jujube belongs to broken jujube, which is one of the best varieties in dry food in more than 700 varieties in China. It has a large average fruit weight of 8? 10g, thin skin and thick flesh, small kernel (kernel-meat ratio 1: 18), high edible rate (98%) and high sugar content (about 67%) in dried dates. Fuping jujube has a VC content as high as 600mg/ 100g at the crisp ripe stage, which is called "natural vitamin pill". In addition, Fuping jujube also contains 17 amino acids, including 8 amino acids necessary for human body.

One of the top ten famous dates in China is the mother species of Hetian Yuzao in Xinjiang, which was transplanted because of its limited geographical scope and excellent varieties. It can be eaten fresh or dry, and can also be used to make candied dates. This breed is strong and tall. The fruit weighs 25 grams, is obovate, with thin skin, deep red color, thick meat, crisp quality, juicy and sweet taste. The soluble solid content of fresh jujube is 37%, the drying rate is 35%, and the sugar content is 7 1%. The peel is slightly bitter and spicy. In the mature period, it is easy to crack the fruit when it rains, and the fruit is heavy and has poor storage and transportation resistance. Strong resistance and wide adaptability, and can be planted in mountainous areas and Pingchuan. Mature in mid-September. The advantages of this jujube tree are large crown, high yield and long life, with an average yield of more than 50 kg per plant. The average weight of each fruit is 25 grams, and the largest fruit can reach more than 50 grams. Ripening results are dark red skin, small fruit shape, slightly thin in the middle, shaped like a pot or bottle, so it is called Hupingzao. Jujube in the Tang Dynasty has a long history, with a long history of 3,000 years. There are mainly 12 varieties, such as Dunzi jujube, Changzao jujube, Broken jujube and Yucheng Cuizao. The planting area reached 600,000 mu, with an annual output of 80,000 tons, and 300,000 mu passed the pollution-free EIA certification. Xingtang is a thousand-year-old county, the hometown of jujube and the rich area of jujube culture in China. A New Jujube Variety —— "Chitin Jujube". "Chitin jujube" has dual functions of chitin and jujube. Jujube in Tang Dynasty has the characteristics of big, thin skin, thick meat, small stone, fresh color and sweet taste. The content of VC in crisp ripe stage is as high as 600mg/ 100g, which is also called "natural vitamin pill" with Fuping jujube. Research by Chinese Academy of Sciences shows that Xingtang jujube is rich in 24 trace elements and 18 amino acids, which plays an important role in adult health care, children's development, intelligence improvement and anti-aging. A handful of dates a day keeps you healthy and prevents you from getting old. Eat a handful of dates every day and run in small steps.

Efficacy of red dates 1, spleen and stomach: people with weak spleen and stomach and weak diarrhea can eat seven red dates a day, or use them together with Dangshen and Atractylodes macrocephala, which can replenish middle energizer, strengthen spleen and stomach, and achieve the effect of appetizing and stopping diarrhea; Jujube, ginger and Pinellia can be used together to treat gastritis caused by careless diet, such as abdominal distension and vomiting. 2, qi and blood: red dates are a good tonic, often adding red dates to the diet can nourish the body and moisturize the blood. Dr Andy Sun, an immunologist at National Taiwan University, strongly argues that eating more red dates, astragalus and medlar at ordinary times can enhance the vitality of the body and enhance immunity. 3, nourishing blood and calming the nerves: female bipolar disorder, crying and uneasy, uneasy and so on. Using jujube, licorice and wheat with Ganmai jujube soup can nourish blood and soothe the nerves, soothe the liver and relieve depression. 4. Relieving drugs: Jujube is often used in prescriptions with strong medicinal properties to reduce the side effects of strong medicinal properties and protect healthy qi. Jujube, for example, is used to reduce the toxicity of laxatives such as Kansui, Euphorbia, Wuhua, and protect the spleen and stomach from harm. Jujube is a sacred product for invigorating qi and nourishing blood, and at the same time, it is cheap. People don't need to buy expensive supplements in the market, and they can achieve the health care effect by making good use of red dates.