The nutritional value of Zhanhuadongzao
Zhanhua Dongzao origin
Shandong Zhanhua Dongzao is a precious and rare fresh fruit. For more than a decade, Zhanhua County has continued to explore the road to development for the benefit of mankind. Today, this rare resource has finally moved from the courtyard to Daejeon, and its scale continues to expand. In May 1995, Zhanhua County was named "Hometown of Chinese Winter Jujube" in the "National First Hometown of 100 Specialty Farms". The county has developed 500,000 acres of dense planting gardens, with an annual output of up to 500 million kilograms.
The Composition and Evaluation of Zhanhua Dongzao
Zhanhua winter jujube mature late (matured in late mid-October), shaped like an apple, known as the "small apple." The average fruit weight is about 20g; the color is bright and bright; the taste is excellent, the skin is thin and crisp, tender and juicy, sweet and fragrant, and nutritious. Analyzed by Beijing Institute of Nutrition Sources, Zhanhuadongzao contains 19 amino acids and A, B, C, P and other vitamins, containing 34-38% of soluble solids and vitamin C352cg/100g. Compared with other fruits, it is 70 times that of apple and 140 times that of pear.
Its nutritional value is "the crown of all-fruits," and is known as the "Baiguowang" and "live vitamin pill." A central leader praised the Zhanhua winter jujube as "the world's fruit" after tasting. After the teacher of the Institute of Life Sciences of the University of Oregon at the University of Oregon, Bowieer and professor Fukiji Gumi tasted it, he called it "the world's first fruit." .
The nutritional value of Zhanhuadongzao
Shandong Zhanhua Dongzao is a kind of late mature fruit, matured in late September (matured before the end of September are not real Zhanhua Dongzao). The skin is bright, crisp, nutritious, and of excellent quality, with an edible rate of 93.8%. The scientific analysis of Dongzao contains aspartate, threonine, serine and other 19 kinds of human essential amino acids, with a total content of 0.985 mg/100 mg, 1.65% protein, dietary fiber 2.3%, total sugar 17.3%, and total flavonoids 0.26. %, nicotinic acid 0.87mg/100mg, carotene 1.1mg/Kg, vitamin B1 0.1mg/Kg, vitamin B2 2.2mg/Kg, vitamin C content 1079.1mg/Kg, known as "live vitamin pill" . It also contains trace elements such as vitamins A, E, potassium, sodium, iron, and copper, and has a reputation as a king of nutrients.
Zhanhua Dongzao is rich in nutrients, containing 19 kinds of essential amino acids such as aspartic acid, threonine and serine, especially its vitamin C content is 70 times that of apple and 140 times that of pear. It is called "live vitamin pill." ". In addition, Zhanhua Dongzao also contains more vitamin A, vitamin E and potassium, iron, copper and other trace elements, have anti-cancer effect, its nutritional value is the highest in the fruit. Professor Bob Iyer, director of the Life Sciences Research Institute of Horticulture College of Oregon State University, USA, called it "the world's first fruit" after tasting Zhanhua Dongzao.
Although Zhanhua Dongzao has strong adaptability, Youxi soil is more fertile and organic matter content is higher loam or sandy loam soil. The canopy of Zhanhua winter jujube growing on this kind of soil is tall, the root system is deep and wide, the yield is high, and the quality is good. . Zhanhua winter jujube, like other jujube trees, belongs to temperate deciduous fruit trees, and its growth and development requires a higher temperature, so the buds are late and the fallen leaves are earlier.
Winter jujube is mainly eaten fresh, and its quality is crisp and thin, and it is easily broken. Light-freezing can keep its freshness for a period of time, but it is not easy for a long time.
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