Zhanhua Winter Jujube, a specialty of Zhanhua District, Binzhou City, Shandong Province, is a product of China's National Geographical Indication. The fruit shape of Zhanhua Dongzao is flat round or round, the fruit surface is smooth, and the color of the color surface is ocher red. Mature Zhanhua Dongzao has thin skin, crispy skin, small nucleus, sweet and fragrant taste, sweet and sour taste, and no residue when eaten. The annual planting area is stable at about 500,000 mu.
Quality characteristics:
Zhanhuadong jujube matures late and matures in mid-to-late October. It looks like an apple and is called "small apple". The average fruit weight is about 20 grams; the color is bright ocher, the taste is excellent, the skin is thin and the flesh is crisp, tender and juicy, sweet and fragrant, rich in nutrients, and the edible rate is 93.8%. Although Zhanhua Dongzao has strong adaptability, it is especially fond of loam or sandy loam with more fertile soil and higher organic matter content. Zhanhua Dongzao grown on this kind of soil has a tall crown, deep and broad root system, high yield and good quality. . Like other jujube trees, Zhanhuadongzao is a temperate deciduous fruit tree, and its growth and development require a higher temperature, so it sprouts late and leaves early. Winter jujube is mainly eaten fresh. It is crispy and thin, and it is easy to break. It can prolong its freshness for a period of time, but not for too long.
Nutritional value:
Zhanhua Dongzao contains 19 kinds of amino acids and A, B, C, P and other vitamins needed by the human body, and contains 34% -38% soluble solids and 352 mg/100 g of vitamin C. Compared with other fruits, it is 70 times that of apples and 140 times that of pears.
Winter jujube contains 19 essential amino acids such as aspartic acid, threonine and serine, with a total content of 0.985 mg/100 g, 1.65% protein, 2.3% dietary fiber, 17.3% total sugars, and 0.26% total flavonoids. Acid 0.87mg/100g, carotene 1.1mg/kg, vitamin B10.1mg/kg, vitamin B22.2mg/kg, vitamin C content up to 1079.1mg/kg, it is called "live vitamin pill". In addition, it also contains more vitamin A, E, potassium, sodium, iron, copper and other trace elements, and has the reputation of being the king of fruit.
