我国红枣产业发展及保鲜加工技术研究现状

China's jujube was unique, ranking first in the world jujube germplasm resources and yield, and showing a steady development trend, especially in the northern provinces. Xinjiang, Shaanxi, Shanxi, Hebei, Shandong and Henan account for more than 90 % of the total output of the country, forming six major producing areas of jujube in China. As a nutritional and health food, jujube has gradually entered the international market. The ratio of export volume to the total production of jujube in the year and the export volume of dried and fresh fruits and nuts in the country has gradually increased. The export efficiency has steadily improved and the development potential was huge. However, the total export volume was less than 1 %, and it was still mainly produced and sold domestically. The exporting countries mainly radiate to Southeast Asia around China. Vietnam, Hong Kong, Taiwan and Malaysia account for more than 70 %, and the exporting provinces were mainly coastal areas with less production. Guangdong, Guangxi, Hebei, Yunnan and Hubei account for more than half of the total, and the export was greatly limited by geographical location. The high-quality market was a potential market for the further development of jujube. However, jujube products were mainly rough-processed dried jujube, accounting for 70 % -80 % of exports. There were few deep-processed products, mainly around jujube wine and jujube vinegar. Development, and fresh-keeping technology and variety constraints make fresh jujube unable to be supplied all year round, unable to meet foreign high-quality and diversified needs, and export prices were decreasing year by year.It was suggested to seize the hot period of demand in the high-end food and breeding market, speed up the adjustment of variety structure, breed improved varieties and promote local characteristic varieties, develop and promote fresh and dual-purpose varieties, and pay attention to the rational allocation of early, medium and late maturing varieties. Improve the level of deep processing and innovate solid and solid-liquid production fermentation technology ; optimize the extraction process of active substances, such as polyphenols, polysaccharides, flavonoids, jujube pigments, etc., develop high-end products such as functional jujube products, compound medicinal functional jujube products, and nutrient-fortified jujube products, take advantage of the rise of health awareness, and actively explore foreign markets to help China 's jujube industry achieve transformation and upgrading as soon as possible.