近年来随着各省区规模化的生产发展,北方苹果基地产品的储存、运输时间过久,苹果表皮皱缩、虎皮病和内层腐烂等造成较大损失。究其原因,多为果皮中果胶酶分解和果胶质破坏,造成间隙加大与通透性增强,使苹果保水、抗氧化能力降低所致。苹果保鲜,除常用薄膜和套袋外,辽宁省熊岳农专还应用壳聚糖组 In recent years, with the large-scale production and development in various provinces and autonomous regions, the storage and transportation of products in the northern apple base have been taking a long time, causing shrinkage of apple epidermis, skin scalds and decaying of the inner layer. The reason, mostly pectin decomposition of the pectin and pectin damage, resulting in increased clearance and increased permeability, so apple water, reduce antioxidant capacity due. Apple fresh, in addition to the commonly used film and bagging, Xiong Yue Liaoning Agricultural College also applied chitosan group