壳聚糖(chitosan)是α-氨基-D-葡胺糖,由甲壳素通过脱乙酰制得。壳聚糖以无毒、成膜好、抗菌性能广等特点,在果蔬保鲜方面受到高度重视。壳聚糖可在果蔬表面形成一层薄膜来调节果蔬采后的生理代谢并对微生物有抑制作用,壳聚糖对杨梅、番木瓜、草莓、苹果、桃、梨、猕猴桃、龙眼 Chitosan is an α-amino-D-glucosamine produced from chitin by deacetylation. Chitosan with non-toxic, good film, antibacterial properties such as wide features, fresh fruits and vegetables have received great attention. Chitosan can form a film on the surface of fruits and vegetables to regulate the physiological metabolism of postharvest fruits and vegetables and inhibit the microorganism, chitosan on bayberry, papaya, strawberry, apple, peach, pear, kiwifruit, longan