壳聚糖是生物界中唯一大量存在的天然碱性多糖,无毒无味、可生物降解、生物相容性好、成本较低,具有优良的分散性、保湿性、成膜性、抗菌性等诸多优点。文中介绍了壳聚糖及其衍生物保鲜果蔬的机理,综述了壳聚糖及其衍生物在果蔬贮藏保鲜中的最新进展,分析了目前研究中存在的问题并对发展方向作出展望。

Chitosan,the only biological large existence polysaccharides,non-toxic and odorless,biodegradable,biocompatible,low cost,excellent dispersion,moisturizing,film forming,antimicrobial,is becoming a hot research topic on preservation of fruits and vegetables.The mechanism of chitosan and its derivatives on fresh keeping fruits and vegetables are introduced.The application of chitosan and its derivatives for the preservation of fruits and vegetables are reviewed.In addition,some suggestions of the development are also presented.