A series of chitosan compounds (CTS-X) are prepared and the preservative property is studied by filming experiment for lychee. Chitosan compound proves effective in keeping lychee fresh .

• 制备了系列壳聚糖复合物(CTS-X)；并用涂膜法对荔枝进行了保鲜研究；在系列CTS-X中筛选了最佳膜保鲜剂；其保鲜效果良好.