The feasible composition of chitosan film preservative was 2.5 % of chitosan, 1.5 % of acetic acid, 1.0 % of glycerin, 0.3 % of glycerol monostearate and 94.7 % of water.

• 壳聚糖涂膜保鲜剂较适宜的配方为：壳聚糖2.；5 %25，乙酸1