Patent ID: 6995137

Claim:
A water-soluble natural film composition containing chitosan, which comprises: (a) 20–99.98 wt % of water-soluble chitosan with enhanced immunity prepared in such a manner that chitin/chitosan decomposed with lysozyme is sonicated in a saline solution and is subjected to ion-exchange to obtain water-soluble β-glucosamine fibrin followed by nanocoating said β-glucosamine fibrin with γ-globulin as an immune protein; (b) 0.01–75 wt % of at least one seaweeds selected from the group consisting of Gelidium amansii , jellyfish, brown seaweed, tangle and their extracts; and (c) 0.01–30 wt % of at least one functional ingredients selected from the group consisting of γ-globulin, cholic acid, astaxanthin, rutin, lecithin, Inula helenium L., cellulose and collagen.