Application Progress of Chitosan Biodegradable Films in Food Preservation Packaging
As a natural polymer material,chitosan has a wide range of sources,renewability,good biodegradability and biocompatibility,as well as certain excellent film-forming,antibacterial,and antioxidant properties.It has shown great application prospects in the field of food preservation and packaging.In this article,the preparation methods,modification methods,and application progress of chitosan biodegradable films in food preservation packaging are reviewed,and the future development direction of chitosan biodegradable films is discussed.In the future,the research on chitosan food packaging materials should focus on reducing material costs and improving the safety of materials.The research on new chitosan composites should be strengthened to expand their application range.In addition,the preservation mechanism and mode of action of chitosan should be studied in depth,so as to improve its preservation effect and applicability.
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