Chitosan polysaccharide in food packaging applications

P. Fernandez-Saiz,     Novel Materials and Nanotechnology Group, IATA-CSIC, Spain


Chitosan is a biodegradable, biocompatible, non-toxic aminopolysaccharide obtained by deacetylation of chitin. This biopolymer shows excellent film and coating forming properties as well as an inherent antimicrobial character that has been widely demonstrated. However, its high water sensitivity leads to a reduction in barrier properties or even the complete solubilization into foods, restricting its industrial application for packaging purposes. Blending this polysaccharide with other more water-resistant polymers has become a feasible strategy to overcome the solubility issue. Furthermore, ...

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