Results and Discussion
Water vapor permeability (WVP) of chitosan films
The WVP is the important requirement for packages because products can deteriorate by water vapor from surrounding. Moreover, the package can separate the different component foods to prolong shelf-life. The obtained chitosan films were transparent and elastic. The WVP of the chitosan film produced in this study was between 12.30-23.70 g.mm/m2.d.kPa.