Fat resistance properties of chitosan-based paper packaging for food applications

The fat barrier properties of paper and chitosan-coated paper were also compared in application tests. It was concluded that chitosan coating could be used as fat barrier but treatment cost remained high compared with fluorinated resins. In an attempt to decrease both treatment cost and fat transfer, other natural molecules such as cellulose ethers and alginates were included with chitosan, in the coating formulations. Alginates were found to give the best results.