Characterization of cellulosic paper coated with chitosan-zinc oxide nanocomposite containing nisin and its application in packaging of UF cheese

Date

2018-04-01

Author

Divsalar, Elahe
Tajik, Hossein
Moradi, Mehran
Forough, Mehrdad
Lotfi, Mohamad
Kuswandi, Bambang

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A new antimicrobial bilayer film was developed using chitosan, cellulose, and nisin. Chitosan solution containing nisin (500 and 1000 mu g/mL) was prepared by sol-gel method and then the solution was coated on cellulose paper by dip coating method. A chitosan-cellulose film without antimicrobial had no inhibitory effect on Listeria monocytogenes, whereas, the incorporation of nisin made a significant increase (P<0.05) in antimicrobial characteristics of the films. Moreover, no significant differences were shown on antimicrobial activity of developed films during the storage at 4 degrees C for one month. However, the addition of nisin showed a significant increase in the swelling index and solubility of bilayer film. Scanning electron microscope images revealed a uniform coating of chitosan solution on cellulose paper. The FTIR analysis also confirmed successful introducing and binding of the nisin in double layer film. Films with 1000 mu g/mL of nisin completely inactivated the initial (similar to 5 log(10) CFU/g) counts of L. monocytogenes on the surface of Ultra-filter white cheese after storage at 4 degrees C for 14 days. We concluded that nanocomposite film of chitosan-cellulose containing nisin has novel antibacterial activity and can be used for packaging in cheese. (C) 2017 Elsevier B.V. All rights reserved.

Subject Keywords

Active packaging, Antibacterial, Sol-gel, Chitosan-zinc oxide, Nanocomposite, UF cheese

URI

https://hdl.handle.net/11511/90420

Journal

INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES

DOI

https://doi.org/10.1016/j.ijbiomac.2017.11.145

Collections

Department of Chemistry, Article

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Citation Formats

E. Divsalar, H. Tajik, M. Moradi, M. Forough, M. Lotfi, and B. Kuswandi, “Characterization of cellulosic paper coated with chitosan-zinc oxide nanocomposite containing nisin and its application in packaging of UF cheese,” INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES, pp. 1311–1318, 2018, Accessed: 00, 2021. [Online]. Available: https://hdl.handle.net/11511/90420.