Journal
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
Volume 176, Issue -, Pages 530-539Publisher
ELSEVIER
DOI: 10.1016/j.ijbiomac.2021.02.099
Keywords
Antimicrobial food packaging; Chitosan; Titanium dioxide nanoparticles
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Packaging plays a vital role in preserving the properties of food and preventing food spoilage caused by microorganisms. Combining chitosan and metallic nanoparticles can be a practical approach in antimicrobial packaging systems, offering benefits such as thermal stability and extended shelf life of food products.
Packaging is an integral part of food industry that preserves the properties of food during storage. Food spoilage caused by foodborne microorganisms is a public health problem that imposes a significant burden on the healthcare systems. Moreover, packaging based on artificial and chemical materials such as plastic is destructive to the environment. Chitosan can be categorized as an active food packaging material because of its inherent antimicrobial properties and capacity to carry various active components. Combining chitosan and metallic nanoparticles can be used as a practical approach in antimicrobial packaging systems. This strategy has advantages of thermal stability, barrier properties, antioxidant and antimicrobial packaging. Titanium dioxide is one of these nanoparticles that plays a photocatalytic role by releasing reactive oxygen species, thereby leading to the destruction of microorganisms' cell wall and extension of food shelf life. This review elaborates on the antimicrobial applications of chitosan/titanium dioxide nanoparticles films in food packaging systems. (c) 2021 Elsevier B.V. All rights reserved.
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