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Metal nanoparticles and carbon nanotubes—perfect antimicrobial nano-fillers in polymer-based food packaging materials

Advances in food packages are oriented to obtain improved quality and safety. Incorporation of antimicrobial compounds in a form of nano-fillers into polymer based food packaging materials has received considerable attention. These “active” packages are applied to extend shelf-life while maintaining nutrition quality and ensuring microbiological safety. Antimicrobial nanocomposite films are desirable for application in food industry due to their advantages: structural integrity, barrier properties imparted by the matrix, as well as for the antimicrobial properties resulting from impregnated antimicrobial agents. Metal nanoparticles, metal oxide nanomaterials and carbon nanotubes are mostly used in developing antimicrobial active polymer materials. This chapter deals with some of the most important questions related to metallic nanoparticles in food packaging (health and environmental considerations, performance and costs), with the special emphasize on their applicable and toxicological properties.

food packaging, polymers, nanotechnology, nanoparticles, carbon nanotubes, biodegrability

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