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Related Experiment Videos

Effectiveness of some recent antimicrobial packaging concepts.

L Vermeiren1, F Devlieghere, J Debevere

  • 1Ghent University, Department of Food Technology and Nutrition, Laboratory of Food Microbiology and Food Preservation, Gent.

Food Additives and Contaminants
|April 19, 2002
PubMed
Summary

Antimicrobial packaging uses active substances to control food contamination. A study on triclosan-infused plastic film showed limited effectiveness against bacteria on vacuum-packaged chicken, despite in-vitro success.

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Area of Science:

  • Food Science
  • Materials Science
  • Microbiology

Background:

  • Active packaging combines food materials with antimicrobial agents to reduce surface contamination.
  • Applications are ideal for vacuum or skin-packaged foods like meat, fish, poultry, and cheese.
  • Several antimicrobial compounds have been tested with various carriers, but few concepts are commercialized.

Purpose of the Study:

  • To review antimicrobial concepts in food packaging, their development, and commercialization.
  • To investigate the feasibility of using a low-density polyethylene (LDPE) film with triclosan against microbial growth on food surfaces.
  • To assess the potential for extending shelf-life and improving microbial food safety.

Main Methods:

  • Literature review of antimicrobial packaging concepts.

Related Experiment Videos

  • Experimental investigation of a low-density polyethylene (LDPE) film containing triclosan (1000 mg kg(-1)).
  • In-vitro testing under simulated vacuum-packaged conditions and in-vivo testing on refrigerated vacuum-packaged chicken breasts at 7°C.

    • Main Results:

    • Triclosan-containing LDPE film demonstrated a strong antimicrobial effect against Listeria monocytogenes in simulated vacuum conditions.
    • The film did not significantly reduce spoilage bacteria or Listeria monocytogenes growth on refrigerated vacuum-packaged chicken breasts.
    • Regulatory hurdles exist in the EU, requiring legal amendments for antimicrobial packaging use.

    Conclusions:

    • Antimicrobial packaging holds promise for food safety but requires further development and validation.
    • The tested triclosan-LDPE film showed limitations in real-world food applications, particularly for refrigerated vacuum-packaged chicken.
    • Legal and regulatory frameworks need to be addressed for the potential market introduction of antimicrobial food packaging in the EU.