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Related Experiment Videos

Ropy slime-producing lactic acid bacteria contamination at meat processing plants.

P M Mäkelä1, H J Korkeala, J J Laine

  • 1College of Veterinary Medicine, Department of Food and Environmental Hygiene, Helsinki, Finland.

International Journal of Food Microbiology
|September 1, 1992
PubMed
Summary

Ropy slime-producing lactic acid bacteria were found in Finnish meat plants. These bacteria contaminate processing rooms and raw meat, indicating a common slime-producing trait among lactobacilli.

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Area of Science:

  • Food Microbiology
  • Bacteriology

Background:

  • Ropy slime-producing lactic acid bacteria can affect meat product quality.
  • Identifying sources of contamination is crucial for food safety.

Purpose of the Study:

  • To investigate the presence and sources of ropy slime-producing lactic acid bacteria in Finnish meat processing environments.

Main Methods:

  • Sampling of processing rooms, meat trimmings, and carcasses from three Finnish meat plants.
  • Isolation and characterization of bacterial strains, focusing on ropy slime production.

Main Results:

  • Bacterial isolates with characteristics of ropy slime-producing lactobacilli were identified.
  • These bacteria were recovered from processing rooms and meat trimmings.

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  • Ten different groups of ropy lactobacilli were isolated, suggesting a common trait.

    • Conclusions:

    • Finnish meat processing rooms and raw materials serve as sources for ropy slime-producing bacteria.
    • The ability to produce ropy slime is a widespread characteristic among lactobacilli found in these environments.