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Endpoint of a Preservation Process 1.

I J Pflug1

  • 1Department of Food Science and Nutrition, University of Minnesota, 1334 Eckles Avenue, St. Paul, Minnesota 55108.

Journal of Food Protection
|April 11, 2019
PubMed
Summary
This summary is machine-generated.

Food microbiologists should use numerical specifications, like the probability of a nonsterile unit (PNSU), to define food preservation endpoints. This ensures a standardized, verifiable measure of process effectiveness for enhanced food safety.

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Area of Science:

  • Food Microbiology
  • Food Preservation Science
  • Quantitative Microbial Risk Assessment

Background:

  • Current methods for defining food preservation endpoints often rely on descriptive terms, leading to ambiguity.
  • Lack of standardized numerical endpoints hinders consistent application and verification of preservation processes.

Purpose of the Study:

  • To advocate for the adoption of numerical specifications for food preservation endpoints.
  • To propose a standardized numerical endpoint based on the probability of a nonsterile unit (PNSU).

Main Methods:

  • Review of current practices in defining food preservation endpoints.
  • Proposal and exemplification of numerical specifications, focusing on PNSU.
  • Description of procedures for experimental verification of preservation processes against the proposed endpoint.

Main Results:

  • Demonstrated the limitations of descriptive terms for defining preservation endpoints.
  • Presented examples of numerical specifications, highlighting the utility of PNSU.
  • Outlined methodologies for validating preservation processes to achieve a target PNSU.

Conclusions:

  • Numerical specifications, particularly PNSU, offer a more precise and verifiable method for defining food preservation endpoints.
  • Adoption of PNSU as a standard endpoint will enhance consistency and reliability in food safety assurance.