Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

A modified Weibull model for bacterial inactivation.

I Albert1, P Mafart

  • 1Unité Mét@risk, Institut National Agronomique de Paris-Grignon, 16, rue Claude Bernard 75231 Paris cedex 05, France. albert@inapg.inra.fr

International Journal of Food Microbiology
|April 28, 2005
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Degradation factor 1, Def1, regulates mRNA translation and decay through Ccr4-Not-dependent ubiquitylation of the ribosome.

bioRxiv : the preprint server for biology·2025
Same author

The DNA damage response and RNA Polymerase II regulator Def1 has posttranscriptional functions in the cytoplasm.

bioRxiv : the preprint server for biology·2024
Same author

Assessment and risk modeling of airborne enteric viruses emitted from wastewater reused for irrigation.

The Science of the total environment·2017
Same author

Zoledronic acid in patients with stage IIIA/B NSCLC: results of a randomized, phase III study.

Annals of oncology : official journal of the European Society for Medical Oncology·2012
Same author

The wet-heat resistance of Bacillus weihenstephanensis KBAB4 spores produced in a two-step sporulation process depends on sporulation temperature but not on previous cell history.

International journal of food microbiology·2011
Same author

Quantification of spore resistance for assessment and optimization of heating processes: a never-ending story.

Food microbiology·2010
Same journal

Biocontrol effects of bacteria isolated from compost tea against postharvest disease of tomato fruit (Solanum lycopersicum L.).

International journal of food microbiology·2026
Same journal

Bacteriostatic mechanisms of CO<sub>2</sub> against high-oxygen packaged meat-borne Pseudomonas fragi during chilled storage: Membrane physiological and microstructural changes.

International journal of food microbiology·2026
Same journal

Characterization of a method to detect hepatitis A virus and norovirus in meat products.

International journal of food microbiology·2026
Same journal

Temporal microbial succession informs the reformulation of a defined four-member starter for fermented milk.

International journal of food microbiology·2026
Same journal

Extending the shelf-life of Lentinula edodes: the interplay between ozone dosage, bacterial dynamics, and physicochemical stability.

International journal of food microbiology·2026
Same journal

Impact of Aspergillus and Rhizopus solid-state fermentation on the non-volatile and volatile profiles of Moringa oleifera seeds.

International journal of food microbiology·2026
See all related articles

A modified Weibull model accurately fits microbial survival curves, including complex shoulder and tailing effects. This new model offers a valuable tool for bacterial inactivation studies in food safety and biology.

Area of Science:

  • Microbiology
  • Food Science
  • Mathematical Modeling

Background:

  • Microbial inactivation modeling is crucial for food safety and sterilization processes.
  • Existing models may not fully capture complex microbial survival curve phenomena like shoulders and tailing.
  • Accurate modeling aids in predicting microbial behavior under various conditions.

Purpose of the Study:

  • To propose a modified Weibull model for fitting microbial survival curves.
  • To incorporate shoulder and/or tailing phenomena into the model.
  • To provide a biologically meaningful and accurate model for bacterial inactivation.

Main Methods:

  • A modified Weibull model was developed and applied to microbial survival data.
  • The model incorporates a delta parameter, analogous to the D value in sterilization.

Related Experiment Videos

  • Goodness-of-fit was compared against the Geeraerd et al. model using experimental data.

    • Main Results:

    • The modified Weibull model demonstrated good fits for various types of microbial survival curves.
    • The model effectively handles phenomena such as shoulder and tailing.
    • The delta parameter showed a close relationship to the established D value concept.

    Conclusions:

    • The modified Weibull model offers an accurate and versatile approach to primary modeling of bacterial inactivation.
    • The model's ability to capture complex survival curve features makes it valuable for food industry and biological research.
    • Further research can explore secondary modeling based on this robust primary model.