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Global Sensitivity Analysis Applied to a Contamination Assessment Model of Listeria monocytogenes in Cold Smoked Salmon at Consumption

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  • Mariem Ellouze
  • Jean‐Pierre Gauchi
  • Jean‐Christophe Augustin

Abstract

In this study, a variance‐based global sensitivity analysis method was first applied to a contamination assessment model of Listeria monocytogenes in cold smoked vacuum packed salmon at consumption. The impact of the choice of the modeling approach (populational or cellular) of the primary and secondary models as well as the effect of their associated input factors on the final contamination level was investigated. Results provided a subset of important factors, including the food water activity, its storage temperature, and duration in the domestic refrigerator. A refined sensitivity analysis was then performed to rank the important factors, tested over narrower ranges of variation corresponding to their current distributions, using three techniques: ANOVA, Spearman correlation coefficient, and partial least squares regression. Finally, the refined sensitivity analysis was used to rank the important factors.

Suggested Citation

  • Mariem Ellouze & Jean‐Pierre Gauchi & Jean‐Christophe Augustin, 2010. "Global Sensitivity Analysis Applied to a Contamination Assessment Model of Listeria monocytogenes in Cold Smoked Salmon at Consumption," Risk Analysis, John Wiley & Sons, vol. 30(5), pages 841-852, May.
    • Handle: RePEc:wly:riskan:v:30:y:2010:i:5:p:841-852
    DOI: 10.1111/j.1539-6924.2010.01380.x
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    References listed on IDEAS

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    1. K. Francois & F. Devlieghere & M. Uyttendaele & J. Debevere, 2006. "Risk Assessment of Listeria monocytogenes: Impact of Individual Cell Variability on the Exposure Assessment Step," Risk Analysis, John Wiley & Sons, vol. 26(1), pages 105-114, February.
    2. H. Christopher Frey & Sumeet R. Patil, 2002. "Identification and Review of Sensitivity Analysis Methods," Risk Analysis, John Wiley & Sons, vol. 22(3), pages 553-578, June.
    3. Régis Pouillot & Nicolas Miconnet & Anne‐Laure Afchain & Marie Laure Delignette‐Muller & Annie Beaufort & Laurent Rosso & Jean‐Baptiste Denis & Marie Cornu, 2007. "Quantitative Risk Assessment of Listeria monocytogenes in French Cold‐Smoked Salmon: I. Quantitative Exposure Assessment," Risk Analysis, John Wiley & Sons, vol. 27(3), pages 683-700, June.
    4. Andrea Saltelli, 2002. "Sensitivity Analysis for Importance Assessment," Risk Analysis, John Wiley & Sons, vol. 22(3), pages 579-590, June.
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    1. Fanny Tenenhaus‐Aziza & Jean‐Jacques Daudin & Alexandre Maffre & Moez Sanaa, 2014. "Risk‐Based Approach for Microbiological Food Safety Management in the Dairy Industry: The Case of Listeria monocytogenes in Soft Cheese Made from Pasteurized Milk," Risk Analysis, John Wiley & Sons, vol. 34(1), pages 56-74, January.
    2. Elise Billoir & Jean‐Baptiste Denis & Natalie Commeau & Marie Cornu & Véronique Zuliani, 2011. "Probabilistic Modeling of the Fate of Listeria Monocytogenes in Diced Bacon During the Manufacturing Process," Risk Analysis, John Wiley & Sons, vol. 31(2), pages 237-254, February.
    3. Andreas Tsanakas & Pietro Millossovich, 2016. "Sensitivity Analysis Using Risk Measures," Risk Analysis, John Wiley & Sons, vol. 36(1), pages 30-48, January.
    4. Régis Pouillot* & Karin Hoelzer & Yuhuan Chen & Sherri B. Dennis, 2015. "Listeria monocytogenes Dose Response Revisited—Incorporating Adjustments for Variability in Strain Virulence and Host Susceptibility," Risk Analysis, John Wiley & Sons, vol. 35(1), pages 90-108, January.
    5. Pieter Busschaert & Annemie H. Geeraerd & Mieke Uyttendaele & Jan F. Van Impe, 2011. "Sensitivity Analysis of a Two‐Dimensional Quantitative Microbiological Risk Assessment: Keeping Variability and Uncertainty Separated," Risk Analysis, John Wiley & Sons, vol. 31(8), pages 1295-1307, August.
    6. Régis Pouillot & Benoit Garin & Noro Ravaonindrina & Kane Diop & Mahery Ratsitorahina & Domoina Ramanantsoa & Jocelyne Rocourt, 2012. "A Risk Assessment of Campylobacteriosis and Salmonellosis Linked to Chicken Meals Prepared in Households in Dakar, Senegal," Risk Analysis, John Wiley & Sons, vol. 32(10), pages 1798-1819, October.
    7. Matieyendou Lamboni & Moez Sanaa & Fanny Tenenhaus‐Aziza, 2014. "Sensitivity Analysis for Critical Control Points Determination and Uncertainty Analysis to Link FSO and Process Criteria: Application to Listeria monocytogenes in Soft Cheese Made from Pasteurized Mil," Risk Analysis, John Wiley & Sons, vol. 34(4), pages 751-764, April.

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