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Quantitative Assessment of Exposure to the Mycotoxin Ochratoxin A in Food

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  • Jean‐Pierre Gauchi
  • Jean‐Charles Leblanc

Abstract

This article presents the methodology and the simulation results concerning the quantitative assessment of exposure to the fungus toxin named Ochratoxin A (OA) in food, in humans in France. We show that is possible to provide reliable calculations of exposure to OA with the conjugate means of a nonparametric‐type method of simulation, a parametric‐type method of simulation, and the use of bootstrap confidence intervals. In the context of the Monte Carlo simulation, the nonparametric method takes into account the consumptions and the contaminations in the simulations only via the raw data whereas the parametric method depends on the random samplings from distribution functions fitted to consumption and contamination data. Our conclusions are based on eight types of food only. Nevertheless, they are meaningful due to the major importance of these foodstuffs in human nourishment in France. This methodology can be applied whatever the food contaminant (pesticides, other mycotoxins, Cadmium, etc.) when data are available.

Suggested Citation

  • Jean‐Pierre Gauchi & Jean‐Charles Leblanc, 2002. "Quantitative Assessment of Exposure to the Mycotoxin Ochratoxin A in Food," Risk Analysis, John Wiley & Sons, vol. 22(2), pages 219-234, April.
    • Handle: RePEc:wly:riskan:v:22:y:2002:i:2:p:219-234
    DOI: 10.1111/0272-4332.00021
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    References listed on IDEAS

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    1. Caers, Jef & Beirlant, Jan & Vynckier, Petra, 1998. "Bootstrap confidence intervals for tail indices," Computational Statistics & Data Analysis, Elsevier, vol. 26(3), pages 259-277, January.
    2. Beirlant, Jan & Devroye, Luc, 1999. "On the impossibility of estimating densities in the extreme tail," Statistics & Probability Letters, Elsevier, vol. 43(1), pages 57-64, May.
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    Cited by:

    1. Carlos Cardoso & Narcisa Bandarra & Helena Lourenço & Cláudia Afonso & Maria Nunes, 2010. "Methylmercury Risks and EPA + DHA Benefits Associated with Seafood Consumption in Europe," Risk Analysis, John Wiley & Sons, vol. 30(5), pages 827-840, May.
    2. Patrice Bertail & Jessica Tressou, 2004. "Incomplete Generalized U-Statistics for Food Risk Assessment," Working Papers 2004-48, Center for Research in Economics and Statistics.
    3. Carlos Cardoso & Inês Farias & Valentina Costa & Maria Nunes & Leonel Gordo, 2010. "Estimation of Risk Assessment of Some Heavy Metals Intake Through Black Scabbardfish (Aphanopus carbo) Consumption in Portugal," Risk Analysis, John Wiley & Sons, vol. 30(6), pages 952-961, June.

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