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Quantitative Assessment of the Risk Linked to the Consumption of braised Beef Meat “<i>Choukouya</i>” Contaminated with Pathogenic <i>Clostridium perfringens</i>in Côte D’Ivoire

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Food and Nutrition Sciences 2017年第12期8卷 1137-1155页

作者： Dibi Emmanuel Diane Akmel Djédjro Clement Tano Kablan Assidjo Nogbou Emmanuel Akaki David Didier Monte Department of Food Science and Technology Nangui Abrogoua University Abidjan C&ocirc te d’Ivoire Department of Chemical Engineering and Agri-Food Institut National Polytechnique Félix Yamoussoukro C&ocirc te d’Ivoire Agricultural Research Centre for International Development Montpellier France

Inadequate handling, processing and sales of meat products have resulted in microbial contamination responsible for most infectious human food-borne illness. The study conducted a stochastic assessment of the risk of infection linked to the consumption of braised beef meat “Choukouya” contaminated by Clostridium perfringens in C?te d’Ivoire. We conducted “Choukouya” consumers (n = 900) and vendors (n = 300) survey to characterize the actors behavior. 189 samples of “Choukouya” were collected and microbiologically analyzed according to French standard protocols NF V 08-061 and XPV 08-061. A risk model was developed and the risk of infection linked to the consumption of “Choukouya” was estimated by Monte Carlo simulation procedure. The consumer’s surveys showed that the percentage of population consuming “Choukouya” was 74.4%, with an average consumption of 114.3 ± 0.5 g/person/intake. The microbiological analysis revealed the isolation of 70% of Clostridium perfringens in the vegetative form and 60.3% in sporulated form with an average loading of 3.7 ± 2.6 log10·cfu/g and 1.1 ± 1.0 log10·cfu/g respectively. The probability of ingesting a dose greater than 109 bacteria of Clostridium prefringens varied between 7.36% and 7.93%. The braised beef meat “Choukouya” sold in the streets of cities in C?te d’Ivoire represents a real risk of infection, and Clostridium perfringens is one of the causes. This risk could be mitigated by the establishment of good hygiene practices and adequate handling processes in this informal sector.

关键词： braised Beef Meat “Choukouya” Inadequate Handling Clostridium perfringens Risk Simulation Monte Carlo

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