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Article Dans Une Revue Risk Analysis Année : 2019

Combining quantitative risk assessment of human health, food waste and energy consumption: the next step in the development of the food cold chain?

Évaluation quantitative des risques combinant la sécurité des aliments, les gaspillages et la consommation énergétique : une prochaine étape de développement de la chaine du froid ?

Hong-Minh Hoang
Anthony Delahaye
Onrawee Laguerre
Laurent Guillier

Résumé

The preservation of perishable food via refrigeration in the supply chain is essential to extend shelf life and provide consumers with safe food. However, electricity consumed in refrigeration processes has an economical and an environmental impact. This study focuses on the cold chain of cooked ham, including transport, cold room in supermarket, display cabinet, transport by consumer, and domestic refrigerator, and aims to predict the risk for human health associated with Listeria monocytogenes, the amount of food wasted due to the growth of spoilage bacteria, and the electrical consumption to maintain product temperature through the cold chain. A set of eight intervention actions were tested to evaluate their impact on the three criteria. Results show that the modification of the thermostat of the domestic refrigerator has a high impact on food safety and food waste and a limited impact on the electrical consumption. Inversely, the modification of the airflow rate in the display cabinet has a high impact on electrical consumption and a limited impact on food safety and food waste. A cost-benefit analysis approach and two multicriteria decision analysis methods were used to rank the intervention actions. These three methodologies show that setting the thermostat of the domestic refrigerator to 4 °C presents the best compromise between the three criteria. The impact of decisionmaker preferences (criteria weight) and limitations of these three approaches are discussed. The approaches proposed by this study may be useful in decision making to evaluate global impact of intervention actions in issues involving conflicting outputs.

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Dates et versions

hal-02156194 , version 1 (14-06-2019)

Identifiants

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Steven Duret, Hong-Minh Hoang, Evelyne Derens-Bertheau, Anthony Delahaye, Onrawee Laguerre, et al.. Combining quantitative risk assessment of human health, food waste and energy consumption: the next step in the development of the food cold chain?. Risk Analysis, inPress, 39 (4), pp.906-925. ⟨10.1111/risa.13199⟩. ⟨hal-02156194⟩

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