Journal
FOOD AND CHEMICAL TOXICOLOGY
Volume 137, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.fct.2020.111130
Keywords
Lifetime dietary risk; Cadmium; Toxicokinetic modelling; Risk assessment
Categories
Funding
- Anses (CRD Anses/Oniris) [2017-CRD-09]
- INRAE
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Usually health risk related to food contaminants is assessed based on consumption data collected on a few days. Consequently, this approach considers neither the evolution of exposures over time nor the potential accumulation of the substance. The aim of the present study was to develop a method to assess lifetime dietary risk due to cadmium exposure. Three methods were compared, respectively based on age, dietary pattern and sociodemographic characteristics. Additionally, exposure trajectories were converted into cadmium body burden trajectories using a PBTK-TD model ultimately predicting the occurrence of renal effects. It was shown that dietary exposures to cadmium, as well as exceedances of health based guidance values, greatly vary with age and individual profiles. The developed methods allowed identifying parameters affecting dietary exposure to cadmium and distinguishing at-risk subpopulations. Furthermore, this study demonstrated that it is necessary to consider individual changes through life and kinetic of the substance to assess risk properly.
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