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Comparison of elemental composition in two wild and cultured marine fish and potential risks to human health
Marengo, M.; Durieux, E.D.H.; Ternengo, S.; Lejeune, P.; Degrange, E.; Pasqualini, V.; Gobert, S. (2018). Comparison of elemental composition in two wild and cultured marine fish and potential risks to human health. Ecotoxicol. Environ. Saf. 158: 204-212. https://dx.doi.org/10.1016/j.ecoenv.2018.04.034
In: Ecotoxicology and Environmental Safety. Academic Press/Elsevier: Amsterdam, Netherlands etc. ISSN 0147-6513; e-ISSN 1090-2414
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| Trefwoord |
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| Author keywords |
Trace element; Aquaculture; Fisheries; Marine pollution; Target cancer risk; Hazard quotient |
| Auteurs | | Top |
- Marengo, M.
- Durieux, E.D.H.
- Ternengo, S.
- Lejeune, P.
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- Degrange, E.
- Pasqualini, V.
- Gobert, S.
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| Abstract |
Among all available species, fish are a powerful model for risk-benefit assessments to study the effects of contaminants on human health. Gilthead seabream (Sparus aurata, Linnaeus 1758) and european seabass (Dicentrarchus labrax, Linnaeus 1758) are two species of great economic importance, representing very large production volumes in the Mediterranean. The objective of this study is (1) to analyze the concentrations of Trace Elements (TE) between wild and cultured seabream and seabass specimens, (2) to compare the determined concentrations with other studies, and (3) to increase the data about the potential risks to human health. Our results point to significant intra- and interspecies-specific differences between wild and cultured fish for several trace elements. Several strong and moderate inter-elemental correlations in fish muscle were observed through correlation analysis. In our study, the mean levels of trace elements were still below the standard safety values for fish intended for human consumption. The same results were reached for all the parameters analyzed (international legal limits, estimated weekly intake, provisional tolerable weekly intake, target hazard quotient, target cancer risk), with trace element levels in fish below those that could pose a risk to human health. Consequently, these fish can be considered safe for human consumption. A better understanding of the levels of trace elements in fish would also better inform consumers about the potential risks of exposure to contaminants. |
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