Article (Scientific journals)
Comparison of elemental composition in two wild and cultured marine fish and potential risks to human health
Marengo, Michel; Durieux, Eric Dominique Henry; Ternengo, Sonia et al.
2018In Ecotoxicology and Environmental Safety
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Keywords :
Trace Element; Aquaculture; Fisheries; Marine pollution; Target Cancer Risk; Hazard Quotient
Abstract :
[en] 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 severaltrace 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.
Research center :
FOCUS - Freshwater and OCeanic science Unit of reSearch - ULiège
Disciplines :
Food science
Animal production & animal husbandry
Aquatic sciences & oceanology
Environmental sciences & ecology
Author, co-author :
Marengo, Michel;  Université de Corse Pascal Paoli > UMR 6134 CNRS-UCPP Sciences pour l′Environnement
Durieux, Eric Dominique Henry;  Université de Corse Pascal Paoli > UMR 6134 CNRS-UCPP Sciences pour l′Environnement
Ternengo, Sonia;  Université de Corse Pascal Paoli > UMR 6134 CNRS-UCPP Sciences pour l′Environnement
Lejeune, Pierre;  STARESO
Degrange, Elise ;  Université de Liège - ULiège > Master biol. orga. & écol., fin.
Gobert, Sylvie  ;  Université de Liège - ULiège > Département de Biologie, Ecologie et Evolution > Océanographie biologique
Language :
English
Title :
Comparison of elemental composition in two wild and cultured marine fish and potential risks to human health
Publication date :
2018
Journal title :
Ecotoxicology and Environmental Safety
ISSN :
0147-6513
eISSN :
1090-2414
Publisher :
Elsevier, Atlanta, United States
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 21 April 2018

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