Concentrations and congener specific profiles of PCBs, PCDDs and PCDFs were determined in variousedible fish from the Adriatic Sea. PCBs were the dominant chemicals (116–1980 ng g1 lipid wt), followedby PCDFs (ND-58.3 pg g1 lipid wt) and PCDDs (ND-20 pg g1 lipid wt). The levels of these contaminantsvaried among species. Benthic organisms possessed the highest concentrations, followed by demersaland pelagic fish species. PCB and PCDD/F accumulation pattern in the samples analysed showed a distributiontypically reported for marine samples. The mean weekly intake of toxic equivalency (TEQ) wasestimated to be 0.84 pg TEQs/kg bw/week. The dioxin-like PCBs accounted for more than 77% of thisintake, followed by PCDDs (15.5%) and PCDFs (13.1%). In general, the samples analysed in this surveycan be considered safe with regard to the levels obtained and the in-force legislation, nevertheless theconsumption of some species may be of significance importance for consumer health.[...]

Polychlorinated biphenyl (PCBs), dioxins and furans (PCDD/Fs): Occurence in fishery products and dietary intake

GIACOMINELLI STUFFLER, Roberto
2011-01-01

Abstract

Concentrations and congener specific profiles of PCBs, PCDDs and PCDFs were determined in variousedible fish from the Adriatic Sea. PCBs were the dominant chemicals (116–1980 ng g1 lipid wt), followedby PCDFs (ND-58.3 pg g1 lipid wt) and PCDDs (ND-20 pg g1 lipid wt). The levels of these contaminantsvaried among species. Benthic organisms possessed the highest concentrations, followed by demersaland pelagic fish species. PCB and PCDD/F accumulation pattern in the samples analysed showed a distributiontypically reported for marine samples. The mean weekly intake of toxic equivalency (TEQ) wasestimated to be 0.84 pg TEQs/kg bw/week. The dioxin-like PCBs accounted for more than 77% of thisintake, followed by PCDDs (15.5%) and PCDFs (13.1%). In general, the samples analysed in this surveycan be considered safe with regard to the levels obtained and the in-force legislation, nevertheless theconsumption of some species may be of significance importance for consumer health.[...]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11575/5884
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