Title
Polychlorinated biphenyl and organochlorine pesticide contamination signatures in deep-sea fish from the Mediterranean SeaPolychlorinated biphenyl and organochlorine pesticide contamination signatures in deep-sea fish from the Mediterranean Sea
Author
Faculty/Department
Faculty of Pharmaceutical, Biomedical and Veterinary Sciences. Pharmacy
Research group
Toxicological Centre
Publication type
article
Publication
Subject
Biology
Pharmacology. Therapy
Source (journal)
Environmental research
Volume/pages
109(2009):7, p. 851-856
ISSN
0013-9351
ISI
000270252600007
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Polychlorinated biphenyl (PCB) and OCP concentrations were determined in the livers of two deep-sea fish species, roughsnout grenadier and hollowsnout grenadier, from the Adriatic Sea. In both species, contaminant concentrations were in the following order: PCBs>DDTs>>HCB. Contaminant load was higher in roughsnout grenadier (PCB: 12,327 ng g−1; DDTs: 5357 ng g−1; HCB: 13.1 ng g−1) than in hollowsnout grenadier (PCB: 1234 ng g−1; DDTs: 763 ng g−1; HCB 6.3 ng g−1). PCB patterns were dominated by higher chlorinated congeners (hexa-CBs: 50.3¨C52.1%, hepta-CBs: 29.6¨C35.5%, penta-CBs: 8.0¨C11.1% and octa-CBs :5.2¨C5.4%). PCBs 138, 153 180 and 187 were the most abundant. Regarding the DDT pattern, p,p¡ä-DDE was prevalent in both species (roughsnout grenadier: 99.7%, hollowsnout grenadier: 90%), suggesting no recent DDT input. In both species, the total 2,3,7,8-tetrachlorodibenzo-p-dioxin toxic equivalent (TEQ) concentrations (roughsnout grenadier: mean 43.77 pg/g, hollowsnout grenadier: mean 20.49 pg/g), calculated from non- and mono-ortho PCBs, reached those encountered in marine organisms at higher levels in the trophic chain.
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