ORGANOHALOGEN COMPOUNDS IN YELLOWFIN TUNA (Thunnus albacares)FROM THE WESTERN INDIAN OCEAN
The concentration levels and distribution patterns of polychlorinated biphenyls (PCBs), organochlorine pesticides (OCPs) and polybrominated diphenyl ethers (PBDEs) were investigated in the muscle and liver of yellowfin tuna (Thunnus albacares; YFT) from the western Indian Ocean. PCB and DDT concentrations were comparable in both tissues of YFT (108±74 and 25±14 ng.g-1 of lipid weight in muscle and 108±74 and 28±21 ng.g-1 lw in liver, respectively). YFT muscle exhibited higher HCB and lindane levels (297±195 and 25±17 ng g- 1 lw) than liver (58±26 and 13±18 ng g-1 lw). Compared to previous works on worldwide POP contamination in tuna, YFT from the western Indian Ocean appeared moderately contaminated by PCBs and DDTs, whereas high concentrations of HCB and lindane were reported. As regards PBDEs, our preliminary results revealed levels below the analytical detection limits (4-6 pg.g-1 of dry weight). Finally, the specific analysis of PCB congeners revealed a profile dominated by hexa-, tetra- and pentachlorinated congeners, while among DDTs, the compound with the higher concentration was p,p-DDE.
Torres Joao Paulo Machado Munschy Catherine Héas-Moisan Karine Potier Michel Ménard Frédéric Bodin Nathalie
Instituto de Biofisica Carlos Chagas Filho,Universidade Federal do Rio de Janeiro,Brazil Institut Fran(c)ais de Recherche pour lExploitation de la Mer (IFREMER),Laboratoire de Biogéochimie Institut de Recherche pour le Développement (IRD),Centre de Recherche Halieutique Méditerranéenne et
国际会议
北京
英文
1-6
2009-08-24（万方平台首次上网日期，不代表论文的发表时间）