Polychlorinated biphenyls (PCBs) and Polybrominated Diphenyl ethers (PBDEs) in three fish species from an estuary in the southeastern coast of Brazil |
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| Authors: | Ricardo Lavandier Natalia Quinete Rachel Ann Hauser-Davis Patrick Simões Dias Satie Taniguchi Rosalinda Montone Isabel Moreira |
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| Affiliation: | 1. Department of Chemistry, Pontifícia Universidade Católica do Rio de Janeiro (PUC-Rio), Rua Marquês de São Vicente, 225, Gávea – Rio de Janeiro, RJ 22453-900, Brazil;2. Environmental Analysis Research Laboratory, Southeast Environmental Research Center (SERC), Florida International University, Biscayne Bay Campus, Marine Sciences Building, 3000 NE 151st, North Miami, FL 33181, USA;3. Institute of Oceanography, São Paulo University (USP), Praça do Oceanográfico 191, Butantã, São Paulo, SP 05508-900, Brazil |
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| Abstract: | Polychlorinated biphenyls (PCBs) and Polybrominated Diphenyls Ethers (PBDEs) are two highly lipophilic classes of persistent organic pollutants able to resist degradation and with the ability to bioaccumulate through the food chain. In Brazil, there are still few studies on PCBs and PBDEs in aquatic organisms. In this study, we determined the levels of PBDEs and PCBs in three different fish species from the Ilha Grande Bay, located in the southern state of Rio de Janeiro, Brazil. PBDEs levels were very low, with values below the limit of quantification. PCBs concentrations ranged from 2.29 to 27.60 ng g?1 ww in muscle and from 3.41 to 34.22 ng g?1 ww in liver of the three investigated fish species. Significant positive correlations were established between PCBs concentration and fish biometric variables in mullet (length and lipid content) and a statistically significant change between seasons in croaker was observed. |
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