Trace elements in muscle of three fish species from Todos os Santos Bay,Bahia State,Brazil |
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Authors: | Carolina Oliveira de Santana Taíse Bomfim de Jesus William Moura de Aguiar Washington de Jesus Sant’anna Franca-Rocha Carlos Alberto Caroso Soares |
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Institution: | 1.Programa de Pós-Gradua??o em Geoquímica: Petróleo e Meio Ambiente, Instituto de Geociências (IGEO),Universidade Federal da Bahia (UFBA),Salvador,Brazil;2.Programa de Pós-Gradua??o em Modelagem em Ciências da Terra e do Ambiente,Universidade Estadual de Feira de Santana (UEFS),Feira de Santana,Brazil;3.Programa de Pós-Gradua??o em Ecologia e Evolu??o,Universidade Estadual de Feira de Santana,Feira de Santana,Brazil;4.Departamento de Antropologia e Etnologia,Universidade Federal da Bahia (UFBA),Salvador,Brazil |
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Abstract: | In this study, an analysis was performed on the concentrations of the trace elements Al, As, Ba, Cd, Co, Cr, Cu, Fe, Mn, Ni, Pb, V, and Zn in muscle of two carnivorous and one planktivorous fish species collected at Todos os Santos Bay (BTS). The accumulation order of the trace elements in Lutjanus analis was Al >Zn >Fe >Cr >Ba >Ni. In Cetengraulis edentulus, the order was Al >Fe >Zn >Cr >Ni >Mn >As. In the species Diapterus rhombeus, the order was Al >Fe >Zn >Cr >Ni >Mn >Cd. To determine the risk related to the consumption of fish, toxicity guidelines were used as standard references. It was observed that the species C. edentulus contained concentrations of As exceeding WHO limits, but these concentrations were acceptable according to the Agência Nacional de Vigilância Sanitária (ANVISA) guidelines. Cd levels were found only in D. rhombeus and in low concentrations according to the determinations of WHO and ANVISA. Pb levels were not detected in any of the three fish species. The analyzed elements did not differ statistically according to the species and feeding habits. The results point to possible risks of human contamination by As related to the consumption of the fish species C. edentulus from the BTS. |
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