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Assessment of Trace Elements in Tissues of Fish Species: Multivariate Study and Safety Evaluation

2016; Brazilian Chemical Society; Linguagem: Inglês

10.5935/0103-5053.20160116

1678-4790

Edevaldo da Silva, Fernanda Nepomuceno Costa, Thaís Luz de Sousa, Zenira Cardoso Vilasboas Viana, Anderson Santos Souza, Maria Graças A. Korn, Sérgio L.C. Ferreira,

Heavy Metal Exposure and Toxicity

Levels of As, Cd, Cr, Cu, Li, Mn, Mo, Ni, Pb, Sb and Se in muscle, gill, stomach, liver, kidney and gonad tissues of six different fish species (Caranx latus, Bagre marinus, Archosargus rhomboidalis, Lutjanus synagris, Scomberomorus cavalla and Sphyraena guachancho) from the Todos os Santos Bay (Bahia State, Brazil) were evaluated.The elements were determined by inductively coupled plasma mass spectrometry (ICP-MS) after wet digestion using reflux system with a cold finger.The detected concentration ranges were as follows (mg kg -1 dry weight): < 0.49-27.31for As, < 0.013-1.12for Cd, 0.38-6.05for Cr, 0.17-28.12for Cu, < 0.092-1.19for Li, 0.16-55.9for Mn, < 0.034-1.24for Mo, < 0.067-15.57for Ni, < 0.013-0.60 for Pb, < 0.144 for Sb and 0.57-14.6 for Se.Highest concentrations of trace elements were observed in kidney, liver and gill tissues.