Total Mercury and Methylmercury Distribution in Paguellus bellottii Fish from Soumbedioune Beach, Senegal

  • Birame Ndiaye Department of Chemistry, Faculty of Science and Technology, Cheikh Anta Diop University of Dakar, Senegal
  • Momar Ndiaye Department of Chemistry, Faculty of Science and Technology, Cheikh Anta Diop University of Dakar, Senegal
  • Benita Pérez Cid Department of Analytical and Food Chemistry, Faculty of Chemistry, University of Vigo, As Lagoas-Marcosende s/n, 36310 Vigo, Spain
  • Abdoulaye Diop Department of Chemistry, Faculty of Science and Technology, Cheikh Anta Diop University of Dakar, Senegal
  • Ibrahima Diagne Department of Chemistry, Faculty of Science and Technology, Cheikh Anta Diop University of Dakar, Senegal
  • Dame Cissé Department of Chemistry, Faculty of Science and Technology, Cheikh Anta Diop University of Dakar, Senegal
  • Cheikh Tidiane Dione Department of Chemistry, Faculty of Science and Technology, Cheikh Anta Diop University of Dakar, Senegal
  • Maoudo Hane Department of Chemistry, Faculty of Science and Technology, Cheikh Anta Diop University of Dakar, Senegal
DOI: https://doi.org/10.34198/ejcs.4120.6776
Keywords: total mercury, methylmercury, fish, Soumbedioune beach, Senegal

Abstract

Paguellus bellottii fish proceeding from Soumbedioune beach (Senegal) were analyzed to evaluate their contents of total mercury and methylmercury. Simplified analytical procedures (microwave digestion and ultrasonic assisted extraction) were used for sample preparation. The total mercury content in fish varied between 0.0626-0.3542 µg/g, dry weight. The ANOVA analysis allows to conclude that significant differences (p <0.05) were not found between Paguellus bellottii fish from Soumbedioune beach. However, the mercury levels obtained were always lower than the European legislation limits for fish. The ratio methylmercury/total mercury varied between 42.3-42.8 % in fish tissues. A satisfactory correlation (p<0.0001; r = 1) was found between total mercury and methylmercury results.

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Published
2020-05-18
How to Cite
Ndiaye, B., Ndiaye, M., Cid, B. P., Diop, A., Diagne, I., Cissé, D., Dione, C. T., & Hane, M. (2020). Total Mercury and Methylmercury Distribution in Paguellus bellottii Fish from Soumbedioune Beach, Senegal . Earthline Journal of Chemical Sciences, 4(1), 67-76. https://doi.org/10.34198/ejcs.4120.6776
Issue
Vol 4 No 1 (2020)
Section
Articles


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