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Mercury and methylmercury in muscle tissue of chub from the Elbe River main tributaries

Author

Listed:
  • Kamila KRUŽÍKOVÁ

    (Department of Veterinary Public Health and Toxicology, University of Veterinary and Pharmaceutical Sciences, Brno, Czech Republic)

  • Zdeňka SVOBODOVÁ

    (Department of Veterinary Public Health and Toxicology, University of Veterinary and Pharmaceutical Sciences, Brno, Czech Republic
    University of South Bohemia, Research Institute of Fish Culture and Hydrobiology Vodňany, Czech Republic)

  • Olga VALENTOVÁ

    (University of South Bohemia, Research Institute of Fish Culture and Hydrobiology Vodňany, Czech Republic)

  • Tomáš RANDÁK

    (University of South Bohemia, Research Institute of Fish Culture and Hydrobiology Vodňany, Czech Republic)

  • Josef VELÍŠEK

    (University of South Bohemia, Research Institute of Fish Culture and Hydrobiology Vodňany, Czech Republic)

Abstract

The aim of the present study was to investigate the concentrations of total mercury and methylmercury in muscle of 55 chub (Leuciscus cephalus) from seven main tributaries (Orlice, Chrudimka, Cidlina, Jizera, Vltava, Ohře, Bílina) of the Elbe River and to evaluate the health risks of eating fish from the tributaries monitored. Mercury was determined by means of cold vapour atomic absorption spectrometry using AMA-254, methylmercury in the form of CH3HgCl by gas chromatography. The highest mean concentrations of total mercury and methylmercury were found in the Jizera (0.27 ± 0.19 mg/kg and 0.23 ± 0.15 mg/kg, respectively) and the lowest mean concentrations of total mercury and methylmercury were found in the chub from the Cidlina (0.07 ± 0.05 mg/kg and 0.06 ± 0.04 mg/kg, respectively). The average methylmercury-to-total mercury ratio was 83 ± 15%. The fish intake hazard indexes calculated for the individual tributaries monitored were between 0.01 and 0.03. The results of this study show that the Elbe River is not significantly affected by mercury contamination from its main tributaries

Suggested Citation

  • Kamila KRUŽÍKOVÁ & Zdeňka SVOBODOVÁ & Olga VALENTOVÁ & Tomáš RANDÁK & Josef VELÍŠEK, 2008. "Mercury and methylmercury in muscle tissue of chub from the Elbe River main tributaries," Czech Journal of Food Sciences, Czech Academy of Agricultural Sciences, vol. 26(1), pages 65-70.
    • Handle: RePEc:caa:jnlcjf:v:26:y:2008:i:1:id:1140-cjfs
    DOI: 10.17221/1140-CJFS
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    References listed on IDEAS

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    1. P. Houserova & V. Kuban & P. Spurny & P. Habarta, 2006. "Determination of total mercury and mercury species in fish and aquatic ecosystems of Moravian rivers," Veterinární medicína, Czech Academy of Agricultural Sciences, vol. 51(3), pages 101-110.
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