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Metal Content in Four Shellfish Species from the Istrian Coast of Croatia

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Abstract

The concentrations of As, Cd, Cu, Hg, Pb and Zn were measured in four shellfish species (oysters, mussels, scallops, warty venus) collected along the Istria Peninsula coast during autumn 2013. Mean metal levels in shellfish ranged as follows (mg/kg): As 1.69–3.91, Cd 0.15–0.99, Hg 0.06–0.2, Pb 0.33–0.74, Cu 1.23–36.2, Zn 16.3–511. Statistical analysis showed a significant difference in As (p < 0.05), Cd, Pb, Hg, Cu and Zn (p < 0.01, all) levels among shellfish species. The highest metal concentrations were found in oysters (mg/kg): As 3.91, Cd 0.99, Cu 36.2 and Zn 511. The highest means of Pb and Hg were measured in (mg/kg): warty venus 0.74; scallops 0.12. The estimated daily intakes for oysters shown it as a good source of Cu and Zn. The higher contribution of Cd and As levels to the provisional tolerable weekly intake in shellfishes suggest a careful approach for consumption.

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Authors and Affiliations

  1. Laboratory for Residue Control, Department of Veterinary Public Health, Croatian Veterinary Institute, Savska cesta 143, HR-10000, Zagreb, Croatia

    Nina Bilandžić, Marija Sedak & Bruno Čalopek

  2. Veterinary Institute Rijeka, Podmurvice 29, HR-51000, Rijeka, Croatia

    Natalija Džafić & Dijana Mišetić Ostojić

  3. Department of Internal Medicine, Faculty of Veterinary Medicine, University of Zagreb, Heinzlova 55, HR-10000, Zagreb, Croatia

    Dalibor Potočnjak

Authors
  1. Nina Bilandžić
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  2. Marija Sedak
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  3. Bruno Čalopek
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  4. Natalija Džafić
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  5. Dijana Mišetić Ostojić
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  6. Dalibor Potočnjak
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Correspondence to Nina Bilandžić.

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Bilandžić, N., Sedak, M., Čalopek, B. et al. Metal Content in Four Shellfish Species from the Istrian Coast of Croatia. Bull Environ Contam Toxicol 95, 611–617 (2015). https://doi.org/10.1007/s00128-015-1619-0

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  • DOI: https://doi.org/10.1007/s00128-015-1619-0

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