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Evaluation of mineral and heavy metal contents in Croatian blackberry wines

Author

Listed:
  • Daniela Amidžić Klarić

    (Department of Food Chemistry, Faculty of Pharmacy and Biochemistry, University of Zagreb, Zagreb, Croatia)

  • Ilija Klarić

    (Department of Public Health, Brčko, Bosnia and Herzegovina)

  • Darko Velić

    (Department of Process Engineering, Faculty of Food Technology Osijek, Osijek, Croatia)

  • Irena Vedrina Dragojević

    (Department of Food Chemistry, Faculty of Pharmacy and Biochemistry, University of Zagreb, Zagreb, Croatia)

Abstract

The mineral and heavy metal contents in 17 commercially available Croatian blackberry wines were determined by FAAS/FAES and GFAAS. The concentrations of potassium, sodium, calcium, magnesium, iron, copper, manganese, zinc, cobalt, chromium, and cadmium were between (in mg/l) 924-1507, 11.81-120.10, 86.4-457.1, 183.4-381.2, 0.082-6.273, 0.058-0.767, 1.47-11.53, 0.247-6.645, and (in µg/l) 3.21-11.89, 10.08-15.88, and 0.55-9.9, respectively. A negative correlation was found between the concentrations of macro (Mg) and micro (Fe) minerals. Furthermore, positive correlations were observed between the concentrations of manganese, cadmium, and cobalt that indicated the origin of these elements in the anthropogenic source. Multivariate analyses (PCA/LDA) showed that the distinct patterns of the metal contents in blackberry wines could be identified with quite satisfactory accuracy (sensitivity and specificity) with the subregion of the origin. In regard to the results obtained, Croatian blackberry wines could be considered as safe from the health risk point of view and as a good additional source of the essential nutrients investigated such as manganese, magnesium, and potassium.

Suggested Citation

  • Daniela Amidžić Klarić & Ilija Klarić & Darko Velić & Irena Vedrina Dragojević, 2011. "Evaluation of mineral and heavy metal contents in Croatian blackberry wines," Czech Journal of Food Sciences, Czech Academy of Agricultural Sciences, vol. 29(3), pages 260-267.
    • Handle: RePEc:caa:jnlcjf:v:29:y:2011:i:3:id:132-2009-cjfs
    DOI: 10.17221/132/2009-CJFS
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