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Components responsible for antimicrobial activity of propolis from continental and Mediterranean regions in Croatian

Author

Listed:
  • Ivana Tlak Gajger

    (Faculty of Veterinary Medicine and 3Faculty of Pharmacy and Biochemistry, University of Zagreb, Zagreb, Croatia)

  • Iva Pavlović

    (Ruđer Bošković Institute, Zagreb, Croatia)

  • Mirza Bojić
  • Ivan Kosalec
  • Siniša Srečec

    (Križevci College of Agriculture, Križevci, Croatia)

  • Toni Vlainić

    (Ruđer Bošković Institute, Zagreb, Croatia)

  • Josipa Vlainić

    (Ruđer Bošković Institute, Zagreb, Croatia)

Abstract

Propolis is a popular subject of research worldwide due to its therapeutic potential. The antimicrobial activity of propolis appears to be promising but depends on many variables related to its origin such as the content of phenolics and flavonoids. To address this issue with Croatian propolis, which has two major origins (Mediterranean and continental), we exposed bacteria (Escherichia coli and Staphylococcus aureus) and yeasts (Candida albicans and Aspergillus niger) to different propolis concentrations (two-fold microdilution method with TCC/formazan endpoint). Total phenolic and flavonoid content and chromatographic profile along with antioxidant activity were assessed. The majority of the 24 propolis samples tested exhibited potent antimicrobial activity against S. aureus bacteria and the yeast C. albicans. Most propolis samples also exhibited robust antioxidative capacity which correlated polyphenol and flavonoid content. To the best of our knowledge this is the first study in which the antimicrobial activity of Croatian propolis is correlated with its constituents.

Suggested Citation

  • Ivana Tlak Gajger & Iva Pavlović & Mirza Bojić & Ivan Kosalec & Siniša Srečec & Toni Vlainić & Josipa Vlainić, 2017. "Components responsible for antimicrobial activity of propolis from continental and Mediterranean regions in Croatian," Czech Journal of Food Sciences, Czech Academy of Agricultural Sciences, vol. 35(5), pages 376-385.
    • Handle: RePEc:caa:jnlcjf:v:35:y:2017:i:5:id:103-2017-cjfs
    DOI: 10.17221/103/2017-CJFS
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    References listed on IDEAS

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    1. Jelena Živković & Zoran Zeković & Ibrahim Mujić & Senka Vidović & Dragoljub Cvetković & Žika Lepojević & Goran Nikolić & Nataša Trutić, 2010. "Scavenging capacity of superoxide radical and screening of antimicrobial activity of Castanea sativa Mill. extracts," Czech Journal of Food Sciences, Czech Academy of Agricultural Sciences, vol. 28(1), pages 61-68.
    2. Nazan Celikel & Gökhan Kavas, 2008. "Antimicrobial properties of some essential oils against some pathogenic microorganisms," Czech Journal of Food Sciences, Czech Academy of Agricultural Sciences, vol. 26(3), pages 174-181.
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