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Antimicrobial effect of essential oil isolated from Eucalyptus globulus Labill. from Montenegro

Author

Listed:
  • Biljana Damjanović-Vratnica

    (Faculty of Metallurgy and Technology, University of Montenegro, Podgorica, Montenegro)

  • Tatjana Đakov

    (Faculty of Technology and Metallurgy, University of Belgrade, Belgrade, Serbia)

  • Danijela Šuković

    (Center for Ecotoxicological Researches of Montenegro, Podgorica, Montenegro)

  • Jovanka Damjanović

    (Institute for Public Health Montenegro, Podgorica, Montenegro)

Abstract

Chemical composition of the essential oil of Eucalyptus globulus Labill., grown in Montenegro, was analysed by gas chromatography-mass spectrometry and its antimicrobial activity was evaluated against 17 microorganisms, including food poisoning and spoilage bacteria and human pathogens.The Eucalyptus essential oil yield was 1.8% (w/w) on the fresh weight basis, whereas the analysis resulted in the identification of a total of 11 constituents, 1.8 cineole (85.8%), α-pinene (7.2%), and β-myrcene (1.5%) being the main components. Other compounds identified in the oil wereβ-pinene, limonene, α-phellandrene, γ-terpinene, linalool, pinocarveol, terpinen-4-ol, and α-terpineol. The results of the antimicrobial activity tests revealed that the essential oil of E. globulus has rather a strong antimicrobial activity, especially against Streptococcus pyogenes, Escherichia coli, Candida albicans, Staphylococcus aureus, Acinetobacter baumannii, and Klebsiella pneumoniae. Minimum inhibitory concentration revealed the lowest activity against Pseudomonas aeruginosa and Salmonela infantis (3.13 mg/ml) while the highest activity was against S. aureus, E. coli, and S. pyogenes (0.09 mg/ml).

Suggested Citation

  • Biljana Damjanović-Vratnica & Tatjana Đakov & Danijela Šuković & Jovanka Damjanović, 2011. "Antimicrobial effect of essential oil isolated from Eucalyptus globulus Labill. from Montenegro," Czech Journal of Food Sciences, Czech Academy of Agricultural Sciences, vol. 29(3), pages 277-284.
    • Handle: RePEc:caa:jnlcjf:v:29:y:2011:i:3:id:114-2009-cjfs
    DOI: 10.17221/114/2009-CJFS
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