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Research Article Open access CC BY 3.0

Synergistic Effect of Monofloral Honeys and Essential Oils against Pseudomonas aeruginosa

Laïd Boukraâ, Hasan A Alzahrani, Fatiha Abdellah, Balkees Bakhotmah, Si Mohamed Hammoudi

Microbiology Research Journal International · pp. 564–573 · Published 14 Aug 2013

10.9734/BMRJ/2013/5331

Abstract

Aims: The emergence of pathogenic bacterial strains with resistance to commonly used antibiotics has necessitated a search for novel types of antibacterial agents. The main objective of this study was to evaluate the synergistic action between honeys and the essential oils (EOs) against Pseudomonas aeruginosa (ATCC 27853). Study Design and Methodology: In the first step, the minimum inhibitory concentration (MIC) of each honeys and Eos were determined. In the second step, lower concentrations of honey than the MIC were mixed with a set of sub-MIC of EOs and then added to media to determine the minimum synergistic inhibitory concentration (MSIC). Place of Study: Laboratory Research onof Local Animal Products, Ibn-Khaldoun University, Tiaret, Algeria. Results: The results indicated that the essential oils and all varieties of honey were effective against P. aeruginosa. The effectiveness was correlated to the botanical origin of honey and EOs. Wild carrot honey and Origanum vulgaris EOs were the most effective against the tested bacteria with a MIC of 8% and 2% respectively. Adding EOs to honey decreases the MIC values and the isobolographic representation shows a synergistic action between the EOs and all varieties of honey. Conclusion: The current prevalence of antibacterial resistant species has led to a re-evaluation of the therapeutic use of ancient remedies, including honey and EOs, which may receive renewed recognition as wound and burn healers.

Antibacterial honey essential oils synergy Pseudomonas aeruginosa.

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