Antimicrobial Activity of Rosemary Essential Oil and its Interaction with Common Therapeutic Antibiotics on some Gram Positive and Gram Negative Bacteria

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Ebrahimi Hemmati Kaykha Mohsen; Jooyandeh Hossein; ALIZADEH BEHBAHANI BEHROOZ; NOSHAD MOHAMMAD

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Journal: Iranian Journal of Infectious Diseases and Tropical Medicine Year:2020 | Volume:24 | Issue:87 Page(s): 25-34

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Title

Antimicrobial Activity of Rosemary Essential Oil and its Interaction with Common Therapeutic Antibiotics on some Gram Positive and Gram Negative Bacteria

Author(s)

Ebrahimi Hemmati Kaykha Mohsen | Jooyandeh Hossein | ALIZADEH BEHBAHANI BEHROOZ | NOSHAD MOHAMMAD | Issue Writer Certificate

Keywords

Rosemary essential oilQ1

Antimicrobial effectQ2

Gram positive and negative bacteriaQ1

InteractionQ1

Abstract

Background and Objectives: Rosemary has long been regarded as one of the antimicrobial agents in traditional medicine. Today, due to the increasing resistance of microbial strains to antibiotics, numerous problems have arisen in medical and pharmaceutical sciences. This study was performed to evaluate antimicrobial activity of Rosemary essential oil (REO) on some important human pathogenic bacteria. Materials and methods: Five pathogenic bacterial strains including Escherichia coli, Pseudomonas aeruginosa and Salmonella typhi as gram negative bacteria and Staphylococcus aureus and Listeria innocua as gram positive bacteria were selected. Antimicrobial activity of REO in vitro conditions on the selected pathogens was determined by disk diffusion agar, well diffusion agar, minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC). Furthermore, the Interaction of REO with common therapeutic antibiotics was assessed. Results: The results showed that based on disc diffusion agar method, the inhibition zone diameter of REO for Staphylococcus aureus, Salmonella typhi, Listeria innocua, Escherichia coli and Pseudomonas aeruginosa were 14. 60, 10. 30, 12. 50, 12. 10 and 12. 20 mm, respectively. A synergistic effect was revealed in combination of REO and chloramphenicol antibiotic against Salmonella typhi, Listeria innocua, and Pseudomonas aeruginosa, while this impact has been shown to be antagonistic for Escherichia coli and Staphylococcus aureus. Furthermore, synergistic Interactions between REO and gentamicin antibiotic were found for all tested strains and the MIC for Staphylococcus aureus, Salmonella typhi, Listeria innocua, Escherichia coli and Pseudomonas aeruginosa were determined as 20. 10, 18. 60, 20. 20, 18. 00 and 19. 10 mm, respectively. The minimum inhibitory concentration of REO for all tested bacteria in this study was 12. 50 mg/ml. Conclusion: Based on results of this study, it was found that REO has an acceptable antibacterial activity against the examined pathogenic strains. Therefore, REO may be used as a natural preservative in food products to control the growth of pathogenic microorganisms.

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APA: Copy

Ebrahimi Hemmati Kaykha, Mohsen, Jooyandeh, Hossein, ALIZADEH BEHBAHANI, BEHROOZ, & NOSHAD, MOHAMMAD. (2020). Antimicrobial Activity of Rosemary Essential Oil and its Interaction with Common Therapeutic Antibiotics on some Gram Positive and Gram Negative Bacteria. IRANIAN JOURNAL OF INFECTIOUS DISEASES AND TROPICAL MEDICINE, 24(87 ), 25-34. SID. https://sid.ir/paper/398229/en

Vancouver: Copy

Ebrahimi Hemmati Kaykha Mohsen, Jooyandeh Hossein, ALIZADEH BEHBAHANI BEHROOZ, NOSHAD MOHAMMAD. Antimicrobial Activity of Rosemary Essential Oil and its Interaction with Common Therapeutic Antibiotics on some Gram Positive and Gram Negative Bacteria. IRANIAN JOURNAL OF INFECTIOUS DISEASES AND TROPICAL MEDICINE[Internet]. 2020;24(87 ):25-34. Available from: https://sid.ir/paper/398229/en

IEEE: Copy

Mohsen Ebrahimi Hemmati Kaykha, Hossein Jooyandeh, BEHROOZ ALIZADEH BEHBAHANI, and MOHAMMAD NOSHAD, “Antimicrobial Activity of Rosemary Essential Oil and its Interaction with Common Therapeutic Antibiotics on some Gram Positive and Gram Negative Bacteria,” IRANIAN JOURNAL OF INFECTIOUS DISEASES AND TROPICAL MEDICINE, vol. 24, no. 87 , pp. 25–34, 2020, [Online]. Available: https://sid.ir/paper/398229/en

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