Sattari, Morteza, Shahbazi, Nasrin, Najar Peeryeh, Shahin (2006). An assessment of antibacterial effect of alcoholic and aquatic extracts of Eucalyptus leaves on Pseudomonas aeruginosa. , 8(1), 19-23.
Morteza Sattari; Nasrin Shahbazi; Shahin Najar Peeryeh. "An assessment of antibacterial effect of alcoholic and aquatic extracts of Eucalyptus leaves on Pseudomonas aeruginosa". , 8, 1, 2006, 19-23.
Sattari, Morteza, Shahbazi, Nasrin, Najar Peeryeh, Shahin (2006). 'An assessment of antibacterial effect of alcoholic and aquatic extracts of Eucalyptus leaves on Pseudomonas aeruginosa', , 8(1), pp. 19-23.
Sattari, Morteza, Shahbazi, Nasrin, Najar Peeryeh, Shahin An assessment of antibacterial effect of alcoholic and aquatic extracts of Eucalyptus leaves on Pseudomonas aeruginosa. , 2006; 8(1): 19-23.

An assessment of antibacterial effect of alcoholic and aquatic extracts of Eucalyptus leaves on Pseudomonas aeruginosa

Pathobiology Reserach
Article 4, Volume 8, Issue 1, 2006, Pages 19-23    PDF (208.34 K)
Authors
Morteza Sattari* 1; Nasrin Shahbazi1; Shahin Najar Peeryeh2
1Department of Bacteriology, Tarbiat Modares University, Tehran, Iran.
2Department of Bacteriology, Tarbiat Modares University, Tehran, Iran
Abstract
Purpose: In this study the inhibitory effect of Eucalyptus extracts as a natural and herbal antibacterial substance was evaluated against Pseudomonas aeruginosa strains (8821M and ATCC27853).
Material and Methods: The MIC (Minimal Inhibitory Concentration) of alcoholic and aquatic extracts of Eucalyptus was determined using the tube and agar dilution methods. The growth rate of Pseudomonas aeruginosa in sub-MIC concentration of extracts was compared with the controls. Phenol coefficients of extracts were determined by the Ridal- Walker method.
Result and Discussion: The MIC was 1:8(3.2 mg/ml) fold of the alcoholic extracts and 1:4(17.5 mg/ml) fold of the aquatic extracts. In the sub-MIC concentration of extracts, by increasing the Eucalyptus extract concentration, the growth rate was decreased. Phenol coefficients of the alcoholic and aquatic extracts were evaluated to be 0.0381 and 0.019, respectively.
Conclusion: Results of this study indicated that crude aquatic and alcoholic extracts of Eucalyptus have inhibitory effects on the growth of Pseudomonas aeruginosa and in the sub- MIC concentration of extracts this value decreases. Overall, the plants indicated a wide range of antimicrobial activities which can lead to the detection of new antibiotics against resistant bacteria.
Keywords
Pseudomonas aeruginosa; Eucalyptus; Inhibitory effect
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