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:: Volume 17, Issue 5 (Iranian South Medical Journal 2014) ::
Iran South Med J 2014, 17(5): 879-888 Back to browse issues page
Antimicrobial effect of the aqueous and ethanolic Avicennia marina extracts on Staphylococcus epidermidis, Streptococcus pyogenes and Pseudomonas aeruginosa” in vitro”
Behrooz Alizadeh Behbahani 1, Farideh Tabatabaei Yazdi2, Fakhri Shahidi2, Mohabat Mohebbi2
1- Department of Food Science and Technology, Faculty of Agriculture, Ferdowsi University of Mashhad, Mashhad, IRAN , behrooz66behbahani@gmail.com
2- Department of Food Science and Technology, Faculty of Agriculture, Ferdowsi University of Mashhad, Mashhad, IRAN
Abstract:   (3871 Views)

Background: Avicennia marina (Forssk.) Vierh. belongs to Acantaceae family. Due to biological active compounds and traditional use of it’s leaves to treat rheumatic disease and wounds, seems that this plant has significant anti-microbial effects. The aim of this study was to determine antimicrobial effect of the aqueous and ethanolic extracts of Avicennia marina (different concentrations) on Staphylococcus epidermidis PTCC 1435, Streptococcus pyogenes PTCC 1447 and Pseudomonas aeruginosa PTCC 1310” in vitro”. Material &Methods: In this study, antimicrobial effect of the extracts was evaluated by two methods, “Collins method” (spreading of the extract on medium surface) and “disk agar diffusion method”. The Minimum Inhibitory Concentration (MIC) and Minimum Bactericidal Concentration (MBC) for both species determined using a dilution method. Statistical analysis was carried out by analysis of variance (ANOVA). Results: The results showed that in "disk agar diffusion test ", ethanolic extract had inhibitory effect on Staphylococcus epidermidis and Streptococcus pyogenes. The results showed that in, “Collins method” aqueous extract did not show any inhibitory effect on Pseudomonas aeruginosa. The result showed that MIC of Avicenna marina leaves of the aqueous and ethanolic extracts for Pseudomonas aeruginosa were 32 and 16 mg/ml, respectively. The MBC aqueous and ethanolic extracts of Avicenna marina leaves for Pseudomonas aeruginosa were, 64 and 32 mg/ml respectively. Conclusions: Pseudomonas aeruginosa was resistant to most of the aqueous and ethanolic Avicenna marina extracts. The ethanolic extract of Avicenna marina leaves “in vitro” have a significant antimicrobial effect on gram-negative bacteria Pseudomonas aeruginosa and the gram-positive bacteria Staphylococcus epidermidis and Streptococcus pyogenes.

Keywords: Avicenna marina, Aqueous extract, Ethanolic extract, Antimicrobial effect
Full-Text [PDF 737 kb]   (1345 Downloads)    
Type of Study: Original | Subject: General
Received: 2014/10/15 | Accepted: 2014/10/15 | Published: 2014/10/15
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Alizadeh Behbahani B, Tabatabaei Yazdi F, Shahidi F, Mohebbi M. Antimicrobial effect of the aqueous and ethanolic Avicennia marina extracts on Staphylococcus epidermidis, Streptococcus pyogenes and Pseudomonas aeruginosa” in vitro”. Iran South Med J. 2014; 17 (5) :879-888
URL: http://ismj.bpums.ac.ir/article-1-602-en.html


Volume 17, Issue 5 (Iranian South Medical Journal 2014) Back to browse issues page
دانشگاه علوم پزشکی بوشهر، طب جنوب ISMJ

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