Volume 10, Issue 6 (Nov-Dec-2016 2016)                   mljgoums 2016, 10(6): 49-53 | Back to browse issues page


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Farshbaf Derhami S, Ghiami Rad M, Mahmoudi R. Evaluation of Antibacterial Effects of Aqueous and Alcoholic Extracts of Nasturtium Officinale on Some Pathogenic. mljgoums. 2016; 10 (6) :49-53
URL: http://mlj.goums.ac.ir/article-1-915-en.html
1- Department of Microbiology, Faculty of Basic science Biology
2- Department of Food Hygiene and Aquatics, Faculty of Veterinary Medicine
Abstract:   (11946 Views)

ABSTRACT

         Background and Objective: Although antibiotics are commonly used for treatment of infectious diseases, these treatments are often associated with several problems such as unwanted side effects and resistance to antibiotics. The aim of this study was to evaluate the antibacterial effect of aqueous and alcoholic extracts of Nasturtium officinale on Escherichia coli, Salmonella typhimurium, Staphylococcus aureus and Listeria monocytogenes.

          Methods: All experiments were performed using the well diffusion method. Minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) of the aqueous and alcoholic extracts of N. officinale against the pathogenic bacteria studied were determined by microdilution method.

         Results: In the well diffusion method, S. aureus and L. monocytogenes were the most sensitive bacteria with MIC of 8 μg/ml, while E. coli and S. typhimurium were the most resistant bacteria to the aqueous and alcoholic extracts. In addition, the inhibitory activity of the alcoholic and aqueous extracts of N. officinale was higher against gram-positive bacteria compared to gram-negatives. The lowest MIC (6.25 μg/ml) and MBC (12.5 μg/ml) of the plant extract were against S. aureus.

          Conclusion: The aqueous and alcoholic extracts of N. officinale affect the growth of gram-positive bacteria (S. aureus and L. monocytogenes) but not the gram-negatives (S. typhimurium and E. coli). These extract could be used for treatment of infections.

        Keywords: Nasturtium Officinale, Aqueous Extract, Alcoholic Extract, Antibacterial Effect.

Full-Text [PDF 595 kb]   (939 Downloads)    
Type of Study: Original Paper |
Received: 2017/01/25 | Accepted: 2017/01/25 | Published: 2017/01/25 | ePublished: 2017/01/25

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