Investigation between Alcoholic Extract and Essential Oil Melissa Officinalis L. New in Growth Inhibition of E. coli

AUTHORS

Nooshin Naghsh 1 , monir doudi 2 , Zohreh Nikbakht 2 , *

1 Department of Biology, Falavarjan Branch, Islamic Azad University, Isfahan, Iran

2 Department of Microbiology, Falavarjan Branch, Islamic Azad University, Isfahan, Iran

How to Cite: Naghsh N, doudi M, Nikbakht Z . Investigation between Alcoholic Extract and Essential Oil Melissa Officinalis L. New in Growth Inhibition of E. coli, Zahedan J Res Med Sci. 2013 ; 15(8):e92907.

ARTICLE INFORMATION

Zahedan Journal of Research in Medical Sciences: 15 (8); e92907
Published Online: December 30, 2012
Article Type: Research Article
Received: August 16, 2011
Revised: October 20, 2011
Accepted: December 13, 2011

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Abstract

Background: Therapy of plant is not any side effects and drug resustant for inhibition of
disease in world. In this study, antimicrobial effects of Melissa officinalis L. ethanol
exteract and essential oil on E. coli have been investigated.
Materials and Methods: In this investigation, diameter of inhibitory zone of these
materials was measured in disk agar diffusion method. Therefore, Melissa officinalisL.
ethanolic exteract (80%) and essential oil have been supplied. Then, antimicrobial activity
these substances next for 24 hour for ethanol extraction 80% concentration 50 to 1000
mg/mL and essential oil concentration with 3% to 100% has been considered. Also,
comparison of mean diameter of inhibitory zone between treatment and control groups of
ANOVA has been used.
Results: Results of these investigations were shown that extract ethanol Melissa officinalis
L. was any inhibitory effect on E. coli growth 24 hour after of treatment. Also, diameter of
inhibitory zone for 100% essential oil have been 33.2±0.13mm in E. coli that has been
increased in comparison control groups significantly (p=0.001). This inhibitory effects was
more than cefixime and cefteriaxone (p=0.00, p=0.01).
Conclusion: These found were shown that this plant prevents growth of E. coli In vitro
condition. This essential oil could be suggested as antimicrobial agents for inhibition of
bacterial diseases in human.

Keywords

Melissa officinalis Essential oil Anti-bacterial E. coli

© 2013, Zahedan Journal of Research in Medical Sciences. This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/) which permits copy and redistribute the material just in noncommercial usages, provided the original work is properly cited.

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