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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
IJCMAS is now DOI (CrossRef) registered Research Journal. The DOIs are assigned to all published IJCMAS Articles.
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2018: 95.39
Index Copernicus ICI Journals Master List 2018 - IJCMAS--ICV 2018: 95.39
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2016.5(7): 687-691
DOI: http://dx.doi.org/10.20546/ijcmas.2016.507.078


Antimicrobial Activity of Different Extracts of Leaves Bark and Roots of Moringa oleifera (Lam)
D.A.C.K. Dalukdeniya, K.L.S.R. De Silva and R.M.U.S.K. Rathnayaka*
Department of Food Science and Technology, Faculty of Applied Sciences, Sabaragamuwa University of Sri lanka, P.O.Box 02, Belihuloya, Sri Lanka
*Corresponding author
Abstract:

The main aim of this study was to evaluate the antibacterial activity of aqueous extracts, chloroform extracts and methanol extracts obtained from leaves, bark and roots of Moringa oleifera (Lam) against four food borne microbial pathogens, Salmonella enteritica, Vibrio parahaemolyticus, Escherichia coli and Listeria monocytogenes. In general, extracts obtained by all extraction methods showed antimicrobial activity against all tested microorganisms. Lowest and highest antibacterial activity was shown by aqueous extraction and chloroform extraction of residue obtained after aqueous extraction. Highest antibacterial activity was shown by chloroform extraction of residue obtained after aqueous extraction against Salmonella enteritica. Listeria monocytogenes was found to be the most resistant organism to all types of extracts. Higher antibacterial activity was shown against gram negative bacteria compared to gram positive bacteria tested. According to the results of the study, chloroform extraction was found to be the best extraction method to extract antimicrobial compounds from Moringa oleifera (Lam). Bark of the plant shown to be containing higher amount of antimicrobial compounds compared to leaves and roots of the pant. In conclusion, Moringa oleifera (Lam) extracts found to be containing chemical compounds useful in food preservation and development of drugs against food borne microbial pathogens.


Keywords: Moringa oleifera, antibacterial compounds,food borne pathogens,plant extracts.
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How to cite this article:

Dalukdeniya, D.A.C.K., K.L.S.R. De Silva and Rathnayaka, R.M.U.S.K. 2016. Antimicrobial Activity of Different Extracts of Leaves Bark and Roots of Moringa oleifera (Lam).Int.J.Curr.Microbiol.App.Sci. 5(7): 687-691. doi: http://dx.doi.org/10.20546/ijcmas.2016.507.078