Investigation of antibacterial activities of ethanol extracts of Musa paradisiaca Lam.
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Date
2011-08
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Abstract
In the present work, the roots of Musa Paradisiaca Lam. (Family: Musaceae) were
investigated for preliminary phytochemical screening and antibacterial activity. Preliminary
phytochemical screening of ethanol extract of the roots revealed the presence of various classes of
compounds like alkaloids, glycosides, steroids, flavonoids, saponins, reducing sugars and tannins.
The ethanol extract of the roots of Musa Paradisiaca Lam. was tested by using agar disc diffusion
method for antimicrobial assay. The ethanol extract of Musa Paradisiaca Lam. showed moderate
in-vitro antibacterial activity against both gram positive (B. Megaterium, B. Subtilis, S. aureus)
and gram negative (E. coli, P. aeruginosa, S. dysenteriae, S. typhi, Vibrio cholerae and S. flexneri)
bacteria with the zones of inhibition ranging from 10.53 ± 0.37 to 12.42 ± 0.85 mm at
concentration of 500 μg/disc. Thus the findings revealed the medicinal potential of Musa
Paradisiaca Lam. against various infectious diseases to develop a drug.
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Keywords
Antimicrobial assay, antibacterial activity, zones of inhibition, Musa paradisiaca
Citation
Biswas Subrata Kumar, Chowdhury Anusua, Das Joysree, Raihan Sheikh Zahir, Shill Manik Chandra, Karmakar Utpal Kumar. Investigation of antibacterial activities of ethanol extracts of Musa paradisiaca Lam. Journal of Applied Pharmaceutical Science. 2011 Aug; 1(6): 133-136.