In Vitro Antibacterial Effect of Aqueous and Ethanolic Moringa Leaf Extracts

Overview

Journal Asian Pac J Trop Med

Specialties Infectious Diseases
Tropical Medicine

Date 2011 Jul 21

PMID 21771453

Citations 25

Authors

Jackson Rafael Oliveira Peixoto

Giselle Cristina Silva

Renata Albuquerque Costa

Josei Res Lira de Sousa Fontenelle

Gustavo Hitzschky Fernandes Vieira

Antonio Adauto Fonteles Filho

Regine Helena Silva Dos Fernandes Vieira

Affiliations

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Abstract

Objective: To evaluate the antibacterial effect of aqueous and ethanolic moringa leaf extracts (Moringa oleifera) on the growth of gram-positive and negative bacteria.

Methods: Paper disks were soaked with 100, 200, 300 and 400 μL of extract at 20 g/180 mL and 10 g/190 mL. All extracts were tested against Escherichia coli (ATCC25922), Staphylococcus aureus (ATCC25923), Vibrio parahaemolyticus, Enterococcus faecalis (ATCC29212), Pseudomonas aeruginosa (ATCC27853), Salmonella enteritidis (IH) and Aeromonas caviae. The susceptibility tests were performed using the modified disk diffusion method.

Results: The strains E. coli, P. aeruginosa and S. enteritidis (IH) were resistant to all treatments. In general, disks with 400 μL extract were the most efficient against S. aureus, V. parahaemolyticus, E. faecalis and A. caviae.

Conclusions: The study indicates a promising potential for aqueous and ethanolic Moringa leaf extracts as alternative treatment of infections caused by the tested strains.

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