Antimicrobial Activity of Leaf Extracts of Pavetta crassipes (Hutch) Against Some Respiratory Tract Pathogens

Mustapha Y., Bala M. M.

Abstract


The antimicrobial activity of different concentrations of ethanol and chloroform extracts of the leaves of Pavetta crassipes (Hutch 1963) was tested against 4 bacterial isolates causing human respiratory tract infections using invitro disc-plate method namely Staphylococcus aureus Rosenbach 1884, Klebsiella pneumoniae (Schroeter 1872), Proteus species and Pseudomonas aeruginosa (Schroeter 1872). The results revealed that both extract fractions have varying levels of activity against the test organisms. It was also found that increase in activity was proportional to increase in concentration of the extract.

Keywords: Antimicrobial activity, Staph. aureus, Klebsiella pneumoniae, Proteus species, Pseudomonas aeruginosa, Pavetta crassipes.

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