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Biopharmaceutical Assessment of Active Components of Deadaleopsis confragosa and Ganoderma lucidum

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DOI: 10.4236/ojmm.2013.32020    3,103 Downloads   5,267 Views   Citations

ABSTRACT

The spread of multidrug-resistant strains of bacteria makes it necessary to discover new classes of antibacterial and compounds that inhibit these resistant mechanisms. Hence, this study investigated the antimicrobial activities of Ganoderma lucidum and Deadaleopsis confragosa extracts against some bacterial isolates of medical importance. Using agar well diffusion assay, aqueous, ethanolic and petroleum ether extracts were obtained from Ganoderma lucidum and Daedaleopsis confragosa and assayed for antimicrobial on five bacterial species, viz: Pseudomonas aeruginosa, Escherichia coli, Staphylococcus aureus, Proteus mirabilis and Klebsiella pneumoniae. In vitro bioassay revealed that the aqueous extract of G. lucidum inhibited P. aeruginosa S. aureus, E. coli and K. Pneumoniae with inhibition zones of 11.0 ± 0.02 mm, 10.0 ± 0.02 mm, 13.0 ± 0.03 mm and 14.0 ± 0.0 mm respectively. The ethanolic extract of G. lucidum also inhibited P. aeruginosa, S. aureus and E. coli with inhibition zones 12.0 ± 0.01 mm, 11.0 ± 0.02 mm and 16.0 ± 0.01 mm. Petroleum ether extract of G. lucidum inhibited P. aeruginosa, S. aureus and E. coli with inhibition zones of 12.0 ± 0.01 mm, 11.0 ± 0.03 mm and 12.0 ± 0.02 mm. For Daedaleopsis confragosa, the aqeous extract inhibited P. aeruginosa and E. coli with inhibition zones of 12.0 ± 0.01 and 12.0 ± 0.02 mm respectively while the petroleum ether extract inhibited S. aureus and E. coli with inhibition zones of 19.0 ± 0.02 mm and 13.0 ± 0.01 mm respectively. All these inhibitions on clinical isolates are therefore attributed to the presence of some bioactive compound as shown by the phytochemical screening of the mushrooms which include tannins, phenolics, flavonoids and saponin.

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

S. Fakoya, K. Adegbehingbe and A. Ogundiimu, "Biopharmaceutical Assessment of Active Components of Deadaleopsis confragosa and Ganoderma lucidum," Open Journal of Medical Microbiology, Vol. 3 No. 2, 2013, pp. 135-138. doi: 10.4236/ojmm.2013.32020.

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