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Articles by F.E. Oronsaye
Total Records ( 2 ) for F.E. Oronsaye
  M. Idu , F.E. Oronsaye , C.L. Igeleke , S.E. Omonigho , O.E. Omogbeme and B.A. Ayinde
  The phytochemistry and antimicrobial effects of water, methanol, chloroform and petroleum ether extracts of Senna alata leaves were studied. Extracts tested at a final concentration of 500 μg mL produced in vitro antimicrobial activities in assays against clinical isolates of Staphylococus aureus, Candida albicans, Escherichia coli, Proteus vulgaris, Pseudomonans aeruginosa and Bacillus subtilis. The zones of inhibitions produced by the extracts in agar diffusion assay against the test micro organisms ranged from 8 to 20 mm while the gentamycin antibiotic control produced zones that measured 5 mm. Preliminary phytochemical analysis of the plant extracts showed the presence of phenols, tannins, anthraquinoes, saponins, flavonoids.
  O. Timothy , M. Idu , A. Falodun and F.E. Oronsaye
  This study was aimed at determining the phytochemistry and antimicrobial properties of the methanolic extract of Baissea axillaris leaf. Phytochemical analyses of B. axillaris leaf using procedures described by Trease and Evans, revealed the presence of saponins, phenolic compounds, eugenol oil, glycosides and tannins. Methanolic extract of the leaf showed antimicrobial activities against some organisms. The extract was most active against Staphylococcus aureus yielding the highest zone of inhibition (15 mm) as well as the least minimum inhibition concentration of 125 μg mL-1. It was least effective against Escherichia coli as minimum inhibition concentration was above 500 μg mL-1.
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