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Volume : 1 Issue : 10, December 2011



Research Article

Evaluation of the antimicrobial activities of crude extract of Cryptolepis sanguinolenta and Crateva adansonii leaves and their interactions


Agboke Ayodeji A.1, Attama Anthony A.2, Momoh Mumuni A.2

  Author Affiliations


Abstract

Activities of crude extract of Cryptolepis Sanguinolen and Crateva Adansonii leaves and their interactions were evaluated.Crude methanol extracts of Crateva adansonii and Cryptolepis sanguinolenta leaves were obtained by cold maceration. Antimicrobial activities of the extracts were carried out against six bacteria ie Pseudomonas aeruginosa, Escherichia coli, Salmonella typhii, Staphylococcus aureus, Klebsiella pneumoniae, Bacillus subtilis andtwo fungi which includes Aspergillus niger and Candida albicans using agar dilution method MICs of methanol extract of Crateva adansonii against the six bacteria are Pseudomonas aeruginosa -12.5 mg/ml, Escherichia coli - 6.25 mg ml, Salmonella typhi - 12.5 mg/ml, Staphylococcus aureus - 2.5 mg/ml, Klebsiella pneumonia - 6.25 mg/ml, Bacillus subtilis - 12.5 mg/ml, fungi Aspergillus niger - 12.5 mg/ml, Candida albicans - 12.5 mg/ml. While the MICs of methanol extract of Cryptolepis sanguinolenta against the six bacteria. Pseudomonas aeruginosa - 12.5 mg/ml, Escherichia coli - 6.25 mg ml, Salmonella typhii - 12.5 mg/ml, Staphylococcus aureus - 12.5 mg/ml, Klebsiella pneumoni - 12.5 mg/ml. Bacillus subtilis - 6.25 mg/ml and for fungi Aspergillus niger - 12.5 mg/ml, Candida albicans - 6.25 mg/ml. Combined activity of the two plant extracts against Escherichia coil, klebsiella pneumoniae, Bacillus subtilis and Candida albicans was carried out at the ratios of 1:1, 2:1 and 1:2 of extracts of Crateva adansonii and Cryptolepis sanguinolenta respectively. Combination 1:2 and 2:1 were found to be effective and able to inhibit Escherichia coli and Candida albicans. The result of this work shows that the extracts of Cryptolepis sanguinolenta and Cranteva Adansonii have both antifungal and antibacterial effects and their combination is effective in some bacterial and fungal infection most especially Candida albicans infection.

Keywords:

Crude extracts, Cryptolepis sanginolenta, Crateva adansonii, combination interactions, antibacteria, antifungal



Citation:


Copyright: The Author(s). This is an open access article distributed under the Creative Commons Attribution Non-Commercial License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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