International Journal of Science and Technology

International Journal of Science and Technology>> Volume 7, Number 2, February 2017

International Journal of Science and Technology


Comparative Evaluation of Ethno-Medicinal Use of two Species of Eucalyptus Plant as an Antimicrobial Agent

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Author Gero Mohammed, Abe Ayotunde S, Inuwa Bashir, Babakura M. Aji, Sule Aliyu M,.Mohammed Hauwa
On Pages 548-550
Volume No. 2
Issue No. 8
Issue Date August, 2012
Publishing Date August, 2012
Keywords Ethno-medicinal, antimicrobial agent, pathogenic microorganisms, essential oil.


Abstract

In the search for alternative ways of plant diseases control, essential oil from two species Eucalyptus plant (Eucalyptus citriodora and Eucalyptus camaldulensis) were studied for their antimicrobial properties against six microorganisms comprising of five bacteria(Bacillus subtilis Pseudomonas aeruginosa, Escherichia coli, Staphylococcus aureus and Klebsiella pneumoniae) and one fungus (Candida albicans). The disk diffusion method was used for the assessment of the inhibitory effects of these essential oils. It was discovered that the antibacterial activity of Eucalyptus citriodora oil was significantly higher than Eucalyptus camaldulensis against the tested microorganisms. Bacillus subtilis, Staphylococcus aureus, Klebsiella spp, Pseudomonas aeruginosa were all resistant against Eucalyptus camaldlensis while high antibacterial activities of 16mm, 18mm, 18mm, 8mm zone of inhibition was recorded when the same bacteria was tested against Eucalyptus citriodora respectively. The highest zone of inhibition o antibacterial activity was recorded when Eucalyptus citriodora was used against Candida albicans(22mm).With the result of this findings it can be observed that Eucalyptus plant most especially Eucalyptus citriodora provide a promising solution in ethnomedicine practice of diseases control providing the need to further investigate and evaluate other essential oil from other plants to complement and possible replace the synthetic antibiotic used in the treatment of infection since it is generally agreed that natural medicinal practice if used in the proper manner is more safe than the use of synthetic drugs in the treatment of infection due to side effect associated with the use synthetic drugs

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