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Asian Journal of Biology, 2456-7124,Vol.: 3, Issue.: 3

Original-research-article

Comparative Evaluation of the Effect of Annona muricata (Graviola) Leaves Extracts and Cefoxitin on Staphylococcus aureus

 

U. E. George1, C. I. Mboto2, E. N. Mbim2, U. O. Edet3*, C. F. Umego2 and H. Sunday2

1Department of Virology, College of Medicine, University of Ibadan, Ibadan, Oyo State, Nigeria.

2Deparment of Microbiology, Faculty of Biological Sciences, University of Calabar, Calabar, Cross River State, Nigeria.

3Deparment of Microbiology, Faculty of Natural and Applied Sciences, Obong University, Obong Ntak, Etim Ekpo LGA, Akwa Ibom State, Nigeria.

Article Information
Editor(s):
(1) Mohd. Shahnawaz, Department of Botany, Govt. Degree College Kishtwar, Kishtwar-182204, Jammu and Kashmir State, India And Department of Botany, Savitribai Phule Pune University, Pune-411007, Maharashtra, India.
Reviewers:
(1) P. Dhasarathan, Prathyusha Engineering College, Affiliated to Anna University, India.
(2) Wagih Mommtaz Ghannam, Mansoura University, Egypt.
Complete Peer review History: http://www.sciencedomain.org/review-history/20394

Abstracts

Resistance of Staphylococcus aureus to beta- lactam drugs most especially cefoxitin is a known global problem. Current researches are geared toward evaluating the antimicrobial properties of medicinal plants against these organisms. This study was aimed at comparatively evaluating the antimicrobial effects of cefoxitin and Anonna muricata (Graviola) against Staphylococcus aureus strains. A total of ten Staphylococcus aureus  strains obtained from the Microbiology Department of General Hospital were subjected to susceptibility testing against cefoxitin and Anonna muricata extracts (both aqueous and ethanol), respectively using standard microbiology techniques. Out of the 10 isolates tested, 4 (40%) showed resistance to cefoxitin, 2 (20%) were intermediate while 4 (40%) showed susceptibility. However, 8 (80%) out of 10 isolates showed susceptibility to Annona muricata ethanol extract while 2 (20%) were resistance.  In addition, 9 (90%) out of the 10 isolates showed resistance to Anonna muricata aqueous extracts. This study reveals that the isolates of Staphylococcus aureus were significantly more susceptible to alcohol extract of A. muricata than to cefoxitin consistently at concentration of 500-800 mg. There is a need for further studies aimed at evaluating its potentials against other isolates.

Keywords :

Cefoxitin; graviola; antimicrobial resistance; Staphylococci.

Full Article - PDF    Page 1-7 Article Metrics

DOI : 10.9734/AJOB/2017/34555

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