Z. A. M. Nworgu1+, D. N. Onwukaeme2, A. J. Afolayan3, F. C Ameachina1 and B. A. Ayinde2
1Department of Pharmacology and Toxicology Faculty of Pharmacy, University of Benin, Benin City, Nigeria.
2Department of Pharmacognosy, Faculty of Pharmacy, University of Benin.
3Department of Botany, Faculty of Science, University of Fort Hare.
