Awofisayo, Sunday O; Department of Clinical Pharmacy and Biopharmacy, Faculty of Pharmacy, University of Uyo, P. O. Box 4274, Uyo Akwa Ibom State, Nigeria; Okhamafe, Augustine O; Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, University of Benin, Benin City, 300001, Nigeria; Arhewoh, Mathew I; Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, University of Benin, Benin City, 300001, Nigeria