1. Department of Chemistry, Obafemi Awolowo University, Ile-Ife, Osun State, Nigeria
2. Department of Pharmaceutics, Obafemi Awolowo University, Ile-Ife, Osun State, Nigeria
3. Department of Biochemistry and Molecular Biology, Obafemi Awolowo University, Ile-Ife, Osun State, Nigeria
4. Department of Pharmacognosy, Obafemi Awolowo University, Ile-Ife, Osun State, Nigeria
5. Department of Chemistry, North-West University, Mafikeng Campus, Mmabatho, South Africa