1. Department of Chemistry, Faculty of Science, Federal University Lokoja, Lokoja, Kogi State, Nigeria
2. Centre for Natural Products and Traditional Knowledge, Indian Institute of Chemical Technology, Hyderabad, India
3. Toxicology Unit, Biology Division, Indian Institute of Chemical Technology, Hydrabad, India
4. Department of Industrial Chemistry, Faculty of Physical Science, University of Ilorin, Ilorin, Nigeria