1. Department of Microbiology; College of Pure and Applied Sciences; Kwara State University; Malete Nigeria
2. Faculty of Science; Department of Microbiology; University of Ilorin; Ilorin Nigeria
3. Applied Biochemistry and Molecular Toxicology Research Group; Department of Biochemistry; College of Biological Sciences; Federal University of Agriculture; Abeokuta Nigeria
4. Phytochemical Research Laboratories; Department of Industrial Pharmacy; Federal University of Santa Maria; Santa Maria Brazil