1. Africa Centre of Excellence II in Phytochemicals, Textiles and Renewable Energy (ACE II PTRE), Moi University, Uasin Gishu County, P.O. Box 3900-30100, Eldoret, Kenya
2. Department of Chemistry and Biochemistry, School of Sciences and Aerospace Studies, Moi University, Uasin Gishu County, P. O. Box 3900-30100, Eldoret, Kenya
3. Department of Quality Control and Quality Assurance, Product Development Directory, AgroWays Uganda Limited, Plot 34-60 Kyabazinga Way, P.O. Box 1924, Jinja, Uganda