1. Department of Chemistry and Biochemistry, School of Sciences and Aerospace Studies, Moi University, Uasin Gishu County, P.O. Box 3900, Eldoret, Kenya
2. Africa Center of Excellence II in Phytochemicals, Textiles and Renewable Energy (ACE II PTRE), Moi University, Uasin Gishu County, P.O. Box 3900, 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
4. Department of Physical Sciences, University of Kabianga, P.O. Box 2030, Kericho, Kenya
5. Department of Medical Biochemistry, School of Biomedical Sciences, College of Health Sciences, Makerere University, P. O. Box 7026, Kampala, Uganda
6. Department of Quality Control and Quality Assurance, Sweets and Confectionaries Section, Kakira Sugar Limited, P.O. Box 121, Jinja, Uganda
7. Chemistry Department, Faculty of Science, Mbarara University of Science and Technology, P.O. Box 1410, Mbarara, Uganda
8. Department of Pharmacology and Therapeutics, Faculty of Health Sciences, Busitema University, P.O. Box 1460, Mbale, Uganda