1. Department of Food Science, Nutrition and Technology, University of Nairobi, P.O. Box 29053-00625, Nairobi, Kenya
2. Department of Food and Nutrition School of Food Technology, Nutrition and Bio-engineering, Makerere University, P.O. Box 7062, Kampala, Uganda
3. Kibabii University College, P.O. Box 1699, 50200, Bungoma, Kenya
4. Kenya Agricultural Livestock Research Organization Kitale, Kenya
5. Centre for Nutrition and Food Sciences, Queensland Alliance for Agriculture and Food Innovation, University of Queensland, St Lucia QLD 4072, Australia.