1. Product Development Programme, National Horticultural Research Institute, Ibadan, Nigeria
2. Faculty of Technology, Department of Food Technology, University of Ibadan, Ibadan, Nigeria
3. Faculty of Agriculture, Department of Agricultural Mechanization and Irrigation Technology, University for Development Studies, Tamale, Ghana
4. Faculty of Organic Agricultural Sciences, Section of Agricultural and Biosystems Engineering, University of Kassel, Witzenhausen, Germany