1. Department of Postharvest Management, College of Agriculture and Veterinary Medicine; Jimma University; PO Box 307 Jimma Ethiopia
2. Center for Food Science and Nutrition, College of Natural Sciences; Addis Ababa University; PO Box 1176 Addis Ababa Ethiopia
3. Department of Horticulture and Plant Sciences, College of Agriculture and Veterinary Medicine; Jimma University; PO Box 307 Jimma Ethiopia