1. Food and Nutrition Sciences Laboratory, International Institute of Tropical
Agriculture (IITA), PMB 5320, Oyo Road, Ibadan, Oyo State, Nigeria.
2. Food and Nutrition Sciences Laboratory, International Institute of Tropical
Agriculture (IITA), PMB 5320, Oyo Road, Ibadan, Oyo State, Nigeria.. b.maziya-dixon@cgiar.org
3. International Potato Centre (CIP), Lima, Peru