1. Food and Nutritional Evaluation Laboratory, Biosciences for East and Central Africa at International Livestock Research Institute (ILRI) International Potato Center (CIP) Sub‐Saharan Africa Regional Office P. O. Box 25171 Nairobi Kenya
2. Department of Dairy and Food Science South Dakota State University Brookings SD 57007
3. Department of Food, Nutrition and Bioprocessing, Schaub Hall North Carolina State University Raleigh NC 27607