1. Graduate student and professor, respectively, 2312 Food Sciences Building, Department of Food Science and Human Nutrition and Center for Crops Utilization Research, Iowa State University, Ames, IA 50011.
2. Currently, Food Technologist, Tate and Lyle, Decatur, IL 62525.
3. Research geneticist, USDA-ARS, Corn Insects and Crop Genetics Research Unit, Department of Agronomy, Iowa State University, Ames, IA 50011.
4. Corresponding author. Phone: (515) 294-9688. Fax: (515) 294-8181. E-mail: pjwhite@iastate.edu