1. Assistant professor and research associates, respectively, Department of Food Science and Human Nutrition, Washington State University, Pullman, WA 99164-6376.
2. Corresponding author. Phone: 509-335-8230. Fax: 509-335-4815. E-mail: bbaik@wsu.edu.
3. Northwest Plant Breeding Company, 2001 Country Club Road, Pullman, WA 99163.