1. USDA-ARS Western Wheat Quality Laboratory, Washington State University, Pullman, WA 99164-6394.
2. Corresponding author. Phone: +1.509.335.4062. Fax +1.509.335.8573. E-mail: morrisc@wsu.edu
3. Department of Biological Systems Engineering, Washington State University, Pullman, WA 99164-6120.
4. Department of Food Science & Human Nutrition, Washington State University, Pullman, WA 99164-6394. Currently assigned to the Western Wheat Quality Laboratory.
5. Current address: Leprino Foods, Tracy, CA 95376-2095.
6. USDA-GIPSA Federal Grain Inspection Service, Kansas City, MO 64133.