1. Canadian Grain Commission, Grain Research Laboratory, 1404-303 Main St., Winnipeg, MB, R3C 3G8, Canada. Contribution no. 292.
2. Corresponding author. Phone: 204-983-1300. Fax: 204-983-0724. E-mail: mizydorczyk@grainscanada.gc.ca.
3. Crop Development Centre, University of Saskatchewan, Saskatoon, SK, S7N 5A8, Canada.
4. Dept. Food Science, University of Manitoba, Winnipeg, MB, R3T 2N2, Canada.