1. Dept. of Nutritional Sciences, University of Toronto, Toronto, ON, Canada.
2. Corresponding author. Phone: 416-978-3523. Fax: 416-978-5882. E-mail: lilian.thompson@utoronto.ca
3. MGP Ingredients, Inc., Atchison, KS 66002.
4. Dept. Grain Science and Industry, Kansas State University, Manhattan, KS 66506.