1. Performance Enhancement and Food Safety Team, Combat Feeding Directorate, U.S. Army Natick Soldier Center, Natick MA 01760-5018.
2. Frito-Lay, Inc., Plano, TX.
3. The Ohio State University, Department of Food, Agricultural, and Biological Engineering, Columbus, OH.
4. Corresponding author. Phone: 614-292-0419. Fax: 614-292-9448. E-mail: kaletunc.1@osu.edu