1. Food Science Inst.; Kansas State Univ.; 1530 Mid-Campus Drive North Manhattan Kans. 66506 U.S.A
2. Dept. of Food Science and Technology; The Univ. of Tennessee; 2605 RiverDrive Knoxville Tenn. 37996 U.S.A
3. Dept. of Food Science; The Pennsylvania State Univ.; University Park PA 16802 U.S.A