1. Department of Food Science and Center for Advanced Food Technology, Rutgers University, 65 Dudley Road, New Brunswick, New Jersey 08901-8520; Department of Food and Nutrition, Osaka City University, 3-3-138 Sugimoto Sumiyoshi, Osaka, Japan; and Pacific Biomedical Research Center, University of Hawaii, 1993 East-West Road, Honolulu, Hawaii 96822