1. Dept. of Food Science & Technology and Carbohydrate Bioproduct Research Center; Sejong Univ.; Seoul 05006 Korea
2. Dept. of Food Science and Biotechnology; Sungkyunkwan Univ.; Suwon 16419 Korea
3. United States Dept. of Agriculture; Agricultural Research Service; Natl. Center for Agricultural Utilization Research; Functional Foods Research; Peoria 61604 IL U.S.A