1. Research Center for New Bio-Materials in Agriculture and Department of Food Science and Technology, School of Agricultural Biotechnology, Seoul National University, Suwon 441-744, Korea; Department of Food and Nutrition,Yonsei University, Seoul 120-749, Korea; Department of Food Science and Technology, Kyunghee University, Suwon 449-701, Korea; Research and Development Center, Tong Yang Confectionery Co., Seoul 140-715, Korea; Department of Food and Nutrition, Inha University, Incheon 402-751, Korea; and...