1. Japan International Research Center for Agricultural Sciences (JIRCAS), 1-2 Owashi, Tsukuba, Ibaraki 305-8686, Japan, Institute of Food Research and Product Development, Kasetsart University, Chatuchak, Bangkok 10903, Thailand, and National Food Research Institute, 2-1-2 Kan-non dai, Tsukuba, Ibaraki 305-8642, Japan