1. Japan International Research Center for Agricultural Sciences (JIRCAS), Ibaraki 305-8686, Japan
2. Faculty of Agriculture, National University of Laos, Vientiane, Lao PDR
3. Institute of Food Research and Product Development, Kasetsart University, Bangkok 10900, Thailand
4. National Agriculture and Food Research Organization, National Food Research Institute, Ibaraki 305-8642, Japan