1. Research Center for Food Safety, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
2. Department of Food and Life-Science, Takasaki University of Health and Welfare, Gumma, Japan
3. Laboratory for Core Technology Development, Kirin Beverage Co., Ltd, Yokohama, Japan
4. Graduate School of Biosphere Science, Hiroshima University, Hiroshima, Japan
5. Faculty of Pharmacy, Takasaki University of Health and Welfare, Gunma, Japan