[1] Otsuma Womens Univ, Fac Home Econ, Dept Food Sci, Chiyoda Ku, Tokyo 1028357, Japan
[2] Otsuka Pharmaceut Co Ltd, Otsu Nutraceut Res Inst, Nutraceut Div, Otsu, Shiga 5200002, Japan
[3] Otsuka Pharmaceut Co Ltd, Tokushima Res Inst, Div Pharmaceut, Tokushima 7710192, Japan