1. Division of Hygienic Chemistry, Osaka Institute of Public Health, 1-3-69 Nakamichi, Higashinari-ku, Osaka 537-0025, Japan
2. Department of Food and Nutrition, Kyoto Women’s University, 35 Kitahiyoshi-cho, Imakumano, Higashiyama-ku, Kyoto 605-8501, Japan
3. Kyoto College of Nutritional & Medical Sciences, 18 Setogawa-cho, Sagatenryuji, Ukyo-ku, Kyoto 616-8376, Japan
4. Central Research Institute, Marudai Food Co., Ltd., 21-3 Midori-cho, Takatsuki-shi, Osaka 569-8577, Japan
5. Department of Food and Life Science, Azabu University, 1-17-71 Fuchinobe, Chuo-ku, Sagamihara, Kanagawa 252-5201, Japan