1. Institute of Human Nutrition and Food Science, Christian-Albrechts-University Kiel, Hermann-Rodewald-Strasse 6, 24118 Kiel, Germany, Niigata University of Pharmacy and Applied Life Sciences, Higashijima 265-1, Akihaku, Niigata 956-8603, Japan, Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi, Takeda 4-3-11, Kofu 400-8510, Japan, and College of Science and Engineering, Kanazawa University, Kakuma, Kanazawa 920-1192, Japan