1. Faculty of Applied Life Sciences, Niigata University of Pharmacy and Applied Life Sciences, 265-1 Higashijima, Niitsu 956-8603, Japan; Department of Engineering MS Laboratory, Tokyo University of Pharmacy and Life Sciences, 1432-1 Hachio-ji 192-0392, Japan; Bioscience Laboratories, Meiji Seika Kaisha Ltd., 5-3-1 Chiyoda, Sakado-shi, Saitama 350-0289, Japan; and Mayp Company Ltd., 4-4-12 Ohmorikita, Ota-ku 143-0016, Japan