Teramura E3)、Matsushima M3)、Fujiwara Shin2)、Kimura K2)、Tsuda S1)、Nagata J1)、Suzuki T1) 1)Internal Medicine, Tokai Daigaku Igakubu Fuzoku Hachioji Byoin 2)Food Microbiology and Function Research Laboratories, R&D Division, Meiji Co., Ltd 3)Tokai University School of medicine