1. Department of Applied Chemistry, Faculty of Science and Engineering, Kinki University, Kowakae, Higashiosaka-shi, Osaka 577-8502, Japan; Nagaoka Perfumery Company, Ltd., Itsukaichi, Ibaraki-shi, Osaka 567-0005, Japan; and Osaka Prefectural Institute of Public Health, Nakamichi-1, Higashinari-ku, Osaka-shi, Osaka 537-0025, Japan