1 Department of Pharmacognosy, Graduate School of Pharmaceutical Sciences, Nagoya City University, 3-1 Tanabe-dori, Mizuho-ku, Nagoya, 467-8603, Japan.
3 Department of Traditional Medicine, Toho University School of Medicine, 5-21-16, Omori Nishi, Ota-ku, Tokyo, 143-8540, Japan.
4 Department of Pharmacognosy, Graduate School of Pharmaceutical Sciences, Nagoya City University, 3-1 Tanabe-dori, Mizuho-ku, Nagoya, 467-8603, Japan. makino@phar.nagoya-cu.ac.jp.