1. Laboratory of Pharmacognosy, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu Gifu 501-1196, Japan, Gifu International Institute of Biotechnology, 1 Naka-Fudogaoka, Kakamigahara, Gifu 504-0838, Japan, and Tokai Gakuin University, 5-68 Naka-Kirinocho, Kakamigahara, Gifu 504-8511, Japan