参考文献

Matsuno, Takao; Tani, Yasuko; Maoka, Takashi; Matsuo, Kenji; Komori, Tadaaki Phytochemistry (Elsevier), 1986, vol. 25, # 12 p. 2837 - 2840 doi: 10.1016/S0031-9422(00)83753-X