参考文献

Tosa, Hideki; Iinuma, Munekazu; Murakami, Koh-Ichi; Ito, Tetsuro; Tanaka, Toshiyuki; Chelladurai, Veliah; Riswan, Soedarsono Phytochemistry, 1997 , vol. 45, # 1 p. 133 - 136