6Yasuaki Hiral,shuichi Sanada,Yoshiteru Ida,et al.Studies on the constituents of palmae plants.Ⅱ.The constituents of Rhapis exelsa Henry and R.humilis.Chem.pharm.Bull,1984,32:4003.
7Kim S,Chung K,Son K,et al.Steroidal saponins from the rhizomes of Smilax China.Saengyak Hakhoechi,1989,20(2):76-82.
8Sashida Y,Kubo S,Yoshihiro M,et al.Steroidal Saponins from Smilax riparia and S.china.Phytochemistry,1992,31(7):2439-2443.
