Sapogenin A and B were identified as 3-epirurcogenin ( 1 ) and 3-cpi-ncoruscogcnin ( 2 ) respectively.

• 甙元A和B经红外、质谱及核磁共振氢谱鉴定分别为已知的3-epiruscogenin(1)和3-epi-neoruscogenin(2)。