A new triterpenoid glycoside,3-β-O-β-D-glucopyranosyl presenegenin 28-O-α-L-arabipyranosyl(1→3)-β-D- xylopyranosyl(......

目的对土贝母Bolbostemma paniculatum的三萜皂苷成分进行分离和结构鉴定。方法采用反复柱色谱方法进行分离，通过理化性质和波谱分......