摘要

Yamnogenin II (1), a new steroidal saponin with a unique aglycone moiety, and (25S)-spirostan-5-ene-3 beta-ol-3-O-alpha-L-rhamnopyranosyl-(1,2)-[alpha-L-rhamnopyranosyl-(1,4)]-beta-D-glucopyranoside (2), were isolated from the dried stems of Asparagus officinalis L The structure of 1 was assessed by spectroscopial analysis