Background:

Timosaponin A1 is a coprostane type steroidal saponin isolated from Rhizoma Anemarrhenae.

[1]. KAWASAKI T, et al. SAPONINS OF TIMO (ANEMARRHENAE RHIZOMA). II. STRUCTURE OF TIMOSAPONIN A-III. Chem Pharm Bull (Tokyo). 1963 Oct;11:1221-4.