A new compound from Lygodium japonicum (Thunb.) Sw.

A new ecdysteroside was isolated from the roots of Lygodium japonicum (Thunb.) Sw. The structure was identified as 2β,3β,14α,20R,22R-pentahydroxy-24R-methyl-5β-cholest-7-en-6-one-3-O-β-D-glucopyranoside by spectral and chemical methods.