Oa. Caliskan et al., CEPHALARIA SAPONIN-A, A NEW BIDESMOSIDIC TRITERPENE SAPONIN FROM CEPHALARIA-TRANSSYLVANICA, Journal of natural products, 57(7), 1994, pp. 1001-1003
A new bidesmosidic triterpene saponin, Cephalaria saponin A [2] was is
olated from the MeOH extract of the flowers of Cephalaria transsylvani
ca. Its structure was determined as a-D-xylopyranosyl]-[28-O-beta-D-gl
ucopyranosyl]}-3 beta,23-dihydroxy-12(13)-oleanen-28-oic acid.