Two new oleanane triterpenoid saponins from Elsholtzia bodinieri

Two new oleanane-type triterpenoid saponins, bodiniosides C (1) and D (2), were isolated from the aerial parts of Elsholtzia bodinieri. Their structures were determined by one- and two-dimensional NMR techniques, including HMQC, HMBC and HMQC-TOCSY experiments, as well as acid hydrolysis and GC analysis.

Two new oleanane-type triterpenoid saponins, bodiniosides C (1) and D (2), were isolated from the aerial parts of Elsholtzia bodinieri. Their structures were determined by one- and two-dimensional NMR techniques, including HMQC, HMBC and HMQC-TOCSY experiments, as well as acid hydrolysis and GC analysis.Highlights► Two new oleanane-type triterpenoid saponins were isolated from the aerial parts of Elsholtzia bodinieri. ► The structures of the new saponins were determined by extensive spectroscopic techniques, as well as acid hydrolysis and GC analysis. ► The saponins containing an O-β-d-xylopyranosyl group at the C-3 hydroxy group of the aglycone of 3β,23-dihydroxyolean-12-en-28-oic acid (hederagenin), were first isolated from natural sources.