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Paper | Regular issue | Vol 85, No. 6, 2012, pp.1377-1392
Published online, 11th May, 2012
DOI: 10.3987/COM-12-12458
New Triterpenoid Saponins from Stenocereus eruca

Kazutaka Kakuta, Takeshi Koike, Kaoru Kinoshita, Satoru Ito, Kiyotaka Koyama, and Kunio Takahashi*

*Meiji Pharmaceutical University, 2-522-1 Noshio, Kiyose, Tokyo 204-8588, Japan


Eight new triterpenoid saponins, stellatosides C (1), D (2), and E (3), stellatoside B methyl ester (4), stellatoside C methyl ester (5), thurberoside A (6), phillyriside A (7), and treleaseside A (8) were isolated from Stenocereus eruca A. C. Gibson & K. E. Horak (Machaerocereus eruca Br. & R). The structures of these compounds were elucidated on the basis of spectroscopic evidence and their physicochemical properties.