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Original Articles

Oleanane-type triterpenes from Ludwigia octovalvis

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Pages 67-72 | Received 29 Apr 2005, Accepted 26 Jul 2005, Published online: 28 Feb 2007
 

Abstract

Two new oleanane-type triterpenes, (23Z)-feruloylhederagenin (1) and (23E)-feruloylhederagenin (2), together with two known oleanane-type triterpenes, β-amyrin acetate and β-amyrin palmitate, have been isolated from the whole plant of Ludwigia octovalvis. The structures of 1 and 2 were characterised on the basis of spectral evidence.

Acknowledgements

This research was supported by grants from the National Science Council of China. We thank Ms. Shou-Ling Huang and Shu-Yun Sun for the NMR data acquisition and HREI-MS measurements in the Instrumentation Centre of the College of Science, National Taiwan University.

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