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Original Articles

A new cucurbitacin from Picria fel-terrae

Note

, , , &
Pages 367-371 | Received 12 Jul 2004, Accepted 30 Sep 2004, Published online: 04 Sep 2006
 

Abstract

A new cucurbitacin, picfeltarraenone II (1) as well as four known cucurbitacins, picfeltarraegenin I (2), picfeltarraenin IA (3), picfeltarraenin IB (4), and picfeltarraenin IV (5), have been isolated and characterized from the whole plant of Picria fel-terrae. The purity of picfeltarraenin IA has been determined by TLC and HPLC.

Acknowledgements

The authors are grateful to Professor Sun Handong, member of the Chinese Academy of Sciences, Dr Xuemei Niu and Quanbin Han (Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China) for their help on this paper.

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