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Natural Product Research
Formerly Natural Product Letters
Volume 23, 2009 - Issue 7
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Original Articles

A new oleanene triterpene from Gladiolus segetum Ker-Gawl

M.A. El-Shanawany Faculty of Pharmacy, Department of Pharmacognosy, Assiut University, Assiut, Egypt
,
H.A. Hassanean Faculty of Pharmacy, Department of Pharmacognosy, Assiut University, Assiut, Egypt
,
M.H. Mohamed Faculty of Pharmacy, Department of Pharmacognosy, Al-Azhar University, Assiut, Egypt
&
A.M. Nafady Faculty of Pharmacy, Department of Pharmacognosy, Al-Azhar University, Assiut, EgyptCorrespondence[email protected]
Pages 613-616 | Received 15 Jun 2007, Accepted 08 Apr 2008, Published online: 29 Oct 2009
 
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Abstract

A new pentacyclic oleanene triterpene, 2β, 3β, 16α, 28-tetrahydroxy-olean-12-ene-23-oic acid (1), as well as the known pentacyclic triterpene medicagenic acid (2), have been isolated by different chromatographic techniques from the acid hydrolysate of the saponin fraction of Gladiolus segetum. The identification of these compounds was established by different methods of physical, chemical and spectral evidence.

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