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. 2003 Feb;62(4):537-41.
doi: 10.1016/s0031-9422(02)00538-1.

A lupane triterpene from frankincense (Boswellia sp., Burseraceae)

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A lupane triterpene from frankincense (Boswellia sp., Burseraceae)

Gérald Culioli et al. Phytochemistry. 2003 Feb.

Abstract

A new lupane-type triterpene, 3alpha-hydroxy-lup-20(29)-en-24-oic acid, was isolated from the methanolic extract of "Erytrean-type" resin of commercial frankincense together with the known 3alpha-hydroxy-olean-12-en-24-oic acid (alpha-boswellic acid) and 3alpha-hydroxy-urs-12-en-24-oic acid (beta-boswellic acid). Their structures were characterized on the basis of chemical and spectral evidence including two dimensional NMR experiments and mass spectrometric techniques.

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