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Title: C28 sterols with a cyclopentane ring at C-22 and 26 from cape gooseberry (berries of Physalis pubeacens L.)
Authors: Xu Q; Liu Y; Feng Y; Li X; Yang S
Abstract: Two new C28 sterols with a cyclopentane ring at C-22 and 26, alkesterol A (1) and alkesterol B (2), along with [beta]-sitosterol (3), were isolated from the berries of Physalis pubeacens L. (cape gooseberry). The structures of the new compounds were established by HR-EI-MS, 1D and 2D (1H-1H COSY, HSQC, HMBC) NMR experiments. The known compound was identified by comparison of spectral data with published references. The two new compounds showed some cytotoxic activities by MTT assay.
Publication: Journal of Asian Natural Products Research, 2010, Vol 12, Issue 9, p752
ISSN: 1028-6020
Publication type: Academic Journal
DOI: 10.1080/10286020.2010.497657

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C28 sterols with a cyclopentane ring at C-22 and 26 from cape gooseberry (berries of Physalis pubeacens L.)