Isolation of Mangiferin fromBombax malabaricumand Structure Revision of Shamimin
- 1 November 2003
- journal article
- letter
- Published by Georg Thieme Verlag KG in Planta Medica
- Vol. 69 (11) , 1068-1070
- https://doi.org/10.1055/s-2003-45161
Abstract
Repeated column chromatography of the n-BuOH fraction of the 70 % EtOH of the dried leaves of Bombax malabaricum led to the isolation of mangiferin, a xanthone. Mangiferin was identified by UV, 1H- and 13C-NMR spectroscopy and electrospray mass spectrometry. It was found to be identical to shamimin, a compound for which originally a flavonol structure was proposed, and the structure of which has to be revised.Keywords
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