Anti-staphylococcal acylphloroglucinols from Hypericum beanii

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Po Shiu, Winnie Ka and Gibbons, Simon (2006) Anti-staphylococcal acylphloroglucinols from Hypericum beanii. Phytochemistry, 67 (23). pp. 2568-2572. ISSN 0031-9422

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Abstract

As part of an ongoing project to investigate the anti-staphylococcal properties of the Hypericum genus, an acylphloroglucinol, 1,5-dihydroxy-2-(2′-methylpropionyl)-3-methoxy-6-methylbenzene (1), was isolated from the dichloromethane extract of the aerial parts of H. beanii (Guttiferae), together with a minor related acylphloroglucinol 1,5-dihydroxy-2-(2′-methylbutanoyl)-3-methoxy-6-methylbenzene (2) as a mixture in a 5:2 ratio. The known compounds 1,7-dihydroxyxanthone (3), stigmasterol, catechin and shikimic acid were also isolated from this plant. The structures of the compounds were characterized by extensive 1- and 2D NMR spectroscopy and mass spectrometry. The minimum inhibitory concentration (MIC) values the acylphloroglucinol mixture and (3) against a panel of multidrug-resistant strains of Staphylococcus aureus ranged from 16–32 μg/ml to 128–256 μg/ml, respectively.

Item Type:	Article
Faculty \ School:	Faculty of Science > School of Pharmacy
Related URLs:	https://linkinghub.elsevier.com/retrieve...
Depositing User:	LivePure Connector
Date Deposited:	27 Jun 2020 00:02
Last Modified:	22 Oct 2022 06:23
URI:	https://ueaeprints.uea.ac.uk/id/eprint/75801
DOI:	10.1016/j.phytochem.2006.09.037

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