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Identification of methyl salicylate as the principal volatile component in the methanol extract of root bark ofSecuridaca longepedunculata Fers

Identification of methyl salicylate as the principal volatile component in the methanol extract of root bark ofSecuridaca longepedunculata Fers

Jayasekara, T.K., Stevenson, Philip, Belmain, Steven ORCID: 0000-0002-5590-7545, Farman, Dudley and Hall, David (2002) Identification of methyl salicylate as the principal volatile component in the methanol extract of root bark ofSecuridaca longepedunculata Fers. Journal of Mass Spectrometry, 37 (6). pp. 577-580. ISSN 1076-5174 (Print), 1096-9888 (Online) (doi:10.1002/jms.314)

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Abstract

Securidaca longepedunculata Fers (Polygalaceae) is commonly used as a medicine in many parts of Africa and shows promise for protecting stored grain against insect pests. Analysis of a methanol extract of the root bark by gas chromatography linked to mass spectrometry (GC/MS) showed a major component accounting for over 90% of the volatile material. This was identified as methyl 2-hydroxybenzoate (methyl salicylate) by comparison of the GC retention times and mass spectrum with those of synthetic standards. This conflicts with an earlier report that the major component is methyl 4-hydroxybenzoate. Two minor components had mass spectra characteristic of 2-hydroxybenzoate esters and were identified as methyl 2-hydroxy-6-methoxybenzoate and its benzyl analogue, again conflicting with an earlier report.

Item Type: Article
Uncontrolled Keywords: Securidaca longepedunculata, Polygalaceae, Methyl 2-hydroxybenzoate, Methyl salicylate, Methyl 3-hydroxybenzoate, Methyl 4-hydroxybenzoate, Methyl 2-hydroxy-6-methoxybenzoate, Benzyl 2-hydroxy-6-methoxybenzoate, Gas chromatography, mass spectrometry
Faculty / Department / Research Group: Faculty of Engineering & Science > Natural Resources Institute
Faculty of Engineering & Science > Natural Resources Institute > Agriculture, Health & Environment Department
Last Modified: 29 Apr 2016 21:25
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
URI: http://gala.gre.ac.uk/id/eprint/12556

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