Electroanalysis of gallic and ellagic acids at a boron-doped diamond electrode coupled with high-performance liquid chromatography

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dc.contributor.authorHayes, Phyllis E.
dc.contributor.authorGlennon, Jeremy D.
dc.contributor.authorLuong, John H. T.
dc.contributor.funderScience Foundation Irelanden
dc.contributor.funderEnterprise Irelanden
dc.contributor.funderIrish Research Councilen
dc.date.accessioned2021-08-30T13:55:29Z
dc.date.available2021-08-30T13:55:29Z
dc.date.issued2020-06-09
dc.date.updated2021-08-30T13:41:49Z
dc.description.abstractElectrochemistry of gallic acid (GA) and ellagic acid (EA) was investigated by cyclic voltammetry (CV) using a bare boron-doped diamond (BDD) electrode. CVs indicate that the electro-oxidation of both GA and EA are quasi-reversible processes. High-performance liquid chromatography (HPLC) coupled with a BDD electrode poised at+1.4 V offers the limit of detection (LOD, S/N=3) of 60 and 200 nM for GA and EA, respectively. The optimized method was then applied to the detection of both acids in Islay, Highland and Scotch whiskeys, with the highest concentrations found in a 14-year-old Highland whiskey.en
dc.description.sponsorshipEnterprise Ireland (CF-2017-0759-P); Irish Research Council (IRC/EPSPG/2015/113)en
dc.description.statusPeer revieweden
dc.description.versionAccepted Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationHayes, P. E., Glennon, J. D. and Luong, J. H. T. (2020) 'Electroanalysis of Gallic and Ellagic Acids at a Boron-doped Diamond Electrode Coupled with High-performance Liquid Chromatography', Electroanalysis, 32(9), pp. 2027-2035. doi: 10.1002/elan.202060021en
dc.identifier.doi10.1002/elan.202060021en
dc.identifier.endpage2035en
dc.identifier.issn1040-0397
dc.identifier.issued9en
dc.identifier.journaltitleElectroanalysisen
dc.identifier.startpage2027en
dc.identifier.urihttps://hdl.handle.net/10468/11810
dc.identifier.volume32en
dc.language.isoenen
dc.publisherWileyen
dc.relation.projectinfo:eu-repo/grantAgreement/SFI/SFI Strategic Research Cluster/08/SRC/B1412/IE/SRC ISSC: Irish Separation Science Cluster-Comprehensive multi-dimensional and multi-modal separation science for complex biological systems/en
dc.relation.urihttps://analyticalsciencejournals.onlinelibrary.wiley.com/doi/epdf/10.1002/elan.202060021
dc.rights© 2020 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim. This is the peer reviewed version of the following article: P. E. Hayes, J. D. Glennon, J. H. T. Luong, ‘Electroanalysis of Gallic and Ellagic Acids at a Boron-doped Diamond Electrode Coupled with High-performance Liquid Chromatography’, Electroanalysis 2020, 32, 2027, which has been published in final form at https://doi.org/10.1002/elan.202060021 This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.en
dc.subjectBoron-doped diamond electrodeen
dc.subjectGallic and ellagic acidsen
dc.subjectHigh-performance liquid chromatographyen
dc.subjectWhiskeyen
dc.subjectAntioxidantsen
dc.subjectOxidationen
dc.titleElectroanalysis of gallic and ellagic acids at a boron-doped diamond electrode coupled with high-performance liquid chromatographyen
dc.typeArticle (peer-reviewed)en
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