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Chemical Profiling and Evaluation of Antioxidant and Anti-Microbial Properties of Selected Commercial Essential Oils: A Comparative Study

2017Journal article Open access
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dc.contributor.authorLuís, Ângelo
dc.contributor.authorDuarte, Ana Paula
dc.contributor.authorPereira, L.
dc.contributor.authorDomingues, Fernanda
dc.date.accessioned2020-01-28T11:58:21Z
dc.date.available2020-01-28T11:58:21Z
dc.date.issued2017
dc.description.abstractBackground: The last decades have seen an increased awareness by the scientific community of the extent of resistance to conventional antibiotics, particularly with respect to the emerging multidrug-resistant pathogenic microbes. Additionally, natural antioxidants have received significant attention among food professionals and consumers because of their assumed safety and potential therapeutic value. The aim of this work was to assess the antioxidant activities of eight selected commercial essential oils (EOs), together with the evaluation of their antibacterial and anti-quorum sensing properties. Methods: The chemical profiling of the EOs was performed using gas chromatography-mass spectrometry (GC-MS) analysis. The antioxidant properties of the EOs were evaluated using the 2,2-diphenyl-1-picrylhydrazyl (DPPH) free radical scavenging assay and by β-carotene bleaching test. Disc diffusion assays were employed to evaluate the anti-bacterial and anti-quorum sensing activities of the EOs. Results: It was observed that EOs from three Eucalyptus species are rich in eucalyptol. Generally, linalool is abundant in EOs from four Lavandula species. The oil of Cymbopogon citratus is the one with the best capacity to scavenge the DPPH free radicals and presented great antibacterial activity. Conclusions: The geographical origins of the plant species are determinant factors in the EO composition and in the corresponding biological activities.pt_PT
dc.description.sponsorshipBank Santander/Totta with the reference BIPD/ICI-FC-BST-UBI 2016pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.3390/medicines4020036pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.6/8803
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.relationHealth Sciences Research Centre
dc.subjectEssential oilspt_PT
dc.subjectGas chromatography-mass spectrometry (GC-MS) analysispt_PT
dc.subjectAntioxidantpt_PT
dc.subjectAnti-bacterialpt_PT
dc.subjectAnti-quorum sensingpt_PT
dc.titleChemical Profiling and Evaluation of Antioxidant and Anti-Microbial Properties of Selected Commercial Essential Oils: A Comparative Studypt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleHealth Sciences Research Centre
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UID%2FMulti%2F00709%2F2013/PT
oaire.citation.issue2pt_PT
oaire.citation.startPage36pt_PT
oaire.citation.titleMedicinespt_PT
oaire.citation.volume4pt_PT
oaire.fundingStream6817 - DCRRNI ID
person.familyNameLuís
person.familyNameDuarte
person.familyNamePereira
person.familyNameDomingues
person.givenNameÂngelo Filipe Santos
person.givenNameAna Paula
person.givenNameLuísa
person.givenNameFernanda
person.identifier1255684
person.identifier.ciencia-id3D14-798B-65D3
person.identifier.ciencia-idBC15-D376-80FE
person.identifier.ciencia-id4F15-1868-D001
person.identifier.ciencia-id6514-0498-3E8F
person.identifier.orcid0000-0003-0712-6522
person.identifier.orcid0000-0003-3333-5977
person.identifier.orcid0000-0002-9068-4607
person.identifier.orcid0000-0002-9540-0853
person.identifier.ridB-5904-2009
person.identifier.ridN-7295-2013
person.identifier.scopus-author-id7102602131
person.identifier.scopus-author-id10839238300
person.identifier.scopus-author-id10139481400
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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relation.isAuthorOfPublication971779ac-7c22-4f69-8bdd-4e0ec442ef2d
relation.isAuthorOfPublication604e508e-9f4e-4950-b2a4-1b06c7192afe
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