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Evaluation of the antimicrobial and antioxidant activities of essential oils, extracts and their main components from oregano from Madeira Island, Portugal

2012Journal article Open access
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dc.contributor.authorCastilho, Paula C.
dc.contributor.authorSavluchinske-Feio, Sonia
dc.contributor.authorWeinhold, Tatiana S.
dc.contributor.authorGouveia, Sandra C.
dc.date.accessioned2021-03-31T13:43:17Z
dc.date.available2021-03-31T13:43:17Z
dc.date.issued2012
dc.description.abstractOriganum vulgare subsp. virens growing wild in Madeira Island, Portugal was studied within the ongoing investigations on polymorphic Lamiaceae species. The antimicrobial activity of the essential oils and n-hexane extracts of origanum was determined against 10 strains of bacteria and yeasts, found as human pathogenic or food spoilage microorganisms. The essential oils, n-hexane extracts and isolated compounds showed moderately activity, compared to standard antibiotics, inhibiting all tested bacteria except Pseudomonas aeruginosa. The most sensitive microorganism was Mycobacterium smegmatis, reaching MIC ¼ 25 mg mL 1 . The results obtained suggest a potential application of these oils in pre venting the human pathogenic and food spoilage due to microorganism’s growth. The essential oils and n-hexane extracts have greater RSC than polar extracts, probably due to the high contents in thymol, which demonstrated the highest activity in the DPPH assay. All studied origanum samples showed a large content in non-esterified 1-hexacosanol, C26H54O, accumulated mainly in bracts and flowerspt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationCastilho, P. C., Savluchinske-Feio, S., Weinhold, T. S., & Gouveia, S. C. (2012). Evaluation of the antimicrobial and antioxidant activities of essential oils, extracts and their main components from oregano from Madeira Island, Portugal. Food Control, 23(2), 552-558.pt_PT
dc.identifier.doi10.1016/j.foodcont.2011.08.031pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.13/3234
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherEuropean Federation of Food Science and Technologypt_PT
dc.relationStrategic Project - UI 674 - 2011-2012
dc.relationISOLAMENTO E CARACTERIZAÇÃO DE PRINCÍPIOS ACTIVOS DE PLANTAS PARA O COMBATE À TUBERCULOSE
dc.relationAVALIAÇÃO FITOQUÍMICA ANTIMICROBIANA E INSECTICIDA DE PLANTAS AROMÁTICAS DA FAMÍLIA DAS LABIATAE
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectOriganumpt_PT
dc.subjectExtractspt_PT
dc.subjectEssential oilspt_PT
dc.subjectAntimicrobialpt_PT
dc.subjectAntioxidantpt_PT
dc.subject.pt_PT
dc.subjectFaculdade de Ciências Exatas e da Engenhariapt_PT
dc.titleEvaluation of the antimicrobial and antioxidant activities of essential oils, extracts and their main components from oregano from Madeira Island, Portugalpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleStrategic Project - UI 674 - 2011-2012
oaire.awardTitleISOLAMENTO E CARACTERIZAÇÃO DE PRINCÍPIOS ACTIVOS DE PLANTAS PARA O COMBATE À TUBERCULOSE
oaire.awardTitleAVALIAÇÃO FITOQUÍMICA ANTIMICROBIANA E INSECTICIDA DE PLANTAS AROMÁTICAS DA FAMÍLIA DAS LABIATAE
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/PEst-OE%2FQUI%2FUI0674%2F2011/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBD%2F24227%2F2005/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBD%2F48148%2F2008/PT
oaire.citation.endPage558pt_PT
oaire.citation.issue2pt_PT
oaire.citation.startPage552pt_PT
oaire.citation.titleFood Controlpt_PT
oaire.citation.volume23pt_PT
oaire.fundingStream6817 - DCRRNI ID
person.familyNameCastilho
person.familyNameGouveia-Figueira
person.givenNamePaula C
person.givenNameSandra
person.identifierA-4412-2013
person.identifier.ciencia-id6D15-8C69-A2E0
person.identifier.orcid0000-0002-8303-4286
person.identifier.orcid0000-0002-8116-2794
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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