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Decoction, infusion and hydroalcoholic extract of cultivated thyme: Antioxidant and antibacterial activities, and phenolic characterization

2015Journal article Open access
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dc.contributor.authorMartins, Natália
dc.contributor.authorBarros, Lillian
dc.contributor.authorSantos-Buelga, Celestino
dc.contributor.authorSilva, Sónia
dc.contributor.authorHenriques, Mariana
dc.contributor.authorFerreira, Isabel C.F.R.
dc.date.accessioned2015-08-04T15:22:22Z
dc.date.available2015-08-04T15:22:22Z
dc.date.issued2015
dc.description.abstractBioactivity of thyme has been described, but mostly related to its essential oils, while studies with aqueous extracts are scarce. Herein, the antioxidant and antibacterial properties of decoction, infusion and hydroalcoholic extract, as also their phenolic compounds, were evaluated and compared. Decoction showed the highest concentration of phenolic compounds (either phenolic acids or flavonoids), followed by infusion and hydroalcoholic extract. In general, the samples were effective against gram-positive (Staphylococcus aureus and Staphylococcus epidermidis) and gram-negative (Escherichia coli, Klebsiella spp., Pseudomonas aeruginosa, Enterococcus aerogenes, Proteus vulgaris and Enterobacter sakazakii) bacteria, with decoction presenting the most pronounced effect. This sample also displayed the highest radical scavenging activity and reducing power. Data obtained support the idea that compounds with strong antioxidant and antibacterial activities are also water-soluble. Furthermore, the use of thyme infusion and decoction, by both internal and external use, at recommended doses, is safe and no adverse reactions have been described.por
dc.description.sponsorshipThe authors are grateful to Foundation for Science and Technology (FCT, Portugal) for N. Martins grant (SFRH/BD/87658/2012), L. Barros researcher contract under “Programa Compromisso com Ciência – 2008” and financial support to the research center CIMO (strategic project PEst-OE/AGR/UI0690/2011).por
dc.identifier.citationMartins, Natália; Barros, Lillian; Santos-Buelga, Celestino; Silva, Sónia; Henriques, Mariana; Ferreira, Isabel C.F.R. (2015). Decoction, infusion and hydroalcoholic extract of cultivated thyme: antioxidant and antibacterial activities, and phenolic characterization. Food Chemistry. ISSN 0308-8146. 167, p. 131-137por
dc.identifier.doi10.1016/j.foodchem.2014.06.094
dc.identifier.issn0308-8146
dc.identifier.urihttp://hdl.handle.net/10198/12038
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherElsevierpor
dc.relationPLANTAS MEDICINAIS A UTILIZAR EM FITOTERAPIA COMO ANTI-FÚNGICOS: EFEITO DE COMPOSTOS FENÓLICOS NO CRESCIMENTO DE ESPÉCIES DE CANDIDA EM SUSPENSÃO E EM BIOFILMES
dc.relationStrategic Project - UI 690 - 2011-2012
dc.subjectThymus vulgaris L.por
dc.subjectDecoction/infusionpor
dc.subjectHydroalcoholic extractpor
dc.subjectPhenolic compoundspor
dc.subjectAntioxidant/antibacterial activitypor
dc.titleDecoction, infusion and hydroalcoholic extract of cultivated thyme: Antioxidant and antibacterial activities, and phenolic characterizationpor
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitlePLANTAS MEDICINAIS A UTILIZAR EM FITOTERAPIA COMO ANTI-FÚNGICOS: EFEITO DE COMPOSTOS FENÓLICOS NO CRESCIMENTO DE ESPÉCIES DE CANDIDA EM SUSPENSÃO E EM BIOFILMES
oaire.awardTitleStrategic Project - UI 690 - 2011-2012
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBD%2F87658%2F2012/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/PEst-OE%2FAGR%2FUI0690%2F2011/PT
oaire.citation.endPage137por
oaire.citation.startPage131por
oaire.citation.titleFood Chemistrypor
oaire.citation.volume167por
oaire.fundingStream6817 - DCRRNI ID
person.familyNameBarros
person.familyNameFerreira
person.givenNameLillian
person.givenNameIsabel C.F.R.
person.identifier469085
person.identifier144781
person.identifier.ciencia-id9616-35CB-D001
person.identifier.ciencia-id9418-CF95-9919
person.identifier.orcid0000-0002-9050-5189
person.identifier.orcid0000-0003-4910-4882
person.identifier.ridJ-3600-2013
person.identifier.ridE-8500-2013
person.identifier.scopus-author-id35236343600
person.identifier.scopus-author-id36868826600
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
rcaap.rightsopenAccesspor
rcaap.typearticlepor
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relation.isAuthorOfPublicationbd0d1537-2e03-41fb-b27a-140af9c35db8
relation.isAuthorOfPublication.latestForDiscoverybd0d1537-2e03-41fb-b27a-140af9c35db8
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