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Metabolites and biological activities of Thymus zygis, Thymus pulegioides, and Thymus fragrantissimus grown under organic cultivation

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dc.contributor.authorAfonso, Andrea Luísa Fernandes
dc.contributor.authorPereira, Olívia R.
dc.contributor.authorVálega, Mónica
dc.contributor.authorSilva, Artur
dc.contributor.authorCardoso, Susana M.
dc.date.accessioned2018-06-25T08:58:55Z
dc.date.available2018-06-25T08:58:55Z
dc.date.issued2018
dc.description.abstractThymus plants are marketed for diverse usages because of their pleasant odor, as well as high nutritional value and wealth of health-promoting phytochemicals. In this study, Thymuszygis, Thymuspulegioides, and Thymusfragrantissimus grown under organic cultivation regime were characterized regarding nutrients and phenolic compounds. In addition, the antioxidant and antibacterial properties of these species were screened. The plants were particularly notable for their high K/Na ratio, polyunsaturated fatty acids content and low omega-6/omega-3 fatty acids ratios, which are valuable features of a healthy diet. Caffeic acid and/or its derivatives, mainly rosmarinic acid and caffeoyl rosmarinic acid, represented the majority of the phenolic constituents of these plants, although they were less representative in T. pulegioides, which in turn was the richest in flavones. The latter species also exhibited the highest antioxidant capacity (DPPH● EC50 of 9.50 ± 1.98 μg/mL and reducing power EC50 of 30.73 ± 1.48 μg/mL), while T. zygis was the most active towards Gram-positive and Gram-negative bacteria. Overall, the results suggest that the three thyme plants grown in organic farming are endowed with valuable metabolites that give them high commercial value for applications in different industries.pt_PT
dc.description.sponsorshipThe authors wish to acknowledge the Foundation for Science and Technology (FCT), the European Union, the National Strategic Reference Framework (QREN), the European Regional Development Fund (FEDER), and Operational Programme Competitiveness Factors (COMPETE), for funding the Organic Chemistry Research Unit (QOPNA) (FCT UID/QUI/00062/2013) and Mountain Research Center (CIMO) (UID/AGR/00690/2013), through national funds and where applicable co-financed by FEDER, within the PT2020 Partnership Agreement. Susana Cardoso wishes to thank the research contract under the project AgroForWealth: Biorefining of agricultural and forest by-products and wastes: integrated strategic for valorisation of resources towards society wealth and sustainability (CENTRO-01-0145-FEDER-000001), funded by Centro2020, through FEDER and PT2020.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationAfonso, Andrea F.; Pereira, Olívia R.; Válega, Mónica; Silva, Artur M.S.; Cardoso, Susana M. (2018). Metabolites and biological activities of Thymus zygis, Thymus pulegioides, and Thymus fragrantissimus grown under organic cultivation. Molecules. ISSN 1420-3049. 23:7, p. 1-15pt_PT
dc.identifier.doi10.3390/molecules23071514pt_PT
dc.identifier.issn1420-3049
dc.identifier.urihttp://hdl.handle.net/10198/17753
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherMDPIpt_PT
dc.relationOrganic Chemistry, Natural Products and Food Stuffs
dc.relationMountain Research Centre
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectThymuspt_PT
dc.subjectThymept_PT
dc.subjectPhenolic compoundspt_PT
dc.subjectNutrientspt_PT
dc.subjectAntioxidantpt_PT
dc.subjectAntibacterial activitypt_PT
dc.titleMetabolites and biological activities of Thymus zygis, Thymus pulegioides, and Thymus fragrantissimus grown under organic cultivationpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardNumberUID/QUI/00062/2013
oaire.awardNumberUID/AGR/00690/2013
oaire.awardTitleOrganic Chemistry, Natural Products and Food Stuffs
oaire.awardTitleMountain Research Centre
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FQUI%2F00062%2F2013/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UID%2FAGR%2F00690%2F2013/PT
oaire.citation.conferencePlaceBasel, Switzerlandpt_PT
oaire.citation.endPage15pt_PT
oaire.citation.issue7pt_PT
oaire.citation.startPage1pt_PT
oaire.citation.titleMoleculespt_PT
oaire.citation.volume23pt_PT
oaire.fundingStream5876
oaire.fundingStream6817 - DCRRNI ID
person.familyNameAfonso
person.familyNamePereira
person.givenNameAndrea Luísa Fernandes
person.givenNameOlívia R.
person.identifier145216
person.identifier.ciencia-id9C1D-41E7-9BBF
person.identifier.ciencia-idB312-AF21-D2FA
person.identifier.orcid0000-0002-8858-1617
person.identifier.orcid0000-0002-6275-3134
person.identifier.ridH-1049-2014
person.identifier.scopus-author-id36766901000
person.identifier.scopus-author-id52264387000
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.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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relation.isAuthorOfPublicatione8fdab9a-3ad6-47e6-b90c-7a37aabcb453
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