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Solvent-Free Microwave Extraction of Thymus mastichina Essential Oil: Influence on Their Chemical Composition and on the Antioxidant and Antimicrobial Activities

2021-07-22Journal article Open access
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dc.contributor.authorAraujo, André R.T.S.
dc.contributor.authorPérino, Sandrine
dc.contributor.authorFernandez, Xavier
dc.contributor.authorCunha, Cassandra
dc.contributor.authorRodrigues, Márcio
dc.contributor.authorRibeiro, Maximiano P.
dc.contributor.authorJordao, Luisa
dc.contributor.authorSilva, Lúcia A.
dc.contributor.authorRodilla, Jesus
dc.contributor.authorCoutinho, Paula
dc.contributor.authorChemat, Farid
dc.date.accessioned2022-01-27T15:44:41Z
dc.date.available2022-01-27T15:44:41Z
dc.date.issued2021-07-22
dc.descriptionThis article belongs to the Special Issue Antiradical, Chemopreventive and Antimicrobial Analysis of Bioactive Substances
dc.description.abstractSolvent-free microwave extraction (SFME) is a combination of microwave heating and dry distillation performed at atmospheric pressure without the addition of water or organic solvents that has been proposed as a green method for the extraction of essential oils from aromatic and medicinal herbs. In this work, SFME and the conventional techniques of steam distillation (SD) and hydrodistillation (HD) were compared with respect to the extraction and antioxidant and antimicrobial activities of Thymus mastichina essential oil. The main constituent of essential oils obtained using different methods was 1,8-cineole (eucalyptol). The results showed that the essential oils extracted by means of SFME in 30 min were quantitatively (yield) and qualitatively (aromatic profile) similar to those obtained using conventional HD over 120 min. In addition, SFME generates less waste and less solvent, consumes less energy, and provides a higher yield for a shorter extraction time, which is advantageous for the extraction of the T. mastichina essential oil compared to SD. The antioxidant and antimicrobial activities of the T. mastichina essential oil obtained from either SFME or conventional extraction methods (SD or HD) showed a similar pattern. Large-scale experiments using this SFME procedure showed a potential industrial application.pt_PT
dc.description.sponsorshipThe authors acknowledge the Fundação para a Ciência e Tecnologia (FCT), Fundo Europeu de Desenvolvimento Regional (FEDER), and COMPETE 2020 for their financial support under theresearch project “The development of dermo-biotechnological applications using natural resourcesin the Beira and Serra da Estrela regions—DermoBio”, ref. SAICT-POL/23925/2016, presentedin the Notice for the Presentation of Applications No. 02/SAICT/2016—Scientific Research andTechnological Development Projects (IC & DT) in Co-Promotion (PDF) Solvent-Free Microwave Extraction of Thymus mastichina Essential Oil: Influence on Their Chemical Composition and on the Antioxidant and Antimicrobial Activities.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationPharmaceuticals (Basel). 2021 Jul 22;14(8):709. doi: 10.3390/ph14080709pt_PT
dc.identifier.doi10.3390/ph14080709pt_PT
dc.identifier.issn1424-8247
dc.identifier.urihttp://hdl.handle.net/10400.18/7879
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherMDPIpt_PT
dc.relation.publisherversionhttps://www.mdpi.com/1424-8247/14/8/709pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectEssential Oilpt_PT
dc.subjectGreen Extractionpt_PT
dc.subjectLarge Scalept_PT
dc.subjectSolvent-free Microwave Extractionpt_PT
dc.subjectThymus mastichinapt_PT
dc.titleSolvent-Free Microwave Extraction of Thymus mastichina Essential Oil: Influence on Their Chemical Composition and on the Antioxidant and Antimicrobial Activitiespt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/9876 - Politécnicos/SAICT-POL%2F23925%2F2016/PT
oaire.citation.issue8pt_PT
oaire.citation.startPage709pt_PT
oaire.citation.titlePharmaceuticalspt_PT
oaire.citation.volume14pt_PT
oaire.fundingStream9876 - Politécnicos
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.embargofctAcesso de acordo com política editorial da revista.pt_PT
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isProjectOfPublicationfcb25d9e-08bb-4c6a-bce4-c5e85adeaba1
relation.isProjectOfPublication.latestForDiscoveryfcb25d9e-08bb-4c6a-bce4-c5e85adeaba1

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