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Effects of gamma radiation on the bioactivity of medicinal and aromatic plants: Mentha × piperita L., Thymus vulgaris L. and Aloysia citrodora Paláu as case studies

2018Journal article Open access
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dc.contributor.authorPereira, Eliana
dc.contributor.authorPimenta, Andreia I.
dc.contributor.authorBarros, Lillian
dc.contributor.authorCalhelha, Ricardo C.
dc.contributor.authorAntonio, Amilcar L.
dc.contributor.authorCabo Verde, Sandra
dc.contributor.authorFerreira, Isabel C.F.R.
dc.date.accessioned2018-02-19T10:00:00Z
dc.date.accessioned2019-02-04T17:04:22Z
dc.date.available2018-01-19T10:00:00Z
dc.date.available2019-02-04T17:04:22Z
dc.date.issued2018
dc.description.abstractIrradiation is a feasible and safe decontamination technique, being applied to several types of foods including edible and medicinal plants. The aim of this study was to evaluate the effects of different gamma radiation doses (1, 5 and 10 kGy) on the individual profile of phenolic compounds determined by HPLC-DAD-ESI/MS, and the bioactive potential (cytotoxic, virucidal, and antimicrobial activities) of Aloysia citrodora Paláu (lemon verbena), Mentha × piperita L. (peppermint) and Thymus vulgaris L. (thyme). The observed cytotoxic activity varied with the plant and with the applied dose, being higher in Thymus vulgaris irradiated with 10 kGy. The virucidal activity was also dependent on the radiation dose, but was preserved with irradiation treatment. Gamma rays had no effect on the antimicrobial activity of the studied plants. Otherwise, the effects of gamma radiation on the phenolic profile were heterogeneous, with an increase in some compounds and decrease in others, depending on the species and on the radiation dose.en_EN
dc.description.sponsorshipThe authors are grateful to the Foundation for Science and Technology (FCT, Portugal) and the FEDER under Programme PT2020 for financial support to CIMO (UID/AGR/00690/2013), C2TN (UID/Multi/04349/2013), L. Barros and R. C. Calhelha contracts. The authors are grateful to the FEDER-Interreg España-Portugal programme for financial support through the project 0377_Iberphenol_6_E.
dc.description.versioninfo:eu-repo/semantics/publishedVersionen_EN
dc.identifier.citationPereira, Eliana; Pimenta, Andreia I.; Barros, Lillian; Calhelha, Ricardo C.; Antonio, Amilcar L.; Cabo Verde, Sandra; Ferreira, Isabel C.F.R. (2018). Effects of gamma radiation on the bioactivity of medicinal and aromatic plants: Mentha × piperita L., Thymus vulgaris L. and Aloysia citrodora Paláu as case studies. Food and Function. ISSN 2042-6496. 9, p. 5150-5161en_EN
dc.identifier.doi10.1039/c8fo01558aen_EN
dc.identifier.issn2042-6496
dc.identifier.urihttp://hdl.handle.net/10198/18692
dc.language.isoeng
dc.peerreviewedyesen_EN
dc.titleEffects of gamma radiation on the bioactivity of medicinal and aromatic plants: Mentha × piperita L., Thymus vulgaris L. and Aloysia citrodora Paláu as case studiesen_EN
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FMulti%2F04349%2F2013/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FAGR%2F00690%2F2013/PT
oaire.fundingStream5876
oaire.fundingStream5876
person.familyNamePereira
person.familyNameBarros
person.familyNameCalhelha
person.familyNameAntonio
person.familyNameFerreira
person.givenNameEliana
person.givenNameLillian
person.givenNameRicardo C.
person.givenNameAmilcar L.
person.givenNameIsabel C.F.R.
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person.identifier.orcid0000-0003-4910-4882
person.identifier.ridQ-8017-2018
person.identifier.ridJ-3600-2013
person.identifier.ridJ-2172-2014
person.identifier.ridJ-1960-2014
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person.identifier.scopus-author-id55938912300
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person.identifier.scopus-author-id6507978333
person.identifier.scopus-author-id44560921900
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.rightsopenAccessen_EN
rcaap.typearticleen_EN
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