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Ellagitannin-rich bioactive extracts of Tuberaria lignosa: insights into the radiation-induced effects in the recovery of high added-value compounds

2017Journal article Open access
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dc.contributor.authorPinela, José
dc.contributor.authorPrieto Lage, Miguel A.
dc.contributor.authorAntonio, Amilcar L.
dc.contributor.authorCarvalho, Ana Maria
dc.contributor.authorOliveira, Beatriz
dc.contributor.authorBarros, Lillian
dc.contributor.authorFerreira, Isabel C.F.R.
dc.date.accessioned2018-01-25T10:00:00Z
dc.date.accessioned2018-01-30T15:00:19Z
dc.date.available2018-01-25T10:00:00Z
dc.date.available2018-01-30T15:00:19Z
dc.date.issued2017
dc.description.abstractEllagitannins are polyphenols responsible for a number of bioactivities and health-promoting effects. These industrially important molecules can be affected by post-harvest treatments and recovery processes, but little is known about the irradiation-induced effects on their integrity, bioactivity and extractability. Herein, the impact of gamma radiation on the production of ellagitannin-rich extracts was investigated using Tuberaria lignosa as a case study. These effects were compared with those induced in flavonoids and organic acids. The extracts were particularly rich in hydrophilic antioxidants (measured by in vitro assays). The recovery of different phytochemicals was favoured by longer extraction times. Ellagitannins (mainly punicalagin derivatives) were extracted better from samples irradiated at 5 kGy and were not significantly affected by the 10 kGy dose. However, the total contents of flavonoids and organic acids were decreased by the consequent increase in irradiation dose. Therefore, this study supports the use of gamma radiation for processing T. lignosa, aiming to obtain ellagitannin-rich bioactive extracts.pt_PT
dc.description.sponsorshipThe authors are grateful to the PRODER research project no. 53514 AROMAP for financial support of the work; to the Foundation for Science and Technology (FCT) of Portugal and FEDER under Programme PT2020 for financial support to CIMO (UID/AGR/00690/2013); to FCT/MEC for financial support to REQUIMTE/LAQV (UID/QUI/50006/2013 - POCI/01/ 0145/FERDER/007265); to FCT for the grants attributed to J. Pinela (SFRH/BD/92994/2013; funded by the European Social Fund and MEC through Programa Operacional Capital Humano (POCH)) and L. Barros (SFRH/BPD/107855/2015); to the Xunta de Galicia for financial support to M. A. Prieto
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationPinela, José; Prieto, M. A.; Antonio, Amilcar L.; Carvalho, Ana Maria; Oliveira, M. Beatriz P.P.; Barros, Lillian; Ferreira, Isabel C.F.R. (2017). Ellagitannin-rich bioactive extracts of Tuberaria lignosa: Insights into the radiation-induced effects in the recovery of high added-value compounds. Food and Function. ISSN 2042-6496. 8, p. 2485-2499en_EN
dc.identifier.doi10.1039/c7fo00500hpt_PT
dc.identifier.issn2042-6496
dc.identifier.urihttp://hdl.handle.net/10198/15287
dc.language.isoeng
dc.peerreviewedyespt_PT
dc.subjectBioactive extracts
dc.subjectTuberaria lignosa
dc.titleEllagitannin-rich bioactive extracts of Tuberaria lignosa: insights into the radiation-induced effects in the recovery of high added-value compoundsen_EN
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FAGR%2F00690%2F2013/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FQUI%2F50006%2F2013/PT
oaire.fundingStream5876
oaire.fundingStream5876
person.familyNamePinela
person.familyNamePrieto Lage
person.familyNameAntonio
person.familyNameCarvalho
person.familyNameBarros
person.familyNameFerreira
person.givenNameJosé
person.givenNameMiguel A.
person.givenNameAmilcar L.
person.givenNameAna Maria
person.givenNameLillian
person.givenNameIsabel C.F.R.
person.identifier107688
person.identifierID G-7399-2011
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person.identifier.ciencia-id1014-5259-DE86
person.identifier.ciencia-idD31A-35AF-E2A9
person.identifier.ciencia-id9616-35CB-D001
person.identifier.ciencia-id9418-CF95-9919
person.identifier.orcid0000-0001-7523-1637
person.identifier.orcid0000-0002-3513-0054
person.identifier.orcid0000-0001-8271-9964
person.identifier.orcid0000-0001-5508-5935
person.identifier.orcid0000-0002-9050-5189
person.identifier.orcid0000-0003-4910-4882
person.identifier.ridB-4466-2014
person.identifier.ridG-4516-2011
person.identifier.ridJ-1960-2014
person.identifier.ridJ-3600-2013
person.identifier.ridE-8500-2013
person.identifier.scopus-author-id54392272800
person.identifier.scopus-author-id35937495700
person.identifier.scopus-author-id44560921900
person.identifier.scopus-author-id20336503900
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.rightsopenAccessen_EN
rcaap.typearticlept_PT
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