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Is gamma radiation suitable to preserve phenolic compounds and to decontaminate mycotoxins in aromatic plants? A case-study with Aloysia citrodora Paláu

2017Journal article Open access
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dc.contributor.authorPereira, Eliana
dc.contributor.authorBarros, Lillian
dc.contributor.authorAntonio, Amilcar L.
dc.contributor.authorCabo Verde, Sandra
dc.contributor.authorSantos-Buelga, Celestino
dc.contributor.authorFerreira, Isabel C.F.R.
dc.contributor.authorRodrigues, Paula
dc.date.accessioned2018-01-25T10:00:00Z
dc.date.accessioned2018-01-30T15:00:34Z
dc.date.available2018-01-25T10:00:00Z
dc.date.available2018-01-30T15:00:34Z
dc.date.issued2017
dc.description.abstractThis study aimed to determine the effect of gamma radiation on the preservation of phenolic compounds and on decontamination of dry herbs in terms of ochratoxin A (OTA) and aflatoxin B1 (AFB1), using Aloysia citrodora Paláu as a case study. For this purpose, artificially contaminated dry leaves were submitted to gamma radiation at different doses (1, 5, and 10 kGy; at dose rate of 1.7 kGy/h). Phenolic compounds were analysed by HPLC-DAD-ESI/MS and mycotoxin levels were determined by HPLC-fluorescence. Eleven phenolic compounds were identified in the samples and despite the apparent degradation of some compounds (namely verbasoside), 1 and 10 kGy doses point to a preservation of the majority of the compounds. The mean mycotoxin reduction varied between 5.3% and 9.6% for OTA and from 4.9% to 5.2% for AFB1. It was not observed a significant effect of the irradiation treatments on mycotoxin levels, and a slight degradation of the phenolic compounds in the irradiated samples was observed.pt_PT
dc.description.sponsorshipThe authors are grateful to Ministry of Agriculture, Portugal (Project AROMAP— PRODER/FEADER/EU), for financial support of the work and E. Pereira grant. The authors are grateful to the Foundation for Science and Technology (FCT, Portugal) for financial support to CIMO (Pest-OE/AGR/UI0690/2015) and L. Barros grant (SFRH/BPD/107855/2015). Also, to POCI-01-0145-FEDER- 006984 (LA LSRE-LCM), funded by FEDER, through POCI-COMPETE2020 and FCT. C2TN/IST are also gratefully to FCT for financial support through the RECI/AAG-TEC/0400/2012 and UID/Multi/04349/2013 projects. The authors are also grateful to “MaisErvas—Aromáticas e Medicinais” for samples providing. The GIP-USAL is financially supported by the Spanish Government through the project AGL2015-64522-C2-2-R.
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationPereira, Eliana; Barros, Lillian; Antonio, Amilcar L.; Verde, Sandra Cabo; Santos-Buelga, Celestino; Ferreira, Isabel C.F.R.; Rodrigues, Paula (2017). Is gamma radiation suitable to preserve phenolic compounds and to decontaminate mycotoxins in aromatic plants? A case-study with aloysia citrodora paláu. Molecules. ISSN 1420-3049. 22en_EN
dc.identifier.doi10.3390/molecules22030347pt_PT
dc.identifier.issn1420-3049
dc.identifier.urihttp://hdl.handle.net/10198/15305
dc.language.isoeng
dc.peerreviewedyespt_PT
dc.relationAGL2015-64522-C2-2-R
dc.relationPest-OE/AGR/UI0690/2015
dc.relationProviding industry and consumers with new alternative sources of natural additives from plant origin in the classes of preservatives and colouring agents: extraction, purification, stabilization and product development
dc.relationSILK FIBROIN/NANOHYDROXYAPATITE POROUS SCAFFOLDS FOR BONE REGENERATION
dc.subjectAflatoxin b1en_EN
dc.subjectChromatographyen_EN
dc.subjectGamma radiationen_EN
dc.subjectHerbsen_EN
dc.subjectOchratoxin Aen_EN
dc.subjectPhenolic compoundsen_EN
dc.titleIs gamma radiation suitable to preserve phenolic compounds and to decontaminate mycotoxins in aromatic plants? A case-study with Aloysia citrodora Paláuen_EN
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleProviding industry and consumers with new alternative sources of natural additives from plant origin in the classes of preservatives and colouring agents: extraction, purification, stabilization and product development
oaire.awardTitleSILK FIBROIN/NANOHYDROXYAPATITE POROUS SCAFFOLDS FOR BONE REGENERATION
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBPD%2F107855%2F2015/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBD%2F90400%2F2012/PT
person.familyNamePereira
person.familyNameBarros
person.familyNameAntonio
person.familyNameFerreira
person.familyNameRodrigues
person.givenNameEliana
person.givenNameLillian
person.givenNameAmilcar L.
person.givenNameIsabel C.F.R.
person.givenNamePaula
person.identifier469085
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person.identifier.orcid0000-0003-2854-6745
person.identifier.orcid0000-0002-9050-5189
person.identifier.orcid0000-0001-8271-9964
person.identifier.orcid0000-0003-4910-4882
person.identifier.orcid0000-0002-3789-2730
person.identifier.ridQ-8017-2018
person.identifier.ridJ-3600-2013
person.identifier.ridJ-1960-2014
person.identifier.ridE-8500-2013
person.identifier.scopus-author-id55938912300
person.identifier.scopus-author-id35236343600
person.identifier.scopus-author-id44560921900
person.identifier.scopus-author-id36868826600
person.identifier.scopus-author-id7102639646
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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