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Influence of gamma irradiation in the antioxidant potential of chestnuts (Castanea sativa Mill.) fruits and skins

2011Journal article Restricted access
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dc.contributor.authorAntonio, Amilcar L.
dc.contributor.authorFernandes, Ângela
dc.contributor.authorBarreira, João C.M.
dc.contributor.authorBento, Albino
dc.contributor.authorBotelho, M. Luísa
dc.contributor.authorFerreira, Isabel C.F.R.
dc.date.accessioned2011-10-25T10:49:50Z
dc.date.available2011-10-25T10:49:50Z
dc.date.issued2011
dc.description.abstractAs seasonal products chestnuts have to be postharvest treated to increase their shelf-life. The most common preservation method for chestnuts is the chemical fumigation with methyl bromide, a toxic agent that is under strictly use under Montreal Protocol due to its adverse effects on human health and environment. Food irradiation is a possible feasible alternative to substitute the traditional quarantine chemical fumigation treatment. This preliminary study evaluated the influence of gamma irradiation in the antioxidant potential of chestnut fruits and skins, through several chemical and biochemical parameters. The bioactive compounds (phenolics and flavonoids) and DPPH (2,2-diphenyl-1-picrylhydrazyl) radical scavenging activity, reducing power and inhibition of B-carotene bleaching capacity were determined. The obtained results seem to indicate that the storage favoured chestnuts antioxidant potential. Furthermore, the application of gamma irradiation also seems to be advantageous for antioxidant activity, independently of the dose used (0.27 ± 0.04 kGy or 0.54 ± 0.04 kGy).por
dc.identifier.citationAntónio, Amílcar L.; Fernandes, Ângela; Barreira, João C.M.; Bento, Albino; Botelho, M. Luisa; Ferreira, Isabel C. F. R. (2011). Influence of gamma irradiation in the antioxidant potential of chestnuts (Castanea sativa Mill.) fruits and skins. Food and Chemical Toxology. ISSN 0278-6915. 49:9, p. 1918-1923por
dc.identifier.doi10.1016/j.fct.2011.02.016
dc.identifier.issn0278-6915
dc.identifier.urihttp://hdl.handle.net/10198/6236
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherElsevierpor
dc.relationBIOACTIVE PROPERTIES & CYTOPROTECTIVE POTENTIAL OF NATURAL EXTRACTS/INDIVIDUAL COMPOUNDS: APPLICATION OF SINGLE CELL GEL ELECTROPHORESIS AND OTHER BIOCHEMICAL, CHEMICAL AND ELECTROCHEMICAL ASSAYS
dc.subjectIrradiated chestnutspor
dc.subjectGamma irradiationpor
dc.subjectAntioxidant activitypor
dc.subjectPhenolics/Flavonoidspor
dc.titleInfluence of gamma irradiation in the antioxidant potential of chestnuts (Castanea sativa Mill.) fruits and skinspor
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleBIOACTIVE PROPERTIES & CYTOPROTECTIVE POTENTIAL OF NATURAL EXTRACTS/INDIVIDUAL COMPOUNDS: APPLICATION OF SINGLE CELL GEL ELECTROPHORESIS AND OTHER BIOCHEMICAL, CHEMICAL AND ELECTROCHEMICAL ASSAYS
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBPD%2F72802%2F2010/PT
oaire.citation.endPage1923por
oaire.citation.issue49por
oaire.citation.startPage1918por
oaire.citation.titleFood and Chemical Toxicologypor
person.familyNameAntonio
person.familyNameFernandes
person.familyNameBarreira
person.familyNameBento
person.familyNameFerreira
person.givenNameAmilcar L.
person.givenNameÂngela
person.givenNameJoão C.M.
person.givenNameAlbino
person.givenNameIsabel C.F.R.
person.identifier144781
person.identifier.ciencia-id1014-5259-DE86
person.identifier.ciencia-id2015-0434-AE7C
person.identifier.ciencia-idD516-325A-9AD7
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person.identifier.orcid0000-0001-8271-9964
person.identifier.orcid0000-0002-0157-9873
person.identifier.orcid0000-0003-1233-0990
person.identifier.orcid0000-0001-5215-785X
person.identifier.orcid0000-0003-4910-4882
person.identifier.ridJ-1960-2014
person.identifier.ridD-8269-2013
person.identifier.ridN-9706-2016
person.identifier.ridE-8500-2013
person.identifier.scopus-author-id44560921900
person.identifier.scopus-author-id54895546900
person.identifier.scopus-author-id35247694000
person.identifier.scopus-author-id36868826600
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspor
rcaap.typearticlepor
relation.isAuthorOfPublication4b23e496-8d11-4ff5-a8ec-e1c2235e5a28
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