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Using gamma irradiation to attenuate the effects caused by drying or freezing in Macrolepiota procera organic acids and phenolic compounds

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dc.contributor.authorFernandes, Ângela
dc.contributor.authorBarros, Lillian
dc.contributor.authorAntonio, Amilcar L.
dc.contributor.authorBarreira, João C.M.
dc.contributor.authorOliveira, Beatriz
dc.contributor.authorFerreira, Isabel C.F.R.
dc.date.accessioned2015-08-04T14:36:56Z
dc.date.available2015-08-04T14:36:56Z
dc.date.issued2014
dc.description.abstractMacrolepiota procera (Scop.) Singer, commonly parasol mushroom, is an appreciated wild edible species. Due to its very perishable nature, M. procera must be processed to extend its shelf life. The chemical changes caused by common processing types should be avoided to maintain the wholesomeness of organoleptic features. Irradiation might be used as a preservation methodology due to its safety, cost effectiveness and ability to ensure hygienic and sensory quality. Furthermore, when combined with other preservation technologies, irradiation exhibits an attenuating effect over the chemical changes caused by some of those treatments per se. Herein, the effects of irradiation of M. procera processed samples (frozen, dried and fresh) were evaluated considering changes in organic acid and phenolic compound profiles. Detected contents of phenolic were much lower than those of organic acids. Differences caused by processing type, specifically the lower levels of total organic acids and phenolic acids in dried and frozen samples, were larger than those observed for stronger irradiation doses, which did not cause remarkable changes, except for a slightly lower content of phenolic acids in non-irradiated samples. This larger effect was statistically confirmed in the performed linear discriminant analysis. Besides its slighter influence, irradiation showed potential usefulness to be used as complementary preservation technology since it attenuated the lowering effects of dehydration and freeze treatment over specific organic acid contents.por
dc.description.sponsorshipThe authors are grateful to the Foundation for Science and Technology (FCT, Portugal) for financial support of research centres CIMO (PEst-OE/AGR/UI0690/2011) and REQUIMTE (PEst-C/EQB/LA0006/2011). Â. Fernandes, A.L. Antonio and J.C.M. Barreira thank FCT, POPH-QREN and FSE for their grants (SFRH/BD/76019/2011, SFRH/PROTEC/67398/2010 and SFRH/BPD/72802/2010, respectively). L. Barros thanks FCT for her researcher contract under “Programa Compromisso com Ciência-2008.por
dc.identifier.citationFernandes, Ângela; Barros, Lillian; Antonio, Amilcar L.; Barreira, João C.M.; Oliveira, M.B.P.P.; Ferreira, Isabel C.F.R. (2014). Using gamma irradiation to attenuate the effects caused by drying or freezing in Macrolepiota procera organic acids and phenolic compounds. Food and Bioprocess Technology. ISSN 1935-5130. 7:10, p. 3012-3021por
dc.identifier.doi10.1007/s11947-013-1248-8
dc.identifier.issn1935-5130
dc.identifier.urihttp://hdl.handle.net/10198/12036
dc.language.isoengpor
dc.peerreviewedyespor
dc.subjectIrradiationpor
dc.subjectProcessed mushroomspor
dc.subjectMacrolepiota procerapor
dc.subjectOrganic acidspor
dc.subjectPhenolic compoundspor
dc.subjectLDApor
dc.titleUsing gamma irradiation to attenuate the effects caused by drying or freezing in Macrolepiota procera organic acids and phenolic compoundspor
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage3021por
oaire.citation.startPage3012por
oaire.citation.titleFood and Bioprocess Technologypor
oaire.citation.volume7por
person.familyNameFernandes
person.familyNameBarros
person.familyNameAntonio
person.familyNameBarreira
person.familyNameFerreira
person.givenNameÂngela
person.givenNameLillian
person.givenNameAmilcar L.
person.givenNameJoão C.M.
person.givenNameIsabel C.F.R.
person.identifier469085
person.identifier144781
person.identifier.ciencia-id2015-0434-AE7C
person.identifier.ciencia-id9616-35CB-D001
person.identifier.ciencia-id1014-5259-DE86
person.identifier.ciencia-id9418-CF95-9919
person.identifier.orcid0000-0002-0157-9873
person.identifier.orcid0000-0002-9050-5189
person.identifier.orcid0000-0001-8271-9964
person.identifier.orcid0000-0003-1233-0990
person.identifier.orcid0000-0003-4910-4882
person.identifier.ridJ-3600-2013
person.identifier.ridJ-1960-2014
person.identifier.ridD-8269-2013
person.identifier.ridE-8500-2013
person.identifier.scopus-author-id35236343600
person.identifier.scopus-author-id44560921900
person.identifier.scopus-author-id54895546900
person.identifier.scopus-author-id36868826600
rcaap.rightsopenAccesspor
rcaap.typearticlepor
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