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Conservation of wild mushrooms through electron beam irradiation

2017Conference object Open access
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dc.contributor.authorFernandes, Ângela
dc.contributor.authorAntonio, Amilcar L.
dc.contributor.authorRafalski, Andrzej
dc.contributor.authorBarreira, João C.M.
dc.contributor.authorOliveira, Beatriz
dc.contributor.authorMartins, Anabela
dc.contributor.authorFerreira, Isabel C.F.R.
dc.date.accessioned2017-09-22T08:57:07Z
dc.date.available2017-09-22T08:57:07Z
dc.date.issued2017
dc.description.abstractThe high perishability is a characteristic of the mushrooms consumed in fresh. Therefore, it is mandatory the application of effective conservation technologies to preserve and protect their chemical composition and nutritional value. Drying processes are widely used, but do not avoid the development of bacteria and fungi which have the ability to survive for long periods of time in dry foods, causing the loss of some nutrients and leading to food browning and oxidation of lipids and vitamins [1]. Irradiation appears as an alternative to food preservation assuring and maintaining its quality [2]. In this work, the effects of electron beam irradiation and storage time on nutritional and chemical parameters of wild samples of Macrolepiota procera (Scop.) Singer, previously submitted to a drying process (oven at 30 ºC), were assessed. The wild mushroom samples were collected in Trás-os-Montes; electron beam irradiation (doses 0.5, 1 and 6 kGy) was carried out in the INCT- Institute of Nuclear Chemistry and Technology in Warsaw, Poland and the analyses were performed over the storage period (0, 6 and 12 months). The results were compared with a control (non-irradiated samples). The nutritional value was determined according to the official procedures of food analysis, while the profiles of fatty acids, tocopherols, mono and oligosaccharides were obtained by chromatographic techniques [1]. The irradiation showed a better capacity to maintain the nutritional and chemical profile, in comparison with the storage time. Effectively, the storage time had a significant effect in all parameters, but fatty acids undergone significant changes both with irradiation doses and storage time. Electron beam irradiation can be considered a suitable technique for conservation of mushrooms for long periods of time, attenuating the changes caused by the drying treatment.pt_PT
dc.description.sponsorshipThe authors are grateful to the Foundation for Science and Technology (FCT, Portugal) and FEDER under Programme PT2020 for financial support to CIMO (UID/AGR/00690/2013), A. Fernandes (SFRH/BPD/114753/2016) and J.C.M. Barreira contract.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationFernandes, Ângela; Antonio, Amilcar L.; Rafalski, Andrzej; Barreira, João C.M.; Oliveira, M.B.P.P.; Martins, Anabela; Ferreira, Isabel C.F.R. (2017). Conservation of wild mushrooms through electron beam irradiation. In NUTECH'2017 - International Conference on Developments and Applications of Nuclear T. Kraków, Polandpt_PT
dc.identifier.urihttp://hdl.handle.net/10198/14506
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.relationBioresidues of Agaricus bisporus Portobello as sustainable sources of vitamin D2: yield improvement by irradiation, refinement and stabilization to functionalize novel food formulations.
dc.rights.urihttp://creativecommons.org/licenses/by-nd/4.0/pt_PT
dc.subjectElectron beam irradiationpt_PT
dc.subjectMushroomspt_PT
dc.subjectNutritional valuept_PT
dc.subjectChemical compositionpt_PT
dc.titleConservation of wild mushrooms through electron beam irradiationpt_PT
dc.typeconference object
dspace.entity.typePublication
oaire.awardTitleBioresidues of Agaricus bisporus Portobello as sustainable sources of vitamin D2: yield improvement by irradiation, refinement and stabilization to functionalize novel food formulations.
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FAGR%2F00690%2F2013/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/FARH/SFRH%2FBPD%2F114753%2F2016/PT
oaire.citation.conferencePlaceKraków, Polandpt_PT
oaire.citation.titleNUTECH'2017 - International Conference on Developments and Applications of Nuclear Technologiespt_PT
oaire.fundingStream5876
oaire.fundingStreamFARH
person.familyNameFernandes
person.familyNameAntonio
person.familyNameBarreira
person.familyNameMartins
person.familyNameFerreira
person.givenNameÂngela
person.givenNameAmilcar L.
person.givenNameJoão C.M.
person.givenNameAnabela
person.givenNameIsabel C.F.R.
person.identifier144781
person.identifier.ciencia-id2015-0434-AE7C
person.identifier.ciencia-id1014-5259-DE86
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person.identifier.orcid0000-0002-0157-9873
person.identifier.orcid0000-0001-8271-9964
person.identifier.orcid0000-0003-1233-0990
person.identifier.orcid0000-0001-6218-4413
person.identifier.orcid0000-0003-4910-4882
person.identifier.ridJ-1960-2014
person.identifier.ridD-8269-2013
person.identifier.ridG-5488-2013
person.identifier.ridE-8500-2013
person.identifier.scopus-author-id44560921900
person.identifier.scopus-author-id54895546900
person.identifier.scopus-author-id7203013518
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.rightsopenAccesspt_PT
rcaap.typeconferenceObjectpt_PT
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