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Long-term frozen storage and pasteurization effects on strawberry polyphenols content

2015Journal article Restricted access
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dc.contributor.authorOliveira, Ana
dc.contributor.authorCoelho, Marta
dc.contributor.authorAlexandre, Elisabete M. C.
dc.contributor.authorAlmeida, Domingos P. F.
dc.contributor.authorPintado, Manuela
dc.date.accessioned2016-04-21T16:24:04Z
dc.date.available2016-04-21T16:24:04Z
dc.date.issued2015
dc.description.abstractThe profile of the strawberry polyphenols was analysed on fresh strawberry, immediately after freezing or after pasteurization and during frozen storage of strawberry at -20 A degrees C for 360 days. Freezing increased the extractability of (-)-epigallocatechin gallate (60 %), (-)-epicatechin (48 %) and ellagic acid (51 %) and decreased the pelargonidin-3-glucoside (18 %). Direct pasteurization of fresh strawberry increased the extractability for (-)-epigallocatechin gallate (73 %), (-)-epicatechin (45 %) and ellagic acid (143 %) and decreased for pelargonidin-3-glucoside (16 %). During storage at -20 A degrees C for 360 days the extractable levels of pelargonidin-3-rutinoside, (-)-epigallocatechin gallate, (+)-catechin, (-)-epicatechin and ellagic acid decreased by 17, 20, 37, 65 and 80 %, respectively, while those of pelargonidin-3-glucoside increased 13 %. Changes in polyphenols content, produced by pasteurization after 360 days frozen storage, were minimal. Polyphenols content decreased during storage of strawberry pieces at -20 A degrees C for 360 days, while the thermal treatment applied after freezing storage did not induce any significant change.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersion
dc.identifier.citationOLIVEIRA, Ana …[et al.] - Long-Term Frozen Storage and Pasteurization Effects on Strawberry Polyphenols Content. Food and Bioprocess Technology. ISSN 1935-5130. Vol. 8, n.º 9 (2015), p. 1838-1844pt_PT
dc.identifier.doi10.1007/s11947-015-1539-3
dc.identifier.eid84947615518
dc.identifier.eissn1935-5149
dc.identifier.issn1935-5130
dc.identifier.urihttp://hdl.handle.net/10400.14/19930
dc.identifier.wos000358664200002
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherSpringer
dc.relationQREN-ADI 3436
dc.subjectAnthocyaninpt_PT
dc.subjectFragaria-ananassapt_PT
dc.subjectFreezingpt_PT
dc.subjectPasteurizationpt_PT
dc.subjectFruit processingpt_PT
dc.subjectPreservation technologypt_PT
dc.titleLong-term frozen storage and pasteurization effects on strawberry polyphenols contentpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/PEst-OE%2FEQB%2FLA0016%2F2013/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/SFRH/SFRH%2FBD%2F75041%2F2010/PT
oaire.citation.endPage1844
oaire.citation.issue9
oaire.citation.startPage1838
oaire.citation.titleFood and Bioprocess Technology
oaire.citation.volume8
oaire.fundingStream3599-PPCDT
oaire.fundingStreamSFRH
person.familyNameOliveira
person.familyNameCorreia Coelho
person.familyNameAlexandre
person.familyNameAlmeida
person.familyNamePintado
person.givenNameAna
person.givenNameMarta Isabel
person.givenNameElisabete
person.givenNameDomingos
person.givenNameMaria Manuela
person.identifier1415634
person.identifier215276
person.identifier456608
person.identifier.ciencia-id4713-31C8-A356
person.identifier.ciencia-id0413-9857-6FC2
person.identifier.ciencia-idD012-E77D-309F
person.identifier.ciencia-id2F13-AAE0-3405
person.identifier.orcid0000-0001-8012-4203
person.identifier.orcid0000-0002-6542-175X
person.identifier.orcid0000-0003-4175-2498
person.identifier.orcid0000-0001-8429-8585
person.identifier.orcid0000-0002-0760-3184
person.identifier.ridJ-3404-2013
person.identifier.ridK-9179-2013
person.identifier.ridF-1835-2010
person.identifier.ridF-5696-2013
person.identifier.scopus-author-id55937245800
person.identifier.scopus-author-id50461336500
person.identifier.scopus-author-id14827787500
person.identifier.scopus-author-id7004483898
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.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
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