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Lipid content of frozen fish: comparison of different extraction methods and variability during freezing storage

2012Journal article Open access
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dc.contributor.authorRamalhosa, Maria João
dc.contributor.authorPaíga, Paula
dc.contributor.authorMorais, Simone
dc.contributor.authorAlves, M. R.
dc.contributor.authorDelerue-Matos, Cristina
dc.contributor.authorOliveira, M. Beatriz P. P.
dc.date.accessioned2013-09-27T10:39:51Z
dc.date.available2013-09-27T10:39:51Z
dc.date.issued2012
dc.description.abstractIn this work, a microwave-assisted extraction (MAE) methodology was compared with several conventional extraction methods (Soxhlet, Bligh & Dyer, modified Bligh & Dyer, Folch, modified Folch, Hara & Radin, Roese-Gottlieb) for quantification of total lipid content of three fish species: horse mackerel (Trachurus trachurus), chub mackerel (Scomber japonicus), and sardine (Sardina pilchardus). The influence of species, extraction method and frozen storage time (varying from fresh to 9 months of freezing) on total lipid content was analysed in detail. The efficiencies of methods MAE, Bligh & Dyer, Folch, modified Folch and Hara & Radin were the highest and although they were not statistically different, differences existed in terms of variability, with MAE showing the highest repeatability (CV = 0.034). Roese-Gottlieb, Soxhlet, and modified Bligh & Dyer methods were very poor in terms of efficiency as well as repeatability (CV between 0.13 and 0.18).por
dc.identifier.doi10.1016/j.foodchem.2011.07.123pt_PT
dc.identifier.issn0308-8146
dc.identifier.urihttp://hdl.handle.net/10400.22/2016
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherElsevierpor
dc.relation.ispartofseriesFood Chemistry; Vol.131, Issue 1
dc.relation.publisherversionhttp://www.sciencedirect.com/science/article/pii/S0308814611011010por
dc.subjectFishpor
dc.subjectExtraction methodspor
dc.subjectLipidspor
dc.subjectFat contentpor
dc.titleLipid content of frozen fish: comparison of different extraction methods and variability during freezing storagepor
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage336por
oaire.citation.startPage328por
oaire.citation.volume131por
person.familyNameRamalhosa
person.familyNamePaíga
person.familyNameMorais
person.familyNameDelerue-Matos
person.givenNameMaria João
person.givenNamePaula
person.givenNameSimone
person.givenNameCristina
person.identifier1668889
person.identifier1598822
person.identifier.ciencia-id421A-C491-F45B
person.identifier.ciencia-id331A-5D6A-D3C8
person.identifier.ciencia-idB111-BBFB-F200
person.identifier.ciencia-id9A1A-43FB-5C27
person.identifier.orcid0000-0002-1951-3557
person.identifier.orcid0000-0002-9593-1355
person.identifier.orcid0000-0001-6433-5801
person.identifier.orcid0000-0002-3924-776X
person.identifier.ridD-8293-2013
person.identifier.ridQ-4930-2018
person.identifier.ridD-4990-2013
person.identifier.scopus-author-id35488836000
person.identifier.scopus-author-id6506638953
person.identifier.scopus-author-id7007053747
person.identifier.scopus-author-id6603741848
rcaap.rightsclosedAccesspor
rcaap.typearticlepor
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relation.isAuthorOfPublication.latestForDiscovery4a0677dc-0b54-4831-aa9a-4a73f0df911d

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