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Effects of spoilage on nitrogen and carbon stable isotopes signatures of the clam Ruditapes decussatus

2018Journal article Open access
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dc.contributor.authorAníbal, J.
dc.contributor.authorVeiga-Pires, C.
dc.contributor.authorEsteves, E.
dc.date.accessioned2018-01-06T10:12:51Z
dc.date.available2018-01-06T10:12:51Z
dc.date.issued2018
dc.date.updated2018-01-05T10:52:56Z
dc.description.abstractFish and seafood products are highly susceptible to post-mortem spoilage due to autolytic reactions at start, then microbiological activity and eventually oxidative reactions. Chemical and microbiological parameters are usually used to assess quality and make decisions for protecting public health, but they lack precision in defining which spoilage pathway is occurring at each moment. The objective of this work was to assess the effects of spoilage reactions on nitrogen and carbon stable isotopes in the grooved carpet shell clam, Ruditapes decussatus, and compare them to biochemical indicators of seafood deterioration, in order to better understand the relations between the different spoilage pathways during commercial storage conditions. Clams were kept in a refrigerator at 5 ºC, to simulate normal commercial storage conditions, and sampled in the beginning of the experiment, and after eight, ten and twelve days. Moisture, condition index, percentage edibility, total volatile basic nitrogen (TVB-N), pH, nitrogen and carbon percentages and stable isotopes were determined for each sampling moment. Stable isotope analyses were performed using a Costech Elemental Analyzer (ECS 4010) coupled to a ThermoFinnigan Delta V Advantage. Stable isotopes analysis, especially for nitrogen, proved to be a good tool for the study of clam deterioration. Nitrogen stable isotopes results showed a relation with other spoilage indicators, such as pH and TVB-N, and allowed identifying spoilage specific pathways, such as amino acids decarboxylation and production of volatile nitrogen compounds.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationAníbal, Jaime; Veiga-Pires, Cristina; Esteves, Eduardo. Effects of Spoilage on Nitrogen and Carbon Stable Isotopes Signatures of the Clam Ruditapes decussatus, In INCREaSE, 241-252, ISBN: 978-3-319-70271-1. Cham: Springer International Publishing, 2018.pt_PT
dc.identifier.isbn978-3-319-70271-1
dc.identifier.otherAUT: CVP01371; JAN01430; EES01759;
dc.identifier.urihttp://hdl.handle.net/10400.1/10291
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherSpringer International Publishingpt_PT
dc.subjectStable isotopespt_PT
dc.subjectCarbonpt_PT
dc.subjectNitrogenpt_PT
dc.subjectSpoilagept_PT
dc.subjectTVB-Npt_PT
dc.titleEffects of spoilage on nitrogen and carbon stable isotopes signatures of the clam Ruditapes decussatuspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.conferencePlaceFaro, Portugalpt_PT
oaire.citation.endPage252pt_PT
oaire.citation.startPage241pt_PT
oaire.citation.titleINCREaSE 2017 - International Congress on Engineering and Sustainability in the XXI Centurypt_PT
person.familyNameAnibal
person.familyNameVeiga-Pires
person.familyNameEsteves
person.givenNameJaime
person.givenNameCristina
person.givenNameEduardo
person.identifier113325
person.identifier.ciencia-idE01D-F785-AB70
person.identifier.ciencia-id4A1F-CEDA-E66C
person.identifier.ciencia-idC81D-666A-FF24
person.identifier.orcid0000-0002-9704-5824
person.identifier.orcid0000-0002-9323-0723
person.identifier.orcid0000-0002-1872-8185
person.identifier.ridA-6080-2010
person.identifier.ridB-5144-2008
person.identifier.ridE-9582-2012
person.identifier.scopus-author-id6506031408
person.identifier.scopus-author-id7801372905
person.identifier.scopus-author-id7003885183
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication66594510-941f-49ed-86f5-3ef199bc3227
relation.isAuthorOfPublicationd1541efa-0eaa-48dc-aea3-a1e64aa0065a
relation.isAuthorOfPublicationaa7fd030-1bcb-4f16-83ad-508346a35f97
relation.isAuthorOfPublication.latestForDiscovery66594510-941f-49ed-86f5-3ef199bc3227

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