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12th IFDC 2017 special issue – Iodine, selenium and iron contents in Portuguese key foods as consumed

2019-06Journal article Open access
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dc.contributor.authorDelgado, Inês
dc.contributor.authorVentura, Marta
dc.contributor.authorGueifão, Sandra
dc.contributor.authorCoelho, Inês
dc.contributor.authorNascimento, Ana Cláudia
dc.contributor.authorSilva, José Armando L.
dc.contributor.authorCastanheira, Isabel
dc.date.accessioned2020-05-03T20:28:20Z
dc.date.available2020-05-03T20:28:20Z
dc.date.issued2019-06
dc.description.abstractIodine, selenium and iron are micronutrients essential for thyroid hormone synthesis causing their low plasma levels an additional risk of autoimmune thyroid diseases. A Portuguese TDS pilot study representative of diets in Portugal was carried out, since foods are the main natural sources of these micronutrients. Six hundred and twenty-four samples were collected based on local markets and later analysed in pools of ten meat samples, twenty-seven fish, nine chicken eggs and six cow dairy products. The iodine and selenium contents were determined using ICP-MS after alkaline (iodine) or acid digestion (selenium) and iron by ICP-OES after acid digestion. The highest content of three oligoelements was detected in fish. Meat had lower iodine content and the dairy products lower selenium and iron levels. Sardine presented significant different levels in summer and winter for iodine, and in summer and autumn for selenium, mackerel had diverse contents of iron in summer and autumn. The contribution of salmon and milk for iodine RNI was around 40%, for children and adults. Shrimp is also the food with more selenium, exceeding 1.5 times the % RNI for children and adults females, while iron maximum contribution was observed in meat for children and adult males.pt_PT
dc.description.abstractHighlights: The highest contents in the three oligoelements were in fish group; The lowest contents were in meat (I) and dairy products (Se and Fe); Larges variations were observed for iodine and selenium contents in national FCDBs; Iodine accounting for 40% RNI and selenium exceeds 1.5 times RNI; Iron maximum contribution for RNI was in bovine meat.pt_PT
dc.description.sponsorshipThe scientific work was funded by the Project WHO Collaborating Centre funded by the Instituto Nacional de Saúde Doutor Ricardo Jorge, I.P. Lisbon, Portugal (2013DAN850) and by the PRO-METROFOOD project, funded by European Union’s Horizon 2020 research and innovation programme under grant agreement No 739568.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationJ Food Compost Anal. 2019 Jun;79:39-46. doi: 10.1016/j.jfca.2019.03.004. Epub 2019 Mar 11pt_PT
dc.identifier.doi10.1016/j.jfca.2019.03.004pt_PT
dc.identifier.issn0889-1575
dc.identifier.urihttp://hdl.handle.net/10400.18/6594
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relationProgressing towards the construction of METROFOOD-RI
dc.relation.publisherversionhttps://www.sciencedirect.com/science/article/abs/pii/S0889157519303606pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/pt_PT
dc.subjectIodinept_PT
dc.subjectSeleniumpt_PT
dc.subjectIronpt_PT
dc.subjectTotal Diet Studypt_PT
dc.subjectSeasonalitypt_PT
dc.subjectRecommended nutrient intakept_PT
dc.subjectFood analysispt_PT
dc.subjectFood compositionpt_PT
dc.subjectComposição dos Alimentospt_PT
dc.title12th IFDC 2017 special issue – Iodine, selenium and iron contents in Portuguese key foods as consumedpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleProgressing towards the construction of METROFOOD-RI
oaire.awardURIinfo:eu-repo/grantAgreement/EC/H2020/739568/EU
oaire.citation.endPage46pt_PT
oaire.citation.startPage39pt_PT
oaire.citation.titleJournal of Food Composition and Analysispt_PT
oaire.citation.volume79pt_PT
oaire.fundingStreamH2020
project.funder.identifierhttp://doi.org/10.13039/501100008530
project.funder.nameEuropean Commission
rcaap.embargofctDe acordo com política editorial da revista.pt_PT
rcaap.rightsembargoedAccesspt_PT
rcaap.typearticlept_PT
relation.isProjectOfPublication27905750-7224-4d46-9b63-35b5e2cc834a
relation.isProjectOfPublication.latestForDiscovery27905750-7224-4d46-9b63-35b5e2cc834a

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