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Assessment of Dimethoate Residues in Olives at the Time of Harvest and After Brine Using QuEChERS Extraction

2016Journal article Restricted access
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dc.contributor.authorPaíga, Paula
dc.contributor.authorMeneses, Carla
dc.contributor.authorLopes, David H.
dc.contributor.authorCorreia, Manuela
dc.contributor.authorDelerue-Matos, Cristina
dc.date.accessioned2017-01-12T10:33:34Z
dc.date.embargo2116
dc.date.issued2016
dc.description.abstractPesticides are among the most investigated priority pollutants in agricultural products due to their widespread use and toxicity. The olive fruit fly (Bactrocera oleae) is one of the main pests of the olive tree in Portugal, and for an effective protection against this plague, farmers rely mostly on the use of insecticides. Six olive samples were collected in four olive groves to evaluate the presence of residues of dimethoate used for the combat of olive fruit fly, in table olives at the time of harvest and after brine. QuEChERS (Quick, Easy, Cheap, Effective, Rugged and Safe) extraction was optimized, one factor at a time, applied to the olive samples, and the extracts were analysed using liquid chromatography–diode array detection. Positive results were obtained in two samples at the time of harvest (3.58 and 4.34 mg/kg fw). One olive grove was selected to test two concentrations of salt and assess their influence on the quantity of residues. After brine, dimethoate residues were not detected.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1007/s12161-016-0506-6pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.22/9232
dc.language.isoengpt_PT
dc.publisherSpringer Verlagpt_PT
dc.relation.ispartofseriesFood Analytical Methods;Vol. 9, Issue 11
dc.relation.publisherversionhttp://link.springer.com/article/10.1007/s12161-016-0506-6pt_PT
dc.subjectDimethoatept_PT
dc.subjectTable olivespt_PT
dc.subjectQuEChERSpt_PT
dc.subjectLiquid chromatographypt_PT
dc.titleAssessment of Dimethoate Residues in Olives at the Time of Harvest and After Brine Using QuEChERS Extractionpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage3178pt_PT
oaire.citation.issue11pt_PT
oaire.citation.startPage3170pt_PT
oaire.citation.titleFood Analytical Methodspt_PT
oaire.citation.volume9pt_PT
person.familyNamePaíga
person.familyNameDelerue-Matos
person.givenNamePaula
person.givenNameCristina
person.identifier1668889
person.identifier.ciencia-id331A-5D6A-D3C8
person.identifier.ciencia-id9A1A-43FB-5C27
person.identifier.orcid0000-0002-9593-1355
person.identifier.orcid0000-0002-3924-776X
person.identifier.ridQ-4930-2018
person.identifier.ridD-4990-2013
person.identifier.scopus-author-id6506638953
person.identifier.scopus-author-id6603741848
rcaap.rightsclosedAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication4a0677dc-0b54-4831-aa9a-4a73f0df911d
relation.isAuthorOfPublication09f6a7bd-2f15-42b0-adc5-04bd22210519
relation.isAuthorOfPublication.latestForDiscovery09f6a7bd-2f15-42b0-adc5-04bd22210519

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