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Toxic elements and speciation in seafood samples from different contaminated sites in Europe

2015Journal article Restricted access
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dc.contributor.authorLuísa Maulvault, Ana
dc.contributor.authorAnacleto, Patrícia
dc.contributor.authorBarbosa, Vera
dc.contributor.authorSloth, Jens J.
dc.contributor.authorRasmussen, Rie Romme
dc.contributor.authorTediosi, Alice
dc.contributor.authorFernandez-Tejedor, Margarita
dc.contributor.authorvan den Heuvel, Fredericus H.M.
dc.contributor.authorKotterman, Michiel
dc.contributor.authorMarques, António
dc.date.accessioned2020-01-19T19:50:40Z
dc.date.available2020-01-19T19:50:40Z
dc.date.issued2015
dc.description.abstractThe presence of cadmium (Cd), lead (Pb), mercury (THg), methylmercury (MeHg), arsenic (TAs), inorganic arsenic (iAs), cobalt (Co), copper (Cu), zinc (Zn), nickel (Ni), chromium (Cr) and iron (Fe) was investigated in seafood collected from European marine ecosystems subjected to strong anthropogenic pressure, i.e. hotspot areas. Different species (Mytilus galloprovincialis, n=50; Chamelea gallina, n=50; Liza aurata, n=25; Platichthys flesus, n=25; Laminaria digitata, n=15; and Saccharina latissima, n=15) sampled in Tagus estuary, Po delta, Ebro delta, western Scheldt, and in the vicinities of a fish farm area (Solund, Norway), between September and December 2013, were selected to assess metal contamination and potential risks to seafood consumers, as well as to determine the suitability of ecologically distinct organisms as bioindicators in environmental monitoring studies. Species exhibited different elemental profiles, likely as a result of their ecological strategies, metabolism and levels in the environment (i.e. seawater and sediments). Higher levels of Cd (0.15-0.94 mg kg(-1)), Pb (0.37-0.89 mg kg(-1)), Co (0.48-1.1 mg kg(-1)), Cu (4.8-8.4 mg kg(-1)), Zn (75-153 mg kg(-1)), Cr (1.0-4.5 mg kg(-1)) and Fe (283-930 mg kg(-1)) were detected in bivalve species, particularly in M. galloprovincialis from Ebro and Po deltas, whereas the highest content of Hg was found in P. flesus (0.86 mg kg(-1)). In fish species, most Hg was organic (MeHg; from 69 to 79%), whereas lower proportions of MeHg were encountered in bivalve species (between 20 and 43%). The highest levels of As were found in macroalgae species L. digitata and S. latissima (41 mg kg(-1) and 43 mg kg(-1), respectively), with iAs accounting almost 50% of the total As content in L. digitata but not with S. latissima nor in the remaining seafood samples. This work highlights that the selection of the most appropriate bioindicator species is a fundamental step in environmental monitoring of each contaminant, especially in coastal areas. Furthermore, data clearly shows that the current risk assessment and legislation solely based on total As or Hg data is limiting, as elemental speciation greatly varies according to seafood species, thus playing a key role in human exposure assessment via food.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1016/j.envres.2015.09.016pt_PT
dc.identifier.issn0013-9351
dc.identifier.urihttp://hdl.handle.net/10451/41114
dc.language.isoengpt_PT
dc.publisherElsevierpt_PT
dc.relation.publisherversionhttps://www.sciencedirect.com/science/article/pii/S0013935115300839pt_PT
dc.subjectToxic elementspt_PT
dc.subjectHotspotspt_PT
dc.subjectArsenic speciationpt_PT
dc.subjectMercury speciationpt_PT
dc.subjectEuropean estuariespt_PT
dc.subjectSeafoodpt_PT
dc.titleToxic elements and speciation in seafood samples from different contaminated sites in Europept_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage81pt_PT
oaire.citation.startPage72pt_PT
oaire.citation.titleEnvironmental Researchpt_PT
oaire.citation.volume143pt_PT
person.familyNameMaulvault
person.familyNameAnacleto
person.givenNameAna Luísa
person.givenNamePatrícia
person.identifier1245458
person.identifier.ciencia-id9F12-BC2C-5527
person.identifier.ciencia-id9F13-3723-E4B3
person.identifier.orcid0000-0003-4382-1135
person.identifier.orcid0000-0003-3750-9583
person.identifier.ridK-6781-2014
person.identifier.ridH-5933-2013
person.identifier.scopus-author-id50461904700
person.identifier.scopus-author-id6507412894
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication6a23e7c0-317a-48f9-b6c2-e0081dd67fa0
relation.isAuthorOfPublicationa98801c6-5d8c-44cf-8b47-5fa0bc9a2f31
relation.isAuthorOfPublication.latestForDiscoverya98801c6-5d8c-44cf-8b47-5fa0bc9a2f31

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