Simultaneous determination of different classes of pesticides in breast milk by solid-phase dispersion and GC/ECD

Detalhes bibliográficos
Autor(a) principal: Palma,Danielly C. A.
Data de Publicação: 2014
Outros Autores: Lourencetti,Carolina, Uecker,Marli E., Mello,Paulo R. B., Pignati,Wanderlei A., Dores,Eliana F. G. C.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Journal of the Brazilian Chemical Society (Online)
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532014000800013
Resumo: This study presents the development, validation and application of a multiresidue analytical method intended to determine nine pesticides and a degradation product (α-endosulfan, β-endosulfan, α-HCH, g-HCH, aldrin, p,p'-DDE, p,p'-DDT, cypermethrin, deltamethrin, and trifluralin) in breast milk samples by solid-phase dispersion and gas chromatography with electron capture detector (GC/ECD). The proposed method is considered simple and efficient, combining extraction and clean up in a single step and quantification performed by standard addition to avoid the matrix effect. The method limits of detection and quantification varied between 0.002 and 0.079 µg mL-1 and 0.013 and 0.108 µg mL-1, respectively. The proposed method was applied to analyze 62 breast milk samples collected between February and June 2010 in Lucas do Rio Verde, Mato Grosso, Brazil. p,p'-DDE (0.32-12.03 µg g-1 of fat), p,p'-DDT (2.62-12.41 µg g-1 of fat) and β-endosulfan (0.54-0.61 µg g-1 of fat) were quantified in 29%, 5% and 3% of the samples, respectively. Aldrin was found below the method quantification limit in 7% of samples. Although these compounds were found in the analyzed samples, mothers were oriented to carry on feeding the infants as the breast milk is considered the optimum food during infancy.
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spelling Simultaneous determination of different classes of pesticides in breast milk by solid-phase dispersion and GC/ECDpesticidessolid-phase dispersiongas chromatographybreast milkmatrix effectThis study presents the development, validation and application of a multiresidue analytical method intended to determine nine pesticides and a degradation product (α-endosulfan, β-endosulfan, α-HCH, g-HCH, aldrin, p,p'-DDE, p,p'-DDT, cypermethrin, deltamethrin, and trifluralin) in breast milk samples by solid-phase dispersion and gas chromatography with electron capture detector (GC/ECD). The proposed method is considered simple and efficient, combining extraction and clean up in a single step and quantification performed by standard addition to avoid the matrix effect. The method limits of detection and quantification varied between 0.002 and 0.079 µg mL-1 and 0.013 and 0.108 µg mL-1, respectively. The proposed method was applied to analyze 62 breast milk samples collected between February and June 2010 in Lucas do Rio Verde, Mato Grosso, Brazil. p,p'-DDE (0.32-12.03 µg g-1 of fat), p,p'-DDT (2.62-12.41 µg g-1 of fat) and β-endosulfan (0.54-0.61 µg g-1 of fat) were quantified in 29%, 5% and 3% of the samples, respectively. Aldrin was found below the method quantification limit in 7% of samples. Although these compounds were found in the analyzed samples, mothers were oriented to carry on feeding the infants as the breast milk is considered the optimum food during infancy.Sociedade Brasileira de Química2014-08-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532014000800013Journal of the Brazilian Chemical Society v.25 n.8 2014reponame:Journal of the Brazilian Chemical Society (Online)instname:Sociedade Brasileira de Química (SBQ)instacron:SBQ10.5935/0103-5053.20140124info:eu-repo/semantics/openAccessPalma,Danielly C. A.Lourencetti,CarolinaUecker,Marli E.Mello,Paulo R. B.Pignati,Wanderlei A.Dores,Eliana F. G. C.eng2014-08-04T00:00:00Zoai:scielo:S0103-50532014000800013Revistahttp://jbcs.sbq.org.brONGhttps://old.scielo.br/oai/scielo-oai.php||office@jbcs.sbq.org.br1678-47900103-5053opendoar:2014-08-04T00:00Journal of the Brazilian Chemical Society (Online) - Sociedade Brasileira de Química (SBQ)false
dc.title.none.fl_str_mv Simultaneous determination of different classes of pesticides in breast milk by solid-phase dispersion and GC/ECD
title Simultaneous determination of different classes of pesticides in breast milk by solid-phase dispersion and GC/ECD
spellingShingle Simultaneous determination of different classes of pesticides in breast milk by solid-phase dispersion and GC/ECD
Palma,Danielly C. A.
pesticides
solid-phase dispersion
gas chromatography
breast milk
matrix effect
title_short Simultaneous determination of different classes of pesticides in breast milk by solid-phase dispersion and GC/ECD
title_full Simultaneous determination of different classes of pesticides in breast milk by solid-phase dispersion and GC/ECD
title_fullStr Simultaneous determination of different classes of pesticides in breast milk by solid-phase dispersion and GC/ECD
title_full_unstemmed Simultaneous determination of different classes of pesticides in breast milk by solid-phase dispersion and GC/ECD
title_sort Simultaneous determination of different classes of pesticides in breast milk by solid-phase dispersion and GC/ECD
author Palma,Danielly C. A.
author_facet Palma,Danielly C. A.
Lourencetti,Carolina
Uecker,Marli E.
Mello,Paulo R. B.
Pignati,Wanderlei A.
Dores,Eliana F. G. C.
author_role author
author2 Lourencetti,Carolina
Uecker,Marli E.
Mello,Paulo R. B.
Pignati,Wanderlei A.
Dores,Eliana F. G. C.
author2_role author
author
author
author
author
dc.contributor.author.fl_str_mv Palma,Danielly C. A.
Lourencetti,Carolina
Uecker,Marli E.
Mello,Paulo R. B.
Pignati,Wanderlei A.
Dores,Eliana F. G. C.
dc.subject.por.fl_str_mv pesticides
solid-phase dispersion
gas chromatography
breast milk
matrix effect
topic pesticides
solid-phase dispersion
gas chromatography
breast milk
matrix effect
description This study presents the development, validation and application of a multiresidue analytical method intended to determine nine pesticides and a degradation product (α-endosulfan, β-endosulfan, α-HCH, g-HCH, aldrin, p,p'-DDE, p,p'-DDT, cypermethrin, deltamethrin, and trifluralin) in breast milk samples by solid-phase dispersion and gas chromatography with electron capture detector (GC/ECD). The proposed method is considered simple and efficient, combining extraction and clean up in a single step and quantification performed by standard addition to avoid the matrix effect. The method limits of detection and quantification varied between 0.002 and 0.079 µg mL-1 and 0.013 and 0.108 µg mL-1, respectively. The proposed method was applied to analyze 62 breast milk samples collected between February and June 2010 in Lucas do Rio Verde, Mato Grosso, Brazil. p,p'-DDE (0.32-12.03 µg g-1 of fat), p,p'-DDT (2.62-12.41 µg g-1 of fat) and β-endosulfan (0.54-0.61 µg g-1 of fat) were quantified in 29%, 5% and 3% of the samples, respectively. Aldrin was found below the method quantification limit in 7% of samples. Although these compounds were found in the analyzed samples, mothers were oriented to carry on feeding the infants as the breast milk is considered the optimum food during infancy.
publishDate 2014
dc.date.none.fl_str_mv 2014-08-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532014000800013
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532014000800013
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 10.5935/0103-5053.20140124
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv text/html
dc.publisher.none.fl_str_mv Sociedade Brasileira de Química
publisher.none.fl_str_mv Sociedade Brasileira de Química
dc.source.none.fl_str_mv Journal of the Brazilian Chemical Society v.25 n.8 2014
reponame:Journal of the Brazilian Chemical Society (Online)
instname:Sociedade Brasileira de Química (SBQ)
instacron:SBQ
instname_str Sociedade Brasileira de Química (SBQ)
instacron_str SBQ
institution SBQ
reponame_str Journal of the Brazilian Chemical Society (Online)
collection Journal of the Brazilian Chemical Society (Online)
repository.name.fl_str_mv Journal of the Brazilian Chemical Society (Online) - Sociedade Brasileira de Química (SBQ)
repository.mail.fl_str_mv ||office@jbcs.sbq.org.br
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