Determination of arsenic species distribution in extra virgin olive oils from arsenic-endemic areas by dimensional chromatography and atomic spectroscopy
- Autores
- Torres, Alberto Sabier; Martinez, Luis Dante; Pacheco, Pablo Hugo
- Año de publicación
- 2018
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Arsenic species were determined in extra virgin olive oils (EVOOs) by two dimension chromatography and atomic spectroscopy: inductively coupled plasma mass spectrometry (ICP MS) and electrothermal atomic absorption spectrometry (ETAAS). A first approach determined total As concentration in EVOOs samples by microwave assisted digestion and ICP MS from 2.01 to 152 μg kg−1. EVOOs with elevated As concentration were selected for protein extraction. In a first dimension, by size exclusion chromatography (SEC) coupled to ICP MS, a fraction of 66 kDa was identified and collected for analysis. Free and proteic As were separated by molecular weight cut off filters. Proteic and free arsenic concentrations determined by ETAAS range from 0.56–4.44 and 0.67-3.89 μg kg−1 of As respectively. Finally in a second dimension, by anion exchange chromatography (AEC) coupled to ICP MS, dimethylarsenate and arsenite were determined in proteic fraction of EVOOs in concentrations of 1.68–2.86 and 0.53–0.55 μg kg−1 respectively.
Fil: Torres, Sabier. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Química de San Luis; Argentina
Fil: Martínez, Luis D.. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Química de San Luis; Argentina
Fil: Pacheco, Pablo Hugo. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Química de San Luis; Argentina - Materia
-
ARSENIC SPECIES
ATOMIC SPECTROSCOPY
FOOD ANALYSIS
FOOD COMPOSITION
LIQUID CHROMATOGRAPHY
OLIVE OIL - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/92862
Ver los metadatos del registro completo
id |
CONICETDig_3a62c9a622b5108b749f1d2e283088b7 |
---|---|
oai_identifier_str |
oai:ri.conicet.gov.ar:11336/92862 |
network_acronym_str |
CONICETDig |
repository_id_str |
3498 |
network_name_str |
CONICET Digital (CONICET) |
spelling |
Determination of arsenic species distribution in extra virgin olive oils from arsenic-endemic areas by dimensional chromatography and atomic spectroscopyTorres, Alberto SabierMartinez, Luis DantePacheco, Pablo HugoARSENIC SPECIESATOMIC SPECTROSCOPYFOOD ANALYSISFOOD COMPOSITIONLIQUID CHROMATOGRAPHYOLIVE OILhttps://purl.org/becyt/ford/1.4https://purl.org/becyt/ford/1Arsenic species were determined in extra virgin olive oils (EVOOs) by two dimension chromatography and atomic spectroscopy: inductively coupled plasma mass spectrometry (ICP MS) and electrothermal atomic absorption spectrometry (ETAAS). A first approach determined total As concentration in EVOOs samples by microwave assisted digestion and ICP MS from 2.01 to 152 μg kg−1. EVOOs with elevated As concentration were selected for protein extraction. In a first dimension, by size exclusion chromatography (SEC) coupled to ICP MS, a fraction of 66 kDa was identified and collected for analysis. Free and proteic As were separated by molecular weight cut off filters. Proteic and free arsenic concentrations determined by ETAAS range from 0.56–4.44 and 0.67-3.89 μg kg−1 of As respectively. Finally in a second dimension, by anion exchange chromatography (AEC) coupled to ICP MS, dimethylarsenate and arsenite were determined in proteic fraction of EVOOs in concentrations of 1.68–2.86 and 0.53–0.55 μg kg−1 respectively.Fil: Torres, Sabier. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Química de San Luis; ArgentinaFil: Martínez, Luis D.. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Química de San Luis; ArgentinaFil: Pacheco, Pablo Hugo. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Química de San Luis; ArgentinaAcademic Press Inc Elsevier Science2018-03-09info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/92862Torres, Alberto Sabier; Martinez, Luis Dante; Pacheco, Pablo Hugo; Determination of arsenic species distribution in extra virgin olive oils from arsenic-endemic areas by dimensional chromatography and atomic spectroscopy; Academic Press Inc Elsevier Science; Journal of Food Composition and Analysis; 66; 9-3-2018; 121-1260889-15750889-1575CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1016/j.jfca.2017.12.011info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/abs/pii/S0889157517302892info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T09:38:21Zoai:ri.conicet.gov.ar:11336/92862instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 09:38:21.309CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Determination of arsenic species distribution in extra virgin olive oils from arsenic-endemic areas by dimensional chromatography and atomic spectroscopy |
title |
Determination of arsenic species distribution in extra virgin olive oils from arsenic-endemic areas by dimensional chromatography and atomic spectroscopy |
spellingShingle |
Determination of arsenic species distribution in extra virgin olive oils from arsenic-endemic areas by dimensional chromatography and atomic spectroscopy Torres, Alberto Sabier ARSENIC SPECIES ATOMIC SPECTROSCOPY FOOD ANALYSIS FOOD COMPOSITION LIQUID CHROMATOGRAPHY OLIVE OIL |
title_short |
Determination of arsenic species distribution in extra virgin olive oils from arsenic-endemic areas by dimensional chromatography and atomic spectroscopy |
title_full |
Determination of arsenic species distribution in extra virgin olive oils from arsenic-endemic areas by dimensional chromatography and atomic spectroscopy |
title_fullStr |
Determination of arsenic species distribution in extra virgin olive oils from arsenic-endemic areas by dimensional chromatography and atomic spectroscopy |
title_full_unstemmed |
Determination of arsenic species distribution in extra virgin olive oils from arsenic-endemic areas by dimensional chromatography and atomic spectroscopy |
title_sort |
Determination of arsenic species distribution in extra virgin olive oils from arsenic-endemic areas by dimensional chromatography and atomic spectroscopy |
dc.creator.none.fl_str_mv |
Torres, Alberto Sabier Martinez, Luis Dante Pacheco, Pablo Hugo |
author |
Torres, Alberto Sabier |
author_facet |
Torres, Alberto Sabier Martinez, Luis Dante Pacheco, Pablo Hugo |
author_role |
author |
author2 |
Martinez, Luis Dante Pacheco, Pablo Hugo |
author2_role |
author author |
dc.subject.none.fl_str_mv |
ARSENIC SPECIES ATOMIC SPECTROSCOPY FOOD ANALYSIS FOOD COMPOSITION LIQUID CHROMATOGRAPHY OLIVE OIL |
topic |
ARSENIC SPECIES ATOMIC SPECTROSCOPY FOOD ANALYSIS FOOD COMPOSITION LIQUID CHROMATOGRAPHY OLIVE OIL |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.4 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
Arsenic species were determined in extra virgin olive oils (EVOOs) by two dimension chromatography and atomic spectroscopy: inductively coupled plasma mass spectrometry (ICP MS) and electrothermal atomic absorption spectrometry (ETAAS). A first approach determined total As concentration in EVOOs samples by microwave assisted digestion and ICP MS from 2.01 to 152 μg kg−1. EVOOs with elevated As concentration were selected for protein extraction. In a first dimension, by size exclusion chromatography (SEC) coupled to ICP MS, a fraction of 66 kDa was identified and collected for analysis. Free and proteic As were separated by molecular weight cut off filters. Proteic and free arsenic concentrations determined by ETAAS range from 0.56–4.44 and 0.67-3.89 μg kg−1 of As respectively. Finally in a second dimension, by anion exchange chromatography (AEC) coupled to ICP MS, dimethylarsenate and arsenite were determined in proteic fraction of EVOOs in concentrations of 1.68–2.86 and 0.53–0.55 μg kg−1 respectively. Fil: Torres, Sabier. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Química de San Luis; Argentina Fil: Martínez, Luis D.. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Química de San Luis; Argentina Fil: Pacheco, Pablo Hugo. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Química de San Luis; Argentina |
description |
Arsenic species were determined in extra virgin olive oils (EVOOs) by two dimension chromatography and atomic spectroscopy: inductively coupled plasma mass spectrometry (ICP MS) and electrothermal atomic absorption spectrometry (ETAAS). A first approach determined total As concentration in EVOOs samples by microwave assisted digestion and ICP MS from 2.01 to 152 μg kg−1. EVOOs with elevated As concentration were selected for protein extraction. In a first dimension, by size exclusion chromatography (SEC) coupled to ICP MS, a fraction of 66 kDa was identified and collected for analysis. Free and proteic As were separated by molecular weight cut off filters. Proteic and free arsenic concentrations determined by ETAAS range from 0.56–4.44 and 0.67-3.89 μg kg−1 of As respectively. Finally in a second dimension, by anion exchange chromatography (AEC) coupled to ICP MS, dimethylarsenate and arsenite were determined in proteic fraction of EVOOs in concentrations of 1.68–2.86 and 0.53–0.55 μg kg−1 respectively. |
publishDate |
2018 |
dc.date.none.fl_str_mv |
2018-03-09 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
http://hdl.handle.net/11336/92862 Torres, Alberto Sabier; Martinez, Luis Dante; Pacheco, Pablo Hugo; Determination of arsenic species distribution in extra virgin olive oils from arsenic-endemic areas by dimensional chromatography and atomic spectroscopy; Academic Press Inc Elsevier Science; Journal of Food Composition and Analysis; 66; 9-3-2018; 121-126 0889-1575 0889-1575 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/92862 |
identifier_str_mv |
Torres, Alberto Sabier; Martinez, Luis Dante; Pacheco, Pablo Hugo; Determination of arsenic species distribution in extra virgin olive oils from arsenic-endemic areas by dimensional chromatography and atomic spectroscopy; Academic Press Inc Elsevier Science; Journal of Food Composition and Analysis; 66; 9-3-2018; 121-126 0889-1575 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.jfca.2017.12.011 info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/abs/pii/S0889157517302892 |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
dc.format.none.fl_str_mv |
application/pdf application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Academic Press Inc Elsevier Science |
publisher.none.fl_str_mv |
Academic Press Inc Elsevier Science |
dc.source.none.fl_str_mv |
reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
reponame_str |
CONICET Digital (CONICET) |
collection |
CONICET Digital (CONICET) |
instname_str |
Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.name.fl_str_mv |
CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.mail.fl_str_mv |
dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
_version_ |
1844613211813314560 |
score |
13.070432 |