Determination of inorganic arsenic in Argentinean rice by selective HGAAS: Analytical performance for paddy, brown and polished rice
Inorganic As (iAs) species require strict monitoring in foodstuff due to their toxicity. Rice is of particular concern, with recent legislations establishing limits for these species. In this work we develop a method based on selective hydride generation atomic absorption spectrometry (HGAAS) for th...
| Autores principales: | , , , , , |
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| Formato: | Artículo |
| Lenguaje: | Inglés |
| Publicado: |
Elsevier
2020
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| Materias: | |
| Acceso en línea: | http://hdl.handle.net/20.500.12123/7385 https://www.sciencedirect.com/science/article/abs/pii/S0889157519318733 https://doi.org/10.1016/j.jfca.2020.103506 |
| _version_ | 1855483998771347456 |
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| author | Schlotthauer, Jonatan Brusa, Lucila Liberman, Claudia Alejandra Durand, Mariano Livore, Alberto Blas Sigrist, Mirna |
| author_browse | Brusa, Lucila Durand, Mariano Liberman, Claudia Alejandra Livore, Alberto Blas Schlotthauer, Jonatan Sigrist, Mirna |
| author_facet | Schlotthauer, Jonatan Brusa, Lucila Liberman, Claudia Alejandra Durand, Mariano Livore, Alberto Blas Sigrist, Mirna |
| author_sort | Schlotthauer, Jonatan |
| collection | INTA Digital |
| description | Inorganic As (iAs) species require strict monitoring in foodstuff due to their toxicity. Rice is of particular concern, with recent legislations establishing limits for these species. In this work we develop a method based on selective hydride generation atomic absorption spectrometry (HGAAS) for the determination of iAs in different types of rice (polish, parboiled, brown and paddy rice). The multivariate design of experiments used for optimization showed interactions between different factors involved in hydride generation. Matrix effects were systematically studied, where the flow rate of the carrier gas proved to be a critical parameter for the minimization of matrix interferences. Nevertheless, matrix-matching was found to be necessary for accurate quantification of paddy rice samples. Comparison of the iAs concentrations obtained by HGAAS and HPLC-ICP-MS showed non-significant differences between the methods. Analysis of 86 rice samples from the province of Entre Ríos showed relatively low concentrations of iAs (<282 μg kg−1 for paddy rice and <120 μg kg−1 for polished rice), regardless of total As concentrations (which ranged from 63 μg kg−1 to 932 μg kg−1), suggesting that the rice analyzed tends to accumulate As in its organic forms. |
| format | Artículo |
| id | INTA7385 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2020 |
| publishDateRange | 2020 |
| publishDateSort | 2020 |
| publisher | Elsevier |
| publisherStr | Elsevier |
| record_format | dspace |
| spelling | INTA73852020-06-09T18:44:09Z Determination of inorganic arsenic in Argentinean rice by selective HGAAS: Analytical performance for paddy, brown and polished rice Schlotthauer, Jonatan Brusa, Lucila Liberman, Claudia Alejandra Durand, Mariano Livore, Alberto Blas Sigrist, Mirna Arroz Arsénico Composición de los Alimentos Análisis de Alimentos Rice Arsenic Food Composition Food Analysis Argentina Arsénico Inorgánico Inorganic As (iAs) species require strict monitoring in foodstuff due to their toxicity. Rice is of particular concern, with recent legislations establishing limits for these species. In this work we develop a method based on selective hydride generation atomic absorption spectrometry (HGAAS) for the determination of iAs in different types of rice (polish, parboiled, brown and paddy rice). The multivariate design of experiments used for optimization showed interactions between different factors involved in hydride generation. Matrix effects were systematically studied, where the flow rate of the carrier gas proved to be a critical parameter for the minimization of matrix interferences. Nevertheless, matrix-matching was found to be necessary for accurate quantification of paddy rice samples. Comparison of the iAs concentrations obtained by HGAAS and HPLC-ICP-MS showed non-significant differences between the methods. Analysis of 86 rice samples from the province of Entre Ríos showed relatively low concentrations of iAs (<282 μg kg−1 for paddy rice and <120 μg kg−1 for polished rice), regardless of total As concentrations (which ranged from 63 μg kg−1 to 932 μg kg−1), suggesting that the rice analyzed tends to accumulate As in its organic forms. EEA Concepción del Uruguay Fil: Schlotthauer, Jonatan. Universidad Nacional del Litoral. Facultad de Ingeniería Química. Programa de Investigación y Análisis de Residuos Químicos y Contaminantes; Argentina Fil: Brusa, Lucila. Universidad Nacional del Litoral. Facultad de Ingeniería Química. Programa de Investigación y Análisis de Residuos Químicos y Contaminantes; Argentina Fil: Liberman, Claudia Alejandra. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Concepción del Uruguay; Argentina Fil: Durand, Mariano. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Concepción del Uruguay; Argentina Fil: Livore, Alberto Blas. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Concepción del Uruguay; Argentina Fil: Sigrist, Mirna. Universidad Nacional del Litoral. Facultad de Ingeniería Química. Programa de Investigación y Análisis de Residuos Químicos y Contaminantes; Argentina 2020-06-09T18:22:57Z 2020-06-09T18:22:57Z 2020 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/7385 https://www.sciencedirect.com/science/article/abs/pii/S0889157519318733 0889-1575 https://doi.org/10.1016/j.jfca.2020.103506 eng info:eu-repo/semantics/restrictedAccess application/pdf Elsevier Journal of Food Composition and Analysis 91 : 103506 (August 2020) |
| spellingShingle | Arroz Arsénico Composición de los Alimentos Análisis de Alimentos Rice Arsenic Food Composition Food Analysis Argentina Arsénico Inorgánico Schlotthauer, Jonatan Brusa, Lucila Liberman, Claudia Alejandra Durand, Mariano Livore, Alberto Blas Sigrist, Mirna Determination of inorganic arsenic in Argentinean rice by selective HGAAS: Analytical performance for paddy, brown and polished rice |
| title | Determination of inorganic arsenic in Argentinean rice by selective HGAAS: Analytical performance for paddy, brown and polished rice |
| title_full | Determination of inorganic arsenic in Argentinean rice by selective HGAAS: Analytical performance for paddy, brown and polished rice |
| title_fullStr | Determination of inorganic arsenic in Argentinean rice by selective HGAAS: Analytical performance for paddy, brown and polished rice |
| title_full_unstemmed | Determination of inorganic arsenic in Argentinean rice by selective HGAAS: Analytical performance for paddy, brown and polished rice |
| title_short | Determination of inorganic arsenic in Argentinean rice by selective HGAAS: Analytical performance for paddy, brown and polished rice |
| title_sort | determination of inorganic arsenic in argentinean rice by selective hgaas analytical performance for paddy brown and polished rice |
| topic | Arroz Arsénico Composición de los Alimentos Análisis de Alimentos Rice Arsenic Food Composition Food Analysis Argentina Arsénico Inorgánico |
| url | http://hdl.handle.net/20.500.12123/7385 https://www.sciencedirect.com/science/article/abs/pii/S0889157519318733 https://doi.org/10.1016/j.jfca.2020.103506 |
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