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Geographical variation in inorganic arsenic in paddy field samples and commercial rice from the Iberian Peninsula


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Title:
Geographical variation in inorganic arsenic in paddy field samples and commercial rice from the Iberian Peninsula
Authors:
Signes-Pastor, Antonio Jose  
Carey, Manus  
Carbonell-Barrachina, Ángel A.  
Moreno-Jiménez, Eduardo  
Green, Andy J.
Meharg, Andrew A.
Editor:
Elsevier
Department:
Departamentos de la UMH::Salud Pública, Historia de la Ciencia y Ginecología
Departamentos de la UMH::Tecnología Agroalimentaria
Issue Date:
2016-02-04
URI:
https://hdl.handle.net/11000/30829
Abstract:
This study investigated total arsenic and arsenic speciation in rice using ion chromatography with mass spectrometric detection (IC-ICP-MS), covering the main rice-growing regions of the Iberian Peninsula in Europe. The main arsenic species found were inorganic and dimethylarsinic acid. Samples surveyed were soil, shoots and field-collected rice grain. From this information soil to plant arsenic transfer was investigated plus the distribution of arsenic in rice across the geographical regions of Spain and Portugal. Commercial polished rice was also obtained from each region and tested for arsenic speciation, showing a positive correlation with field-obtained rice grain. Commercial polished rice had the lowest i-As content in Andalucia, Murcia and Valencia while Extremadura had the highest concentrations. About 26% of commercial rice samples exceeded the permissible concentration for infant food production as governed by the European Commission. Some cadmium data is also presented, available with ICP-MS analyses, and show low concentration in rice samples.
Keywords/Subjects:
Inorganic arsenic
Cadmium
Rice
Soil
Shoots
Iberian Peninsula
Arsenic speciation
Type of document:
application/pdf
Access rights:
info:eu-repo/semantics/closedAccess
Attribution-NonCommercial-NoDerivatives 4.0 Internacional
DOI:
http://dx.doi.org/10.1016/j.foodchem.2016.01.117
Appears in Collections:
Artículos Salud Pública, Historia de la Ciencia y Ginecología



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