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Analysis of total arsenic content in purchased rice from Ecuador

Author

Listed:
  • Oliva L. Atiaga-Franco

    (Departamento de Ciencias de la Tierra y de la Construcción, Universidad de las Fuerzas Armadas ESPE, Sangolquí, Ecuador
    Departamento de Edafología y Química Agrícola, Facultad de Biología, Universidad de Santiago de Compostela, Santiago de Compostela, Spain)

  • Xose L. Otero

    (Departamento de Edafología y Química Agrícola, Facultad de Biología, Universidad de Santiago de Compostela, Santiago de Compostela, Spain)

  • Alejandrina Gallego-Picó

    (Departamento de Ciencias Analíticas, Facultad de Ciencias, Universidad Nacional de Educación a Distancia, Madrid, Spain)

  • Luis A. Escobar-Castañeda

    (Departamento de Ciencias Exactas, Universidad de las Fuerzas Armadas ESPE, Sangolquí, Ecuador)

  • Juan C. Bravo-Yagüe

    (Departamento de Ciencias Analíticas, Facultad de Ciencias, Universidad Nacional de Educación a Distancia, Madrid, Spain)

  • David Carrera-Villacrés

    (Departamento de Ciencias de la Tierra y de la Construcción, Universidad de las Fuerzas Armadas ESPE, Sangolquí, Ecuador
    Facultad de Ingeniería en Geología Minas Petróleos y Ambiental (FIGEMPA), Universidad Central del Ecuador, Quito, Ecuador)

Abstract

Natural and anthropogenic sources contribute to arsenic contamination in water and human food chain in Andean countries. Human exposure to arsenic via rice consumption is of great concern in countries where this crop is the dominant staple food, and limited information is available on the arsenic contamination on rice in Ecuador. This work was to contribute to the lack of knowledge analysing total arsenic by hydride generation-atomic absorption spectrometry in the samples of white, brown and parboiled rice purchased in Ecuadorian markets and produced in the two main rice wetlands in Ecuador, Guayas and Los Ríos, were carried out. For the samples from Guayas, arsenic concentration in white, brown and parboiled rice were 0.174 ± 0.014, 0.232 ± 0.021, and 0.186 ± 0.017 mg/kg respectively, whereas samples of white rice from Los Ríos showed a total arsenic level of 0.258 ± 0.037 mg/kg. This last arsenic concentration exceeds recommended maximum permissible limit by the FAO/WHO. Obtained data have available to estimate the Ecuadorian dietary exposure revealing serious health risk for population.

Suggested Citation

  • Oliva L. Atiaga-Franco & Xose L. Otero & Alejandrina Gallego-Picó & Luis A. Escobar-Castañeda & Juan C. Bravo-Yagüe & David Carrera-Villacrés, 2019. "Analysis of total arsenic content in purchased rice from Ecuador," Czech Journal of Food Sciences, Czech Academy of Agricultural Sciences, vol. 37(6), pages 425-431.
    • Handle: RePEc:caa:jnlcjf:v:37:y:2019:i:6:id:183-2018-cjfs
    DOI: 10.17221/183/2018-CJFS
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