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Estimation of Arsenic Intake from Drinking Water and Food (Raw and Cooked) in a Rural Village of Northern Chile. Urine as a Biomarker of Recent Exposure

Author

Listed:
  • Oscar Pablo Diaz

    (Department of Biology, Faculty of Chemistry and Biology, University of Santiago of Chile, Av. Bernardo O’Higgins 3363, Santiago 9160000, Chile)

  • Rafael Arcos

    (Ealth Service of Calama, Cobija 2188, Calama 1390000, Chile)

  • Yasna Tapia

    (Faculty of Agricultural Science. University of Chile, Av. Santa Rosa 11315, La Pintana 8820000, Santiago, Chile)

  • Rubén Pastene

    (Department of Chemistry of Materials, Faculty of Chemistry and Biology, University of Santiago of Chile, Av. Bernardo O’Higgins 3363, Santiago 9160000, Chile)

  • Dínoraz Velez

    (Instituto de Agroquímica y Tecnología de Alimentos, CSIC. PO Box 73, 46100 Burjassot, Valencia, Spain)

  • Vicenta Devesa

    (Instituto de Agroquímica y Tecnología de Alimentos, CSIC. PO Box 73, 46100 Burjassot, Valencia, Spain)

  • Rosa Montoro

    (Instituto de Agroquímica y Tecnología de Alimentos, CSIC. PO Box 73, 46100 Burjassot, Valencia, Spain)

  • Valeska Aguilera

    (Department of Geographical Engineering, Faculty of Engineering, University of Santiago of Chile, Av. Bernardo O’Higgins 3363, Santiago 9160000, Chile.)

  • Miriam Becerra

    (Department of Geographical Engineering, Faculty of Engineering, University of Santiago of Chile, Av. Bernardo O’Higgins 3363, Santiago 9160000, Chile.)

Abstract

The aim of this study was to estimate both the contribution of drinking water and food (raw and cooked) to the total (t-As) and inorganic (i-As) arsenic intake and the exposure of inhabitants of Socaire, a rural village in Chile´s Antofagasta Region, by using urine as biomarker. The i-As intake from food and water was estimated using samples collected between November 2008 and September 2009. A 24-hour dietary recall questionnaire was given to 20 participants. Drinking water, food (raw and cooked) and urine samples were collected directly from the homes where the interviewees lived. The percentage of i-As/t-As in the drinking water that contributed to the total intake was variable (26.8–92.9). Cereals and vegetables are the food groups that contain higher concentrations of i-As. All of the participants interviewed exceeded the reference intake FAO/OMS (149.8 µg∙i-As·day−1) by approximately nine times. The concentration of t-As in urine in each individual ranged from 78 to 459 ng·mL−1. Estimated As intake from drinking water and food was not associated with total urinary As concentration. The results show that both drinking water and food substantially contribute to i-As intake and an increased exposure risk to adult residents in contaminated areas.

Suggested Citation

  • Oscar Pablo Diaz & Rafael Arcos & Yasna Tapia & Rubén Pastene & Dínoraz Velez & Vicenta Devesa & Rosa Montoro & Valeska Aguilera & Miriam Becerra, 2015. "Estimation of Arsenic Intake from Drinking Water and Food (Raw and Cooked) in a Rural Village of Northern Chile. Urine as a Biomarker of Recent Exposure," IJERPH, MDPI, vol. 12(5), pages 1-20, May.
    • Handle: RePEc:gam:jijerp:v:12:y:2015:i:5:p:5614-5633:d:50027
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    Citations

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    Cited by:

    1. Ping Zhuang & Shuo Sun & Yingwen Li & Feng Li & Bi Zou & Yongxing Li & Hui Mo & Zhian Li, 2018. "Oral Bioaccessibility and Exposure Risk of Metal(loid)s in Local Residents Near a Mining-Impacted Area, Hunan, China," IJERPH, MDPI, vol. 15(8), pages 1-11, July.
    2. José Javier García Salcedo & Taehyun Roh & Lydia Enith Nava Rivera & Nadia Denys Betancourt Martínez & Pilar Carranza Rosales & María Francisco San Miguel Salazar & Mario Alberto Rivera Guillén & Luis, 2022. "Comparative Biomonitoring of Arsenic Exposure in Mothers and Their Neonates in Comarca Lagunera, Mexico," IJERPH, MDPI, vol. 19(23), pages 1-10, December.

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