Dietary flavonoids improve urinary arsenic elimination among Mexican women
Rothenberg, Stephen J
Cebrián, Mariano E
Gandolfi, A Jay
AffiliationUniv Arizona, Coll Pharm, Dept Pharmacol & Toxicol
MetadataShow full item record
PublisherPERGAMON-ELSEVIER SCIENCE LTD
CitationQuiller, G., Mérida-Ortega, Á., Rothenberg, S. J., Cebrián, M. E., Gandolfi, A. J., Franco-Marina, F., & López-Carrillo, L. (2018). Dietary flavonoids improve urinary arsenic elimination among Mexican women. Nutrition research, 55, 65-71.
Rights© 2018 Elsevier Inc. All rights reserved.
Collection InformationThis item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at firstname.lastname@example.org.
AbstractInorganic arsenic (iAs) exposure increases risk of several diseases, including cancer. Some nutrients such as flavonoids enhance glutathione activity, which in turn play a key role in iAs elimination. Our objective was to explore whether dietary non-soy flavonoids are associated with iAs metabolism. We hypothesized that the intake of flavonoids belonging to the following groups, flavan-3-ols, flavone, flavonol, flavanone, and anthocyanidin, is positively associated with urinary dimethylarsinic acid (DMA), which is the most soluble iAs metabolite excreted. We performed a cross-sectional study that included 1027 women living in an arsenic-contaminated area of northern Mexico. Flavonoid intake was estimated using a validated food frequency questionnaire. Concentration of urinary iAs and its metabolites (monomethylarsonic acid and DMA) were determined by high performance liquid chromatography ICP-MS. Results showed positive significant associations between DMA and the flavonoid groups flava-3-ols (beta= 0.0112) and flavones (beta= 0.0144), as well as the individual intake of apigenin (beta= 0.0115), luteolin (beta= 0.0138), and eriodictyol (beta= 0.0026). Our findings suggest that certain non-soy flavonoids may improve iAs elimination; however, there is still very limited information available regarding the consumption of flavonoids and iAs metabolism. (C) 2018 Elsevier Inc. All rights reserved.
Note12 month embargo; available online 21 April 2018.
VersionFinal accepted manuscript
SponsorsCONACYT Fondo Sectorial de Investigacion en Salud y Seguridad Social [2005-2-14373, 2009-1-111384, 2010-1-140962, POCPN 2013-01-215464, FOSISS 272632]; National Center on Minority Health and Health Disparities of the National Institutes of Health [MD 001452]
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