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Potentiometric Determination of Fluoride Concentration in Beers

A Correction to this article was published on 21 November 2017

This article has been updated

Abstract

Beer is a widely consumed drink throughout the world, and because its manufacture involves the use of water, beer can be, in some cases, a source of fluorides. For this reason, the objective of this study was to determine the concentration of fluorides in 50 samples of beers from different sources sold in two different types of container (aluminum can and glass bottle). The possible significant differences between the different types of packaging and the intake of fluoride from the consumption of these beers were evaluated. The concentration of fluoride in beers has been determined using the potentiometric method of fluoride determination by standard addition. The concentration of fluoride ranged between 0.06 and 1.77 mg/L. In general, the concentration was below 1 mg/L, except for three beer samples from Ireland and the USA, whose concentration was over 1.5 mg/L. No significant differences were found between the types of packaging. The contribution of fluoride to the diet from beer consumption is not high (<27%); however, it is necessary to warn consumers whenever they are in areas of high concentrations of fluoride in the water supply.

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  • 21 November 2017

    The original version of the article unfortunately contained a mistake. The first author Inmaculada Gutiérrez was omitted.

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Correspondence to Angel José Gutiérrez.

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A correction to this article is available online at https://doi.org/10.1007/s12011-017-1191-z.

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Jaudenes, J.R., Hardisson, A., Paz, S. et al. Potentiometric Determination of Fluoride Concentration in Beers. Biol Trace Elem Res 181, 178–183 (2018). https://doi.org/10.1007/s12011-017-1029-8

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  • DOI: https://doi.org/10.1007/s12011-017-1029-8

Keywords

  • Beers
  • Fluoride
  • Dietary intake
  • Fluoride selective electrode