Concentration of fluoride in beers and soft drinks consumed in the Autonomous Community of the Canary Islands, Spain

Potentiometric Determination of Fluoride Concentration in Beers

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.

Fluoride content of alcoholic beverages

BACKGROUND

In view of the conflicting reports of the extent and severity of dental caries in alcohol misusing subjects, a systematic survey of the fluoride content of alcoholic beverages was undertaken.

RESULTS

The fluoride content of beverages varied widely particularly if non-UK European products were considered.

CONCLUSIONS

Beers brewed in locations with high fluoride water levels may contribute significantly to the daily fluoride intake, particularly in alcohol misusing subjects and this may contribute to alcohol-associated bone disease.