Concentrations of fluoride in wines from the Canary Islands. |
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| Authors: | O B Martínez C Díaz T M Borges E Díaz J P Pérez |
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| Affiliation: | Department of Analytical Chemistry, Nutrition & Food Science, University of La Laguna, Santa Cruz de Tenerife, Spain. |
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| Abstract: | Potentiometry using an ion-selective electrode has widely been used for determining fluoride because of its simplicity and rapidity. The concentration of fluoride was determined (Gran's method) in 70 wines from the main wine-producing regions of the Canary Islands. The mean concentration of fluoride in wines from a region with a high concentration of fluoride in drinking waters was significantly (p < 0.05) higher than those mean concentrations obtained in the remaining wines. Non-important differences were found among the types of wine analysed. However, the fluoride concentrations of all the Canarian wines analysed here did not present a risk for the public health. |
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