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Caries Res. 1996;30(1):88-92.

Fluoride content in caffeinated, decaffeinated and herbal teas.

Author information

1
Department of Basic Sciences, University of Texas Houston Health Science Center, USA.

Abstract

The fluoride contents of infusions prepared from 44 different brands and types of teas were measured. Fluoride concentrations ranged from 0.34 to 3.71 ppm (mean = 1.50 ppm) in caffeinated tea infusions, 0.02-0.14 ppm (mean = 0.05 ppm) in herbal tea infusions, and 1.01-5.20 ppm (mean = 3.19) in decaffeinated tea infusions. This is the first report of the fluoride content of decaffeinated teas. The mean fluoride content of decaffeinated tea infusions is significantly (p < 0.01) higher than the corresponding caffeinated tea. The use of mineral water containing a naturally high fluoride level during the process of decaffeination is the most likely explanation of the above observation.

PMID:
8850589
DOI:
10.1159/000262142
[Indexed for MEDLINE]

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