Fluoride concentration in commonly consumed infant juices
Samah Omar1, Jung-Wei Chen2, Bonnie Nelson2
1Department of Pediatric Dentistry, in the School of Dentistry, Loma Linda University, Loma Linda, Calif., USA. somar@llu.edu.
Journal of Dentistry for Children (Chicago, Ill.)
|April 9, 2014
Summary
Fluoride is present in infant juices, with levels varying by brand and flavor. While generally safe, excessive consumption by infants under six months may pose a risk for fluorosis.
Area of Science:
- Pediatric Nutrition
- Dental Public Health
- Food Chemistry
Background:
- Infant fruit juices are commonly consumed beverages.
- Fluoride intake is crucial for dental health but excessive amounts can lead to fluorosis.
- Understanding fluoride levels in infant products is important for parental guidance.
Purpose of the Study:
- To quantify fluoride concentrations in popular commercial infant fruit juices.
- To identify significant variations in fluoride levels across different juice brands and flavors.
Main Methods:
- Analysis of 90 infant juice samples from three major manufacturers.
- Utilized the Taves microdiffusion method for accurate fluoride measurement.
- Calculated fluoride content per serving and compared it to recommended daily intake levels.
Main Results:
- Fluoride concentrations ranged from 0.11 to 1.81 ppm (mean 0.75 ppm).
- Significant differences in fluoride levels were observed between manufacturers (P<.001).
- Gerber juices (mean 1.1 ppm) had higher fluoride than Beechnut (mean 0.43 ppm) and Earth's Best (mean 0.34 ppm).
Conclusions:
- All tested infant juices contained fluoride, with notable variations among brands and flavors.
- Fluoride levels in individual servings were below recommended daily intake.
- High consumption of certain infant juices by infants under six months may increase fluorosis risk when combined with other fluoride sources.
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