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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2018.12
- 수록면
- 199 - 203 (5page)
- DOI
- https://doi.org/10.11149/jkaoh.2018.42.4.199
이용수
초록· 키워드
Objectives: The market for bottled water is increasing steadily in South Korea. Bottled water containsseveral naturally occuring minerals, such as calcium, magnesium, sodium, and fluoride. Fluoride is provento be effective in preventing dental caries. In South Korea, the maximum permissible concentration offluoride is 2 ppm for bottled water and 1.5 ppm for tap water. The aim of this study was to investigatethe fluoride content of different commercially available brands of bottled water in South Korea, andcompare the measured fluoride concentration to the concentration written on the label of each brand ofbottled water.
Methods: Twenty-seven of the 59 different brands of bottled water produced in South Korea wereinvestigated in this study. Three bottles of each brand were purchased from supermarkets, marts, andconvenience stores in each region of Korea in August 2016. For each bottled water brand, the fluoridecontent was measured three times using a fluoride-ion selective electrode (Orion ionplus Fluoride Electrode9609, Orion Research, USA). The calibration curve was generated using 0.2 and 2 ppm standardsolutions, and confirmed using a 1 ppm standard solution.
Results: The mean fluoride content of the 27 brands of bottled water was 0.374±0.332 mg/L(range=0.040 to 1.172 mg/L). The fluoride content was labeled by the manufacturer, on each of thetested brands of bottled water. In eight brands, the labeled fluoride content differed from the experimentaldata. The minimum to maximum fluoride content measured from 10 brands showed a variation of 0.3mg/L or more when compared to the labeled fluoride content.
Conclusions: This study investigated the fluoride content of various brands of bottled water producedin South Korea and compared the measured fluoride levels with fluoride information on the bottle labels.
To ensure that consumers are suitably informed regarding their exposure to fluoride, correct labelling offluoride content in bottled water is important.
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