Journal of the Korean Academy of Pediatric Dentistry 2009;36(3):404-411.
Published online August 31, 2009.
THE STUDY FOR THE MINERAL CONTENTS OF BOTTLED WATER
Yu-Ryeo So, Byeoug-Ju Baik, Jae-Gon Kim, Yeon-Mi Yang, Ha-Na Kim
Department of Pediatric Dentistry and Oral Bioscience, School of Dentistry, Chonbuk National University 
Correspondence:  Byeoug-Ju Baik,  Tel: 063-250-2215, Email: bjbaik@moak.chonbuk.ac.kr
Received: 12 March 2009   • Accepted: 8 July 2009
Abstract
Drinking water has lots of minerals, especially calcium, sodium, kalium, magnesium, and fluoride must be labelled on the bottle about their contents. Minerals like calcium, magnesium, and fluoride have influence to the tooth development. Appropriately taking some minerals, dental caries can be prevented somewhat degree. There is no guide line about innoxious minerals like calcium and magnesium, however, noxious mineral like fluoride, should be contained less than 2 mgF/L according to the current drinking water standard. Hereupon, it is necessary to recognize the concentration of fluoride in drinking water, so I studied 15 samples of domestic drinking water on sale about the concentration of calcium and magnesium, fluoride. The results obtained were as follows ; 1. 14 drinking waters in 15 samples showed various Ca concentration. The average Ca concentration is 34.68 ±31.84 mg/L, the highest is 128.91±1.85 mg/L and the lowest is 2.0±0.02 mg/L. 2. 13 drinking waters in 15 samples indicate the Mg concentration. The average concentration is 9.22±11.06 mg/L, the highest is 30.43±0.75 mg/L and the lowest is 0.0 mg/L. 3. 11 drinking waters in 15 samples indicate the F concentration. The average concentration is 0.25±0.33 mg/L, the highest is 1.13±0.04 mg/L and the lowest is 0.01±0.03 mg/L. All samples are satisfied the current drinking water standard, 2 mg F/L.
Key Words: Bottled water, Fluoride, Calcium, Magnesium


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