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시판 차 음료 속에 함유된 불소의 농도 측정 및 연령별 불소섭취량 추정
한동헌 ( Dong Hun Han ),이운정 ( Un Jung Lee ),김동현 ( Dong Hyun Kim ),김민지 ( Min Ji Kim ),황수정 ( Su Jung Hwang ),김진범 ( Jin Bom Kim ) 대한예방치과·구강보건학회 2010 大韓口腔保健學會誌 Vol.34 No.3
Objectives. The purpose of this study was to analyze the fluoride concentrations of tea drinks which were commercially available in Korea in 2009 and to predict amount of daily fluoride intake from tea drink according to different age groups. Methods. The fluoride concentrations of 20 kinds of tea drinks were assessed by a fluoride ion selective electrode. The estimates of daily fluoride intake were assumed by Dietary Reference Intakes for Koreans 2005. Results. The fluoride concentrations of tea drinks were 0.03~1.72 ppm (mean 0.51 ppm). The calculated amount of daily fluoride intake which were supposed to drink all the sufficient water intake by tea drink of 1.72 ppm fluoride were over maximum intake of fluoride under 9 years olds and over sufficient intake of fluoride in all age groups. Those of 0.51 ppm fluoride were under maximum intake of fluoride in all age groups and over sufficient intake of fluoride under 5 months olds infants. Conclusions. Based on this study, most of the tea drink in Korea contained the appropriate concentration of fluoride. However, consuming some tea drink available in Korean market in large quantities may lead to exposion to a high amount of fluoride which may cause dental fluorosis in infants and young children. Although most of tea drinks are safer to consume, fluoride concentrations of some tea drinks are too low for caries prevention. In countries such as Korea where tea is traditionally consumed, the fluoride concentration and daily safety precautions should be indicated on tea products.