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나트륨 섭취량 추정을 위한 소변 중 Cl<sup>-</sup>의 간이적 측정방법의 유용성 검증
이성호,이채준,주성미,이현주,라왕연,김순옥,Lee, Sung-Ho,Lee, Chae-Joon,Ju, Sung-Mi,Lee, Hyun-Joo,Ra, Wang-Yeon,Kim, Soon-Ok 한국식품영양학회 2016 韓國食品營養學會誌 Vol.29 No.1
The purpose of this study was to measure concentrations of $K^+$, $Na^+$, $Cl^-$ by ionometer with check salt strip, simple salimeter and Ion-selective electrode (ISE) and compare the results of each mensuration; furthermore, the possibility of inferring the $Na^+$ concentration from $Cl^-$ concentration of urine and the impact of $K^+$ on the concentration of each ion was examined. The results showed that ISE determined $Na^+$ and $Cl^-$ concentrations in the urine are highly interrelated (R=0.9039); in addition, concentrations of $Cl^-$, measured with strip and ISE from urine are highly interrelated (R=0.9338). The concentration of $Na^+$ in urine, inferred by measuring $Cl^-$ concentration with strip, has a high relationship (R=0.8580) with the concentration of $Na^+$ in urine, measured by ISE. The results of our study will increase awareness of $Na^+$ intake and the utility of check salt strip, as well as the possibility of inferred $Na^+$ concentration from measures of $Cl^-$ concentration as a screening test for reducing sodium intake.