Korean Journal of Community Nutrition

Original Article

[English]
Daily Water Consumption and its Contribution to Calcium Intake in Korean Adults: Eun Sun Park, Yeon Kyung Lee, Mi Hyun Kim, Mi Kyeong Choi; Korean J Community Nutr 2019;24(1):18-23. Published online February 28, 2019; DOI: https://doi.org/10.5720/kjcn.2019.24.1.18

OBJECTIVES
Although water is essential for life and can supply essential minerals, studies that evaluate calcium intake through drinking water are limited. The aim of this study was to assess calcium contents of natural mineral water (NMW) and its possible contribution to calcium intake in healthy adults.
METHODS
This study examined water consumption in 640 Korean adults with selfselected diet, analyzed the calcium content of 10 different brands of bottled NMWs sold in Korea, and assessed the amount of calcium intake from drinking water and its daily contribution to the recommended nutrient intake (RNI) of calcium.
RESULTS
Mean calcium content in 10 bottled NMWs was 20.9 mg/l. Daily water intakes from food composition database and calculated using energy intake based on 0.53 ml/kcal were 957.2 ml and 1109.8 ml for men and 848.3 ml and 951.6 ml for women, respectively, with a significant difference by gender (p < 0.001). Daily drinking water intake was significantly higher among men than women (1203.9 ml vs. 1004.3 ml, respectively, p < 0.001). Daily calcium intakes from foods were 564.0 mg for men and 534.2 mg for women. Daily possible calcium intakes from drinking bottled water were 25.2 mg for men and 21.0 mg for women (p < 0.001). The contribution of daily calcium intake from drinking bottled water to RNI of calcium was 3.3% for men and 2.9% for women without significant difference.
CONCLUSIONS
One half of the daily total water intake was consumed as drinking water, and possible calcium intake through drinking water was about 3% of RNI.

Citations

Citations to this article as recorded by

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