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KMID : 0664320100160020116
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Journal of the Korean Dietetic Association
2010 Volume.16 No. 2 p.116 ~ p.121
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Mineral Contents in Bottled Natural Water and Estimation of Their Intake by Korean Adults
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Kim Moo-Kyung
Kim Myung-Hee
Choi Mi-Kyeong
Sim Jin-Ah
Eom Hee-Jung
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Abstract
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Minerals play an important role in the body as essential nutrients. However, it is not easy to meet DRIs because food sources of minerals are limited. Recently, consumption of bottled natural water has been increasing in Korea due to water pollution and distrust of tap water. The present study was conducted to investigate mineral contents in bottled natural water and their intakes among Korean adults. We analyzed eight minerals in seven kinds of bottled natural water by ICP-spectrometry and conducted a survey on the intake status of water and bottled natural water with 400 Korean young adults. The mean contents of Ca, Mg, Fe, Zn, Cu, Mn, Se, and Mo in bottled natural water were 22.45±22.48 mg/L, 10.59±9.97 mg/L, 0.27±0.18 μg/L, 2.06±1.48 μg/L, 5.47±0.70 μg/L, 1.43±0.37 μg/L, 1.90±0.96 μg/L, and 3.34±0.79 μg/L, respectively. The mean age, height, weight, and BMI were 22.76 years, 174.94 cm, 68.64 kg, and 22.41 kg/m2 for males (n=150) and 21.25 years, 162.04 cm, 51.05 kg, and 19.46 kg/m2 for females (n=250), respectively. The respective daily intakes of total water and bottled natural water as water itself were 670.30 ml and 212.20 ml for males and 488.04 ml and 132.72 ml for females. The daily intakes of Ca, Mg, Fe, Zn, Cu, Mn, Se, and Mo from bottled natural water were 4.76 mg, 2.25 mg, 0.06 μg, 0.44 μg, 1.16 μg, 0.30 μg, 0.40 μg, and 0.71 μg for males and 2.98 μg, 1.41 mg, 0.04 μg, 0.27 μg, 0.73 μg, 0.19 μg, 0.25 μg, and 0.44 μg for females, respectively. Overall, the contents of Ca, Mg, and Se in bottled natural water were relatively high and the daily intakes of these minerals were 0.4∼1.0% of the DRIs.
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KEYWORD
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minerals, bottled natural water, water intake, mineral intake
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