Balances of Calcium, Magnesium and Phosphorus in Japanese Young Adults
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概要
- 論文の詳細を見る
This study was conducted to estimate the requirements of calcium (Ca), magnesium (Mg) and phosphorus (P) in Japanese young adults. From 1986 to 2000, 109 volunteers (23 males, 86 females), ranging from 18 to 28 y old, took part in mineral balance studies after written informed consent was obtained. The duration of the study periods ranged from 5 to 12 d, with 2-4 d of adaptation. Foodstuffs used in each study were selected from those commercially available. The minerals present in diet, feces, urine and sweat were measured by atomic absorption spectrophotometer (Ca, Mg) or spectrophotometer (P). The dietary intakes of Ca, Mg and P ranged from 4.83-23.58, 2.44-7.83 and 13.46-45.69 mg/kg BW/d, respectively. Dietary intake (Intake) of Ca was positively correlated to apparent absorption (A.A.) (r^2=0.425), which was also correlated with urine excretion (Urine) (r^2 = 0.327) and balance (Bal) (r^2 = 0.382). Intake of Ca was slightly but significantly correlated with Bal (r^2=0.036, p=0.048). The mean value and upper limit of the 95% confidence interval for the regression equation between Intake and Bal when balance is equal to zero (Mean and upper limit) for Ca were 11.752 and 12.555 mg/kg BW/d, respectively. Intake of Mg was positively correlated to A.A. (r^2=0.451), which was also correlated with Urine (r^2=0.486) and Bal (r^2=0.349). However, Intake of Mg was not correlated with Bal. Intake of P was positively correlated with A.A. (r^2 = 0.959), which was also correlated with both Urine (r^2=0.908) and Bal (r^2 = 0.135). Intake of P was slightly but significantly correlated with Bal (r^2 = 0.103, p=0.0013). Mean and upper limits for P were 22.584 and 24.059 mg/kg BW/d, respectively. Intakes of Mg and P correlated negatively with their respective A.A. Rates (%) (r^2 = 0.120 for Mg, r^2 = 0.109 for P). However, there was not much of a correlation for Ca. Balance of Ca was positively correlated with that of Mg (r^2 = 0.541), but not with that of P.
- 日本ビタミン学会の論文
著者
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YAMADA Hideaki
Laboratory of Biocatalytic Chemistry, Biotechnology Research Center, Toyama Prefectural University
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Morikuni Eiko
Laboratory Of Mineral Nutrition Division Of Human Nutrition The Incorporated Administrative Agency O
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Yamada H
Fisheries Res. Inst. Mie Mie Jpn
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NAKASHIMA Mieko
Institute of Applied Biochemistry
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KITAJIMA Hideaki
Laboratory of Nutritional Biochemistry, School of Food and Nutritional Sciences, University of Shizu
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Takeyama Hidemaro
Faculty Of Human Wellness Department Of Registered Dietitians Tokaigakuen University
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Takeyama Hidemaro
Laboratory Of Mineral Nutrition Division Of Human Nutrition The Incorporated Administrative Agency O
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Kodama Naoko
Laboratory Of Mineral Nutrition Division Of Human Nutrition The Incorporated Administrative Agency O
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Suzuki Kazumasa
Laboratory Of Mineral Nutrition Division Of Human Nutrition The Incorporated Administrative Agency O
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Yamada H
Laboratory Of Mineral Nutrition Division Of Human Nutrition Incorporated Administrative Agency Of He
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NISHIMUTA Mamoru
Laboratory of Mineral Nutrition, Division of Human Nutrition, The Incorporated Administrative Agency
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YOSHIOKA Yayoi
Laboratory of Mineral Nutrition, Division of Human Nutrition, The Incorporated Administrative Agency
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Yoshioka Yayoi
Laboratory Of Mineral Nutrition Division Of Human Nutrition The Incorporated Administrative Agency O
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NISHIMUTA MAMORU
Chiba Prefectural University of Health Science
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Kitajima Hideaki
Laboratory Of Mineral Nutrition Division Of Human Nutrition Incorporated Administrative Agency Of He
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Nishimuta M
Division Of Human Nutrition National Institute Of Health And Nutrition
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