Effects of Dietary Phosphorus Intake on Bone Mineralization and Calcium Absorption in Adult Female Rats
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概要
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We investigated the effects of dietary phosphorus (P) intake on the bone mineralization and calcium (Ca) absorption in adult female rats. Fifteen 16-wk-old female Wistar rats were divided into three groups, and respectively fed a low-P diet containing 0.15% P (LP), a control diet containing 0.5% P (C), and a high-P diet containing 1.5% P (HP) for 42 d. The apparent Ca absorption was significantly increased with decreasing dietary P level. The serum parathyroid hormone concentration was significantly lower in the LP group than in the C and HP groups. The serum osteocalcin concentration and urinary excretion of deoxypyridinoline were significantly higher in the HP groups than in the LP and C groups. The bone mineral density of the fifth lumbar vertebra was significantly increased with decreasing dietary P level. These results indicate that the low-P diet increased Ca absorption, this being effective for bone mineralization in adult female rats.
- 社団法人 日本農芸化学会の論文
- 2005-05-23
著者
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UEHARA Mariko
Department of Astrophysics, Nagoya University
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Uehara Mariko
Department Of Nutritional Science Tokyo University Of Agriculture
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Uehara Mariko
東京農業大学 農学部栄養科学科
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Suzuki Kazuharu
Department Of Nutritional Science Tokyo University Of Agriculture
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Suzuki Kazuharu
東京農業大学 農学部栄養科学科
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KATSUMATA Shin-ichi
Department of Nutritional Science, Tokyo University of Agriculture
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KOSHIHARA Moyuru
Department of Nutritional Science, Faculty of Applied Bioscience, Tokyo University of Agriculture
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Suzuki K
Department Of Applied Biological Chemistry Faculty Of Agriculture Niigata University
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Suzuki K
Univ. Tokyo Tokyo
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Uehara Mariko
Department Of Astrophysics Nagoya University
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Suzuki K
Taisho Pharmaceutical Co. Ltd. Saitama Jpn
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Suzuki Kazushi
Department Of Applied Biological Chemistry Faculty Of Agriculture Niigata University:(present Addres
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Suzuki Kazushi
Department Of Agricultural Chemistry Faculty Of Agriculture Niigata University
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Suzuki K
Department Of Nutritional Science Tokyo University Of Agriculture
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Suzuki K
Laboratory Of Molecular Structure And Function Department Of Molecular Biology Institute Of Molecula
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Katsumata Shin-ichi
Department Of Nutritional Science Tokyo University Of Agriculture
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Koshihara Moyuru
Department Of Nutritional Science Faculty Of Applied Bioscience Tokyo University Of Agriculture
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Sakurai K
Department Of Nutritional Science Tokyo University Of Agriculture
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Suzuki Kazuharu
Department Of Nutritional Science Faculty Of Applied Bioscience Tokyo University Of Agriculture
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SUZUKI Kazuharu
Department of Nutrition, Faculty of Agriculture
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