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Relation of body mass index to blood folate and total homocysteine concentrations in Japanese adults.


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タイトル: Relation of body mass index to blood folate and total homocysteine concentrations in Japanese adults.
著者: Nakazato, Mio / Maeda, Takahiro / Takamura, Noboru / Wada, Mitsuhiro / Yamasaki, Hironori / Johnston, Kelley E / Tamura, Tsunenobu
発行日: 2011年10月
出版者: Springer-Verlag
引用: European journal of nutrition, 50(7), pp.581-585; 2011
抄録: PURPOSE: Plasma folate concentrations are suggested to be negatively associated with body mass index (BMI, kg/m(2)), although these findings are controversial. Our objective was to evaluate the association of BMI with blood folate and total homocysteine (tHcy) concentrations. METHODS: We measured plasma and erythrocyte folate and plasma tHcy concentrations in 434 healthy adults (343 women and 91 men; mean age of 63.8 ± 10.7 [SD, range 23-88] years), who participated in a 2007 population-based survey in western Japan. RESULTS: The overall mean plasma and erythrocyte folate and tHcy were 21.6 (±11.0, SD) nmol/L, 844 (±291) nmol/L and 11.6 (±3.9) μmol/L, respectively. The mean BMI was 22.8 (±3.0; 15.6-33.3) kg/m(2), and only 72 subjects (17%) had BMI > 26.0 kg/m(2). Mean plasma folate decreased as BMI increased (p-trend < 0.01), whereas mean erythrocyte folate and plasma tHcy were similar regardless of BMI (p-trends = 0.49 and 0.28, respectively). CONCLUSION: Our data indicate that the interpretation of plasma folate concentrations to assess folate nutritional status is complicated by BMI, although the impact of BMI on plasma folate was relatively small. It is important to take this association into account for the selection of subjects for future large-scale studies. The mechanism of this inverse association between BMI and plasma folate concentrations should be investigated.
キーワード: Blood / Body mass index / Folate / Homocysteine / Human
URI: http://hdl.handle.net/10069/24792
ISSN: 14366207
DOI: 10.1007/s00394-010-0165-0
PubMed ID: 21221977
権利: © Springer-Verlag 2011 / The original publication is available at www.springerlink.com
資料タイプ: Journal Article
原稿種類: author
出現コレクション:110 学術雑誌論文

引用URI : http://hdl.handle.net/10069/24792

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