Assessment of Nutritional Availability of Selenium in Selenium-enriched Pumpkin

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著者

    • Sano Kikue SANO Kikue
    • Laboratory of Food and Nutritional Sciences, Department of Biotechnology, Faculty of Engineering, Kansai University
    • FUKUNAGA Kenji
    • Laboratory of Food and Nutritional Sciences, Department of Biotechnology, Faculty of Engineering, Kansai University

抄録

The nutritional availability of selenium(Se)in Se-enriched pumpkin(Se-pumpkin)was assessed by comparing with selenite and Se-enriched <i>Kaiware</i> radish sprouts(Se-sprouts). Male weanling ddY mice were fed a <i>Torula</i> yeast-based Se-deficient diet. After feeding for 3 weeks, mice were divided into 7 groups and fed the basal diet or a diet supplemented with 0.05 or 0.25µg/g of Se as either sodium selenite, Se-pumpkin or Se-sprouts for further one week. Supplementation of Se dose-dependently increased serum and liver Se concentrations and glutathione peroxidase(GPX)activities. In serum Se and GPX, the increases by Se supplementation did not significantly vary with Se source, but in the liver Se and GPX, the increases by selenite supplementation were significantly higher than those by supplementation with Se-pumpkin or Se-sprouts. A difference between the effect of Se-pumpkin and that of Se-sprouts was found in the elevation of liver Se concentration; supplementation with Se-pumpkin caused significantly higher elevation of liver Se than that with Se-sprouts. When liver Se was used, the nutritional availabilities of Se from Se-pumpkin and that Se-sprouts were estimated to be 97% and 65% to selenite Se, respectively. However, when liver GPX was used for the estimation, the availability of Se from either Se-pumpkin or Se-sprouts was less than 50% to selenite Se.

収録刊行物

  • Biomedical research on trace elements

    Biomedical research on trace elements 18(4), 391-394, 2007-12-31

    Japan Society for Biomedical Research on Trace Elements

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各種コード

  • NII論文ID(NAID)
    10021097764
  • NII書誌ID(NCID)
    AN10423256
  • 本文言語コード
    ENG
  • 資料種別
    SHO
  • ISSN
    0916717X
  • NDL 記事登録ID
    9412558
  • NDL 雑誌分類
    ZS8(科学技術--医学--解剖学・生理学・生化学)
  • NDL 請求記号
    Z19-3255
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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