光合成培養におけるユーグレナの抗酸化ビタミン量への光質とCO_2濃度の影響 Effect of Light Quality and CO_2 Concentration on Antioxidant Vitamin Contents in Autotrophycally Cultured Euglena gracilis

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It has been reported that <I>Euglena</I> contained ascorbic acid (AsA), α-tocopherol (α-toc) and β-carotene (β-car) asantioxidant vitamins. These vitamins contribute to the available antioxidant and nutritional resources in human and animal bodies. In the present study, we investigated the effects of light quality and CO<SUB>2</SUB> concentration (0.04 % and 10 %) on the production of these vitamins, and compared the vitamin contents in <I>Euglena</I> with those in other food sources to verify the availability of <I>Euglena</I> as an antioxidant vitamin source. Under the CO<SUB>2</SUB> concentration of 0.04 %, vitamin contents in <I>Euglena</I> cultured in blue light were AsA 746 μg 10<SUP>9</SUP> cells<SUP>-1</SUP>, α-toc 704 μg 10<SUP>9</SUP> cells<SUP>-1</SUP>, β-car 513 μg 10<SUP>9</SUP> cells<SUP>-1</SUP>, respectivery, higher than those in other LED light conditions. Whereas under the CO<SUB>2</SUB> concentration of 10 %, vitamin contents in <I>Euglena</I> cultured in blue light were AsA 231 μg 10<SUP>9</SUP> cells<SUP>-1</SUP>, α-toc 221 μg 10<SUP>9</SUP> cells<SUP>-1</SUP>, β-car 208 μg 10<SUP>9</SUP> cells<SUP>-1</SUP>, respectivery, lower than those in ordinary air conditions (with 0.04 % CO<SUB>2</SUB>). No significant differences in vitamin contents were found between the four light quality treatments under the CO<SUB>2</SUB> concentration of 10 %. In addition, vitamin contents in <I>Euglena</I> cultured in blue light under the CO<SUB>2</SUB> concentration of 0.04 % were also compared with those in other foods that are more popularly used as vitamin sources. It was concluded that <I>Euglena</I> would be good vitamin source when they are cultured in blue light under the ordinary air condition (with CO<SUB>2</SUB> concentration of 0.04 %).

収録刊行物

  • Eco-engineering = 生態工学  

    Eco-engineering = 生態工学 19(1), 33-38, 2007-01-31 

    The Society of Eco-Engineering

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各種コード

  • NII論文ID(NAID)
    10018499340
  • NII書誌ID(NCID)
    AA12005685
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    13470485
  • NDL 記事登録ID
    8675645
  • NDL 雑誌分類
    ZM33(科学技術--宇宙科学) // ZR1(科学技術--生物学)
  • NDL 請求記号
    Z15-644
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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