β-Glucane Extracted from <i>Pycnoporus Coccineus</i> by Hot Compressed Water and Sodium Hydroxide Solution

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  • OSHIMA Kenji
    Department of Bioengineering, Faculty of Engineering, Nagaoka University of Technology
  • TANAKA Mayumi
    Department of Bioengineering, Faculty of Engineering, Nagaoka University of Technology
  • MATSUMOTO Kazuyori
    Department of Bioengineering, Faculty of Engineering, Nagaoka University of Technology
  • YAMAGUCHI Yu
    Department of Bioengineering, Faculty of Engineering, Nagaoka University of Technology
  • SHIMOMURA Masato
    Department of Bioengineering, Faculty of Engineering, Nagaoka University of Technology
  • MIYAUCHI Shinnosuke
    Department of Bioengineering, Faculty of Engineering, Nagaoka University of Technology

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Other Title
  • ヒイロタケ(<i>Pycnoporus coccineus</i>)から加圧熱水および水酸化ナトリウム溶液により抽出される β-グルカン
  • ヒイロタケ(Pycnoporus coccineus)から加圧熱水および水酸化ナトリウム溶液により抽出されるβ-グルカン
  • ヒイロタケ Pycnoporus coccineus カラ カアツ ネッスイ オヨビ スイサンカ ナトリウム ヨウエキ ニ ヨリ チュウシュツ サレル ベータ グルカン
  • &beta;-Glucane Extracted from <i>Pycnoporus Coccineus</i> by Hot Compressed Water and Sodium Hydroxide Solution

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Description

Polysaccharides extracted from Pycnoporus coccineus by hot compressed water and sodium hydroxide solution involve β-1,3-glucane with β-1,6-linked side chains and/or β-1,4-glucane. The extract of hot compressed water at 200°C was partially decomposed and exhibited an average molecular weight of 7×103. The extracts of 1.25 M NaOH solution also underwent partial decomposition depending on pretreatment with NaClO solution, and the average molecular weight ranged from 9.3×103 to 7.9×104. Measurements of visible absorption spectra of Congo Red with the polysaccharides suggested that the extracted β-1,3-glucane forms triple helix conformations.<br>

Journal

  • KOBUNSHI RONBUNSHU

    KOBUNSHI RONBUNSHU 67 (2), 123-128, 2010

    The Society of Polymer Science, Japan

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