Xylitol Separation from a Polyol Mixture Using Lanthanide Ion-loaded Resins

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  • KITAMURA Yusuke
    Division of Materials Science and Chemistry, Faculty of Advanced Science and Technology, Kumamoto University
  • SHOBU Rika
    Division of Materials Science and Chemistry, Faculty of Advanced Science and Technology, Kumamoto University
  • MATSUURA Hirotaka
    Division of Materials Science and Chemistry, Faculty of Advanced Science and Technology, Kumamoto University
  • JYO Akinori
    Division of Materials Science and Chemistry, Faculty of Advanced Science and Technology, Kumamoto University
  • IHARA Toshihiro
    Division of Materials Science and Chemistry, Faculty of Advanced Science and Technology, Kumamoto University

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<p>Xylitol separation from a polyol mixture of the byproducts from bioethanol production processes was performed by liquid chromatography using short columns packed with lanthanide ion-loaded ion-exchange resins. Xylitol was successfully separated with sufficiently high resolution using adsorbents with medium rare-earth metal ions, such as Nd3+ and Sm3+. The adsorbents’ specific nature is explained by the so-called “gadolinium break,” which is known as a discontinuous behavior of thermodynamic parameters in complexation of the lanthanide series. From the observed behavior, the optimum lanthanide ions could be chosen to prepare appropriate adsorbents for ligand-exchange chromatography of given polyol mixtures.</p>

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  • Analytical Sciences

    Analytical Sciences 36 (6), 769-773, 2020-06-10

    社団法人 日本分析化学会

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