Hydration characteristics of carbohydrates and physiological functions of trehalose.

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  • SAKURAI Minoru
    Department of Biomolecular Engineering, Tokyo Institute of Technology
  • INOUE Yoshio
    Department of Biomolecular Engineering, Tokyo Institute of Technology

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Other Title
  • 糖の水和とトレハロースの生理機能
  • トウ ノ スイワ ト トレハロース ノ セイリ キノウ

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Abstract

First, two representative models to rationalize hydration characteristics of carbohydrates are briefly reviewed. One is a model focusing on the ratio of axial versus equatorial hydroxyl groups. The other is based on the compatibility with water structure depending on the position of the next nearest neighbor hydroxyl groups of a carbohydrate molecule. Next, the hydration property of trehalose is compared with those of maltose and sucrose. Consequently, it is concluded that trehalose is a strong water-structure maker and this property is responsible for its function as a stress protectant of biological materials.

Journal

  • Seibutsu Butsuri

    Seibutsu Butsuri 37 (1), 326-330, 1997

    The Biophysical Society of Japan General Incorporated Association

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