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  • Title: Mutarotation in D-fructose melt monitored by dielectric spectroscopy.
    Author: Wlodarczyk P, Kaminski K, Paluch M, Ziolo J.
    Journal: J Phys Chem B; 2009 Apr 02; 113(13):4379-83. PubMed ID: 19253978.
    Abstract:
    Broadband dielectric spectroscopy was employed to investigate the kinetics of the mutarotation of D-fructose. In this article, D-fructose tautomerization behavior in pure melt is revealed. By monitoring structural relaxation time shift, we were able to determine speed in temperature range 303-333 K and the activation energy for this phenomenon. It is equal to 107 kJ/mol, which is very high in comparison to the solvated system. We have also shown the influence of this process to the gamma-relaxation (secondary relaxation process). Dielectric spectroscopy derived complex information about mutarotational dynamics.
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