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Conformational study by intrinsic viscosities of the starch-iodine complex

  • Joan-Nan Liang
  • C. J. Knauss
  • R. R. Myers

Abstract

Extensive studies (1–4) of the structure of starch have not been paralleled by studies of the starch-iodine complex beyond the knowledge that the iodine molecule is located within the helix. Rundle et al. (5) proposed that an induced dipole results when iodine molecules are placed inside the helix, where they interact with the field provided by the hydroxyl groups. By contrast, Greenwood et al. (4) proposed a direct oxygen-iodine interaction based on the generation of infrared absorption peaks in the C-O stretching region in the spectra of the solution of iodine in amylose in the dry state. According to a third view (2) the iodine in a complex is simply dissolved in a hydrocarbon solvent.

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Copyright information

© Springer-Verlag Berlin Heidelberg 1975

Authors and Affiliations

  • Joan-Nan Liang
    • 1
  • C. J. Knauss
    • 1
  • R. R. Myers
    • 1
  1. 1.Department of ChemistryKent State UniversityKentUSA

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