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Conformation of amylose in water. I. Light-scattering and sedimentation-equilibrium measurements

✍ Scribed by M. Kodama; H. Noda; T. Kamata

Publisher
Wiley (John Wiley & Sons)
Year
1978
Tongue
English
Weight
756 KB
Volume
17
Category
Article
ISSN
0006-3525

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✦ Synopsis

Abstract

The conformation of amylose in aqueous solution has been found to be dependent on its molecular weight. When the molecular weight of amylose is outside of the so‐called “dissolving gap” described by Burchard (6500<M~r~<160,000) it behaves as a random coil, whereas when its molecular weight is within the “dissolving gap,” it easily aggregates forming a rigid coil which is the B‐type (retrograded) amylose. The conformation of this rigid coil is suggested to be a double helix.

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