Molecular Characterization of Soluble Soybean Polysaccharide and Rheological Properties of Its Aqueous Solution

doi:10.7506/spkx1002-6630-201601001

Abstract

Abstract:

The degree of esterification and molecular weight of soluble soybean polysaccharide (SSPS) were measured by
1H-NMR spectroscopy and gel permeation chromatography (GPC), respectively, and the conformation of SSPS in water
and the rheological properties of aqueous SSPS solution were investigated. It was found that the degree of esterification of
SSPS could be determined by using 1H-NMR accurately and rapidly. The experimental results also showed that SSPS chains
exhibited random coils with compact conformation in water, and that SSPS aqueous solutions possessed a very low intrinsic
viscosity, significant shear thinning behavior and thixotropy.

Key words: soluble soybean polysaccharides (SSPS), degree of esterification (DE), molecular parameter, conformation, rheological property

CLC Number:

TS201.7

YANG Huijiao, CAI Zhixiang, ZHANG Hongbin, CHANG Zhongyi. Molecular Characterization of Soluble Soybean Polysaccharide and Rheological Properties of Its Aqueous Solution[J]. FOOD SCIENCE, doi: 10.7506/spkx1002-6630-201601001.

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Molecular Characterization of Soluble Soybean Polysaccharide and Rheological Properties of Its Aqueous Solution

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