Study on shear rheological behavior of konjac glucomannan

文献类型： 外文期刊

第一作者： Wang Chao

作者： Wang Chao;Xu Mei;Zhu Yu-peng;Liang Ting-ting;Qiao Yu

作者机构：

关键词： konjac glucomannan;shear rheological behavior;non-linear change tendencies;concentration effect;temperature effect

期刊名称：ADVANCES IN MECHANICAL ENGINEERING, PTS 1-3

ISSN： 1660-9336

年卷期： 2011 年 52-54 卷

页码：

收录情况： SCI

摘要： Konjac glucomannan (KGM) belongs to pseucloplastic fluid. Remarkable non-linear change tendencies of shear rheological behavior of KGM were detected through analysis of the correlation of viscosity (eta)-shear rates and shear stress-shear rates respectively, and its shear rheological curves conformed to the Power Law (tau=KDn). The change tendencies of viscosity factor (K) and flow index (n) correlated with concentration and temperature were also obtained, the curves can be fitted by power and quadratic polynomial equation respectively. The acquired non-linear correlation curves of K and n can provide reliable foundation for rational applications of KGM in food industry and its grade estimation.

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