Rheological Properties of Taro Pulp

doi:10.7506/spkx1002-6630-201507007

Abstract

Abstract:

Our present work evaluated the rheological properties of taro pulp at different concentrations and temperatures.
Static rheological tests showed that taro pulp was a pseudoplastic non-Newtonian fluid and could be fitted by Herschel-Bulkley
model within the corresponding ranges of temperature (0?80 ℃) and concentration (10%–30%). An increase in taro pulp
concentration enhanced its non-Newtonian characteristics, increased its viscosity coefficient and shear stress and decreased its
rheological index, while higher temperature could result in higher rheological index, lower non-Newtonian fluidity and smaller
viscosity coefficient. The Arrhenius equation could accurately describe the relationship between temperature and viscosity
coefficient of taro pulp. Dynamic rheological tests showed that taro pulp had weak gel-like properties.

Key words: taro pulp, rheological properties, Herschel-Bulkley model, gel-like properties

CLC Number:

TS201.7

YU Zhenyu, JIANG Shaotong*, PAN Lijun, DAI Yuanyuan, Lü Xiaying. Rheological Properties of Taro Pulp[J]. FOOD SCIENCE, doi: 10.7506/spkx1002-6630-201507007.

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Rheological Properties of Taro Pulp

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