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KMID : 0380619850170030131
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Korean Journal of Food Science and Technology
1985 Volume.17 No. 3 p.131 ~ p.134
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Rheological Studies on Barley Starch - Water Systems
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Abstract
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The rheological studies on dilute and concentrate solutions of naked and covered barley starches were carried out with various viscosimeters. The rheology of dilute solutions (0.05-0.3%) were characterized by intrinsic viscosity and related parameter according to Huggins equation. Also, the rheology of the solutions of higher concentrations (1-5%) were characterized by time dependent characteristics and pseudoplastic behaviors. The values of consistency index according to the power equation were exponen tially dependent upon concentration and temperature. The results showed that the rheological propert ies could differ greatly due to difference in varieties. The naked barley starch exhibited higher int rinsic viscosity, more thixotropic behavior and more dependence of consistency index on concentra tion and temperature than the covered barley starch.
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