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KMID : 0380619860180040278
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Korean Journal of Food Science and Technology
1986 Volume.18 No. 4 p.278 ~ p.282
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Rheological Properties of Naked Barley Starches
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Abstract
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Rheological properties of naked barley (Songhak and Youngsan) starches were compared. The gelatinized starches at 3∼9% concentration showed a Bingham pseudoplastic behavior. Songhak starch had higher values of consistency index and yield stress than those of Youngsan starch. The dependence of consistency index on concentration was more pronounced in Songhak starch. Consistency index of both starches was exponentially dependent on concentration, but the slopes at 3∼5% and 5∼9% starch concentration were different. The activation energies of 7% for Songhak and Youngsan starches were 4.10 and 3.71 Kcal/mole, respectively.
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