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KMID : 0380619840160030314
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Korean Journal of Food Science and Technology
1984 Volume.16 No. 3 p.314 ~ p.318
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Rheological Properties of Gelatinized Chestnut Starch Solution
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Abstract
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Rheological properties of gelatinized chestnut starch solution were investigated with a narrow gap rotational viscometer. The starch solutions at 1.2-1.8% concentration showed pseudoplastic behaviour with yield stress. At higher concentrations (1.65 and 1.8%), the starch solution showed more pseudoplastic tendency and time-dependent characteristics. Values of yield stress were small and independent of concentrations 1.2, 1.35 and 1.5%. Significant increase of yield stress was observed at 1.65% concentration. Consistency index was exponentially dependent on concentration and temperature. The activation energy for 1.65% starch solution was about 5 Kcal/g. ㏖.
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