Rheological properties of arrowroot starch suspension
1986
Kim, K. (Chonnam National Univ., Kwangju (Korea R.). Dept. of Food Science and Technology) | Yoon, H.K. (Chungnam National Univ., Taejon (Korea R.). Dept. of Food Science and Technology) | Lee, S.Y. (Kwangwon National Univ., Chunchon (Korea R.). Dept. of Fermentation Technology)
The rheological properties of arrowroot starch suspension were investigated with a tube viscometer. The starch suspensions of less than 4% showed a dilatant behaviour with no yield stress at the temperature range of 30-65 deg C. However, the starch suspension of 6% concentration showed a pseudoplastic behaviour at 65 deg C. The consistency index was exponentially increased with the increase of the starch concentration. The activation energy of flow of the starch suspensions was 0.370-0.399 kcal/ mole at 30 deg C - 60 deg C and 28-60 kcal/ mole at 65 deg C
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