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31.
The flow behaviour characteristics of native, hydroxypropyl starches and their calcium complexes were determined at different levels of starch concentrations, temperatures and shear rates. Hydroxypropyl starch with different Molar Substitution (MS = 0.02–0.12) were used. Both native and hydroxypropyl starch were treated with varying amount of calcium (50–250 μg/g starch). Flow properties were affected due to hydroxypropylation and their calcium treatment. The flow properties were evaluated by power law equation. 相似文献