Evaluation the rheological properties of a stabilizer in corresponding solutions and emulsions
Publish Year: 1391
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
IECFP01_048
تاریخ نمایه سازی: 22 مهر 1394
Abstract:
In this study, it was aimed to compare the rheological properties of Carboxymethylcellulose (CMC) in aqueous solutions and their corresponding emulsions containing 0.05, 0.1, 0.25 and 0.5% CMC in the aqueous phase. Samples with 0.05 and 0.1% CMC showed Newtonian behavior but shear-thinning behavior was observed in CMC solutions and emulsions with increasing CMC concentrations to 0.25 and 0.5%. Rheological behavior of all samples were modeled by Power law (R²= 0.986–197) and Casson models (R²= 0.968–1). According to ‘‘Ostwald–de Waele’’ model, the consistency index of all samples was increased and the flow behavior index decreased with increasing CMC concentration. Addition of CMC increased the emulsion stability of O/W emulsions. This stability was increased with increasing CMC concentrations.
Authors
Sedigheh Amiri
Department of Food Science and Technology Yasooj Branch, Islamic Azad university Yasooj, Iran
Mohsen Radi
Department of Food Science and Technology Yasooj Branch, Islamic Azad university Yasooj, Iran
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