Effects of Constituent Concentration on Rheological Properties of Corn Oil-In-Water Emulsions |
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| Authors: | KANICHI SUZUKI TAKUYA MAEDA KUNIHIKO MATSUOKA KIYOSHI KUBOTA |
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| Affiliation: | The authors are affiliated with the Dept. of Applied Biological Science, Hiroshima Univ., 1-4-4 Kagamiyama, Higashi-Hiroshima, 724 Japan. |
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| Abstract: | Rheological properties were studied with a tube viscometer. Emulsifying agents were soy lecithin and Tween 20. The volume concentration of dispersed phase, φ, ranged from 0.32-0.62. The emulsions behaved as pseudoplastic fluids. The flow behavior index, n, of the lecithin emulsions increased slightly with increasing φ and concentration of emulsifying agent, Ce. However, the n values of Tween 20 emulsions were nearly constant. Apparent viscosity of the emulsions increased with increase of φ and Ce. With φ constant the apparent viscosity was still strongly affected by Ce. |
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