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| Microrheological properties of organogel formation by rice bran wax |
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| KeyWord:organogel elastic index solid-liquid balance macroscopic viscosity index flow index microrheological property |
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| Abstract: |
| The microrheological properties of organogel prepared by rice bran wax and soybean oil were measured by optical microrheology, and compared with other oils and fats. The results showed that at low temperature (30?℃), the content of rice bran wax was positively correlated with the elastic index and macroscopic viscosity index of organogel, but negatively correlated with solid-liquid balance and flow index. At high temperature (90?℃), the content of rice bran wax was negatively correlated with the elastic index and the solid-liquid balance of organogel, and positively correlated with the macroscopic viscosity index, while it was independent of the flow index. At 30?℃, the elastic index of organogel with rice bran wax content of 2.5%- 5% was close to those of chicken oil, sheep oil, lard and margarine, and the elastic index of organogel with rice bran wax content of 7.5% was close to that of tallow. The results of polarized light microscopy further verified the microrheological properties of the organogel at low temperature. |
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