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中国精品科技期刊2020
丁玲, 焦彩珍, 陈乐乐, 宋珅, 陆树林, 张继. 驴乳的系统流变学性质研究[J]. 食品工业科技, 2020, 41(1): 69-72,78. DOI: 10.13386/j.issn1002-0306.2020.01.012
引用本文: 丁玲, 焦彩珍, 陈乐乐, 宋珅, 陆树林, 张继. 驴乳的系统流变学性质研究[J]. 食品工业科技, 2020, 41(1): 69-72,78. DOI: 10.13386/j.issn1002-0306.2020.01.012
DING Ling, JIAO Cai-zhen, CHEN Le-le, SONG Shen, LU Shu-lin, ZHANG Ji. Study on Systematic Rheological Properties of Donkey Milk[J]. Science and Technology of Food Industry, 2020, 41(1): 69-72,78. DOI: 10.13386/j.issn1002-0306.2020.01.012
Citation: DING Ling, JIAO Cai-zhen, CHEN Le-le, SONG Shen, LU Shu-lin, ZHANG Ji. Study on Systematic Rheological Properties of Donkey Milk[J]. Science and Technology of Food Industry, 2020, 41(1): 69-72,78. DOI: 10.13386/j.issn1002-0306.2020.01.012

驴乳的系统流变学性质研究

Study on Systematic Rheological Properties of Donkey Milk

  • 摘要: 目的:研究不同温度对驴乳流变学性质的影响。方法:选取测试温度为4、20、36、50℃,测试其流动性、触变性、动态粘弹性,并采用流变学模型进行拟合分析。结果:驴乳为非牛顿流体,表现出剪切稀化行为;流动曲线服从Carreau模型,随温度升高,其黏度越小,触变测试中形成的滞后环面积变小;并且在粘弹性测试中4℃的储能模量G'表现出最大值,储能模量G'和损耗模量G″对温度的依赖性较大;4~50℃测量温度范围内驴乳黏度随温度增加逐渐减小。结论:驴乳的流变性对温度的依赖性较大。

     

    Abstract: Objective:To study the effects of different temperatures on the rheological properties of donkey milk. Method:Selecting test temperature 4,20,36,50℃,the fluidity,thixotropy,dynamic viscoelasticity of donkey milk were determined,and the rheological model was used for fitting analysis. Result:Donkey milk was a non-Newtonian fluid and showed shear-thinning behavior and its flow curve obeyed Carreau model,the viscosity decreased and the hysteresis loop area formed in the thixotropic test became smaller with the temperature increasing;In the viscoelasticity test,the storage modulus G' at 4℃ showed a maximum value and the storage modulus G' and the loss modulus G″ were highly dependent on temperature. The viscosity of the donkey milk decreased with the increase of temperature at the temperature range from 4 to 50℃.Conclusion:The rheology of the donkey milk was highly depending on temperature.

     

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