Electrical impedance analysis of pork tissues during storage

  • Xue Bai
  • Jumin Hou
  • Lu Wang
  • Minghui Wang
  • Xia Wang
  • Chunhui Wu
  • Libo Yu
  • Jie Yang
  • Yue Leng
  • Yonghai Sun
Original Paper


To explore the changes in the cell physiological status of pork tissues at different storage stages, electrical impedance spectroscopy (EIS) was used in this study. The measured impedance values were analyzed with equivalent circuit models consisting of several electrical components. In order to model the complex pork tissues accurately, a constant phase element (CPE) was introduced instead of Cm in the conventional Fricke model to reflect the capacitance of cell membrane. R2 values of the real part of impedance were within the range between 0.961 and 0.999, and those for the imaginary part were between 0.730 and 0.999. The results suggested that the modified model with CPE can be further developed to monitor tissues conductivity changes and to evaluate cell physiological status of heterogeneous pork tissues in storage. Control and evaluation of meat maturation state with electrical impedance spectroscopy, which is a convenient and inexpensive method, is feasible and applicable.


Electrical impedance spectroscopy (EIS) Constant phase element (CPE) Heterogeneous pork tissues Meat aging Equivalent circuit model 


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Copyright information

© Springer Science+Business Media, LLC 2017

Authors and Affiliations

  • Xue Bai
    • 1
  • Jumin Hou
    • 1
  • Lu Wang
    • 1
  • Minghui Wang
    • 1
  • Xia Wang
    • 1
  • Chunhui Wu
    • 1
  • Libo Yu
    • 1
  • Jie Yang
    • 1
  • Yue Leng
    • 1
  • Yonghai Sun
    • 1
  1. 1.Department of Food Science and EngineeringJilin UniversityChangchunChina

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