Table 4. Changes in number, diameter, and area of the intracellular space of the cylindrical frozen pork loin microstructure exposed to different tempering treatments

Intracellular space parameter Tempering treatment

Control FC WI Curved-electrode RF

4°C 20°C 4°C 20°C 1000 W 1500 W
Number - 4.80±0.92b1 6.70±1.34a 6.60±1.51a 6.20±1.55a 1.60±1.07c 2.20±0.92c
Diameter (μm) - 34.12±8.62ab 28.17±8.80b 35.11±9.34a 20.92±3.41c 17.14±3.64c 20.27±4.85c
Area (μm2) - 338.32±89.88a 258.11±39.61b 367.27±92.25a 171.26±56.54c 119.85±26.87c 138.01±45.87c