Table 2. Effect of PEF on the tenderization of different muscles

Meat materials PEF condition Sample status Findings References
Semitendinosus (beef) 30 μs, 50 Hz, 0.5 to 2.0 kV/cm, 100 pulses Post-rigor, sample size was trimmed to 2×1×1 cm, direct contact with the electrodes Significant reduction of shear force, hardness, and chewiness of raw meat Jeong et al. (2023)
Transversus thoracis muscle (beef) 20 μs, 50 Hz, 0.7 kV/cm, 1,600 and 5,200 pulses Post-rigor, sample was cut into 5 cm width pieces treated in a batch chamber filled with agar pads as medium Significant reduction of hardness in high-intensity PEF-treated meat after sous-vide cooking Karki et al. (2023)
Semitendinosus (beef) 20 μs, 50 Hz, 1.0 to 2.0 kV/cm, 200 pulses Post-rigor, sample size was trimmed to 6×3×3 cm, treated in a batch chamber filled with tap water Significant reduction of shear force and hardness both in raw and sous-vide cooked meat Jeong et al. (2020)
Longissimus lumborum and semimembranosus (beef) Repeated treatment (1×, 2×, 3×) 20 μs, 90 Hz, 1.25 kV/cm Total treatment time: 30s Pre-rigor, sample size was trimmed fitted in the batch chamber (13×8×5 cm), direct contact with the electrodes Significant reduction of shear force on the semimembranosus Bekhit et al. (2016)
Biceps femoris (beef) 20 μs, 50 Hz, 1.7 kV/cm Post-rigor, sample size was trimmed fitted in a triangular batch chamber (6×4×6 cm), direct contact with the electrodes Significant reduction of shear force at all aging times Faridnia et al. (2016)
Longissimus lumborum and semimembranosus (beef) Repeated treatment (1×, 2×, 3×) 20 μs, 90 Hz, 1.25 kV/cm Treatment time or number of pulses are not described Post-rigor, sample size was trimmed fitted in the batch chamber (13×8×5 cm), direct contact with the electrodes Significant reduction of shear force on the Longissimus lumborum Suwandy et al. (2015c)
Longissimus lumborum and semimembranosus (beef) Repeated treatment (1×, 2×, 3×) 20 μs, 90 Hz, 1.25 kV/cm Total treatment time: 30s Pre-rigor, sample size was trimmed fitted in the batch chamber (13×8×5 cm), direct contact with the electrodes Significant reduction of shear force at all aging times Suwandy et al. (2015b)
Longissimus lumborum and semimembranosus (beef) Repeated treatment (1×, 2×, 3×) 20 μs, 90 Hz, 0.625 and 1.25 kV/cm Post-rigor sample size was trimmed fitted in the batch chamber (13×8×5 cm), direct contact with the electrodes Significant reduction of shear force at all aging times Suwandy et al. (2015a)
Longissimus lumborum and semimembranosus (beef) Repeated treatment (1×, 2×, 3×) 20 μs, 20 to 90 Hz, 0.27 to 0.56 kV/cm 606 to 2,724 pulses Post-rigor, sample size was trimmed fitted in the batch chamber (13×8×5 cm), direct contact with the electrodes Significant reduction of shear force at all aging times Bekhit et al. (2014)
PEF, pulsed electric field.