Electrical impedance to easily discover undeclared freeze-thaw cycles in slaughtered bovine meat

F. Tocco;A. Loviselli;F. Velluzzi
Ultimo
2021-01-01

Abstract

A portable electrical impedance spectroscopy device was developed to monitor the bioimpedance resistive component of bovine meat by injecting a sinusoidal current of 1 mA at 65 kHz. Both right and left longissimus dorsi muscles were trimmed from 4 slaughtered cows. The left muscle portions were frozen to -18 °C for 7 days while the right ones were meantime maintained at 5 °C. Mean value of impedance per length (Ω/cm) of frozen and thawed left samples was 31% lower than that of right non-frozen one (P = 0.0001). It was concluded that the device is reliable for monitoring the maturation of beef meat in situ with the possibility of revealing undeclared freeze-thaw cycles.
2021
Inglese
12
1
3
10
8
Esperti anonimi
internazionale
scientifica
Meat anisotropy; Slaughtered bovine meat; Freezethaw cycles; Meat electrical bioimpedance; Meat maturation process
Goal 3: Good health and well-being for people
Dell’Osa, A. H.; Battacone, G.; Pulina, G.; Fois, A.; Tocco, F.; Loviselli, A.; Concu, A.; Velluzzi, F.
1.1 Articolo in rivista
info:eu-repo/semantics/article
1 Contributo su Rivista::1.1 Articolo in rivista
262
8
open
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