Table 3. Myofibril fragmentation index (MFI) and Impedance (Z) of chilled meats and 7 d frozen/thawed meats marinated with phosphate and phosphate alternatives
Items | d of thawing | Treatments | SEM1) | p-value |
Control (–) | Control (+) | PJ | OS | N-OS | YLE |
MFI | 0* | 109.17cz | 116.39bz | 91.15dz | 116.66bz | 118.99bz | 123.18az | 0.698 | 0.0001 |
1 | 116.65cy | 136.57aby | 99.69dy | 134.77by | 135.63aby | 137.44ay | 0.544 | 0.0001 |
3 | 124.59bx | 144.58ax | 113.37cx | 146.40ax | 146.66ax | 145.53ax | 0.595 | 0.0001 |
SEM2) | 0.562 | 0.634 | 0.540 | 0.579 | 0.543 | 0.797 | | |
p-value | 0.0001 | 0.0001 | 0.0001 | 0.0001 | 0.0001 | 0.0001 | | |
Z | 0* | 135.07bx | 141.07ax | 133.10bx | 138.24ax | 139.47ax | 140.42ax | 6.280 | 0.0001 |
1 | 115.27by | 125.83ay | 113.65by | 120.50ay | 122.67ay | 125.48ay | 4.355 | 0.0001 |
3 | 109.68bz | 117.25az | 107.8bz | 118.28az | 117.99az | 119.42az | 5.903 | 0.0001 |
SEM2) | 5.102 | 5.403 | 4.374 | 3.698 | 4.341 | 6.702 | | |
p-value | 0.001 | 0.0001 | 0.0001 | 0.0001 | 0.0001 | 0.0001 | | |
Star (0) indicates the 1 d chilled marinated meat.
SEM (n=36).
SEM (n=18).
Mean values with different superscript letters within the same row differ significantly (p<0.05).
Mean values with different superscript letters within the same column differ significantly (p<0.05).
Control (–), no phosphate; Control (+), 0.3% sodium tripolyphosphate; PJ, 0.3% prune juice; OS, 0.3% oyster shell; N-OS, 0.3% nano-oyster shell; YLE, 0.3% yeast and lemon extract.