Table 8 Changes in sensory properties of fresh beef during storage

Items Treatment1) Storage period (day)
0 1 2 3 4 7 9 11
Appearance Control 9.0±0.0a2)A3) 8.1±0.7bA 6.4±1.0cB 1.6±0.7dA - - - -
TCS-1 9.0±0.0aA - 7.9±0.7bA - 7.7±1.1bA 6.8±1.3cA 3.2±0.8dA 2.9±1.3dA
TCS-2 9.0±0.0aA - 7.9±1.1bA - 7.6±0.8bA 4.0±1.8cB 1.5±0.5dB -
Color Control 9.0±0.0aA 8.1±0.7bA 6.1±0.9c 1.5±0.7dA - - - -
TCS-1 9.0±0.0aA - 8.0±0.7b - 7.7±1.0bcA 7.0±1.2cA 3.0±0.7dA 2.8±1.4dA
TCS-2 9.0±0.0aA - 7.9±1.1b - 7.9±0.7bA 3.4±1.8cA 1.6±1.0dB -
Off-flavor Control 9.0±0.0aA 8.1±1.0bA 6.3±1.3cB 1.2±0.4dA - - - -
TCS-1 9.0±0.0aA - 8.0±0.7bA - 8.3±0.8abA 6.5±1.4cA 2.6±0.7dA 2.2±1.0dA
TCS-2 9.0±0.0aA - 8.0±1.2abA - 7.5±1.3bB 2.9±1.5cB 1.3±0.7dB -
Juiciness Control 9.0±0.0aA 8.2±1.0bA 7.1±0.9cB 1.7±0.8dA - - - -
TCS-1 9.0±0.0aA - 7.9±0.3abA - 7.8±0.9abA 7.0±1.6bA 4.3±1.8cA 3.2±1.6cA
TCS-2 9.0±0.0aA - 8.0±0.9bA - 7.6±1.1bA 4.1±1.7cB 2.8±1.7dB -
Overall acceptability Control 9.0±0.0aA 8.0±0.8bA 6.3±0.8cB 1.3±0.5dA - - - -
TCS-1 9.0±0.0aA - 7.8±0.4bA - 7.6±1.2bA 6.5±1.4cA 3.0±0.8dA 2.3±1.3dA
TCS-2 9.0±0.0aA - 8.1±1.0bA - 7.8±0.9bA 2.8±1.6cB 1.7±0.7dB -
Control, Beef in expandable polystyrene box; TCS-1, Beef in box with thermoelectric cooling system and plasma generation apparatus; TCS-2, Beef in box with thermoelectric cooling system.
a-dMeans in the same row with different superscripts are significantly different (p<0.05).
A-BMeans in the same column with different superscripts are significantly different (p<0.05).