Table 3 Pork texture test results with PCA added at different storage times.

From: Membrane damage mechanism of protocatechualdehyde against Micrococcus luteus and its effect on pork quality characteristics

TPA

Time/days

Positive control

2 × MIC

MIC

0 × MIC

Hardness

1

123.39 ± 7.95

124.07 ± 17.43

125.09 ± 25.1

140.92 ± 17.23a

3

118.28 ± 16.92

122.38 ± 14.69

121.32 ± 22.98

115.18 ± 18.5a

5

101.55 ± 7.97

99.76 ± 15.01

96.47 ± 10.82

105.17 ± 12.16ab

7

99.82 ± 2.96

97.85 ± 7.19

93.84 ± 9.44

73.36 ± 5.59b

Adhesiveness

1

39.36 ± 1.23

45.72 ± 4.84a

45.72 ± 3.66a

50.75 ± 1.87a

3

38.16 ± 8.39

43.00 ± 4.55a

42.73 ± 7.26ab

41.94 ± 2.92a

5

34.08 ± 4.2

32.03 ± 3.28b

31.4 ± 7.35ab

38.51 ± 6.37a

7

29.39 ± 1.97

28.25 ± 2.03b

27.86 ± 3.42b

21.22 ± 5.35b

Springiness

1

0.9 ± 0.01

0.88 ± 0.02bc

0.85 ± 0.02b

0.84 ± 0.02c

3

0.91 ± 0.02

0.87 ± 0.01c

0.85 ± 0.01b

0.86 ± 0.01bc

5

0.92 ± 0.01

0.92 ± 0.01ab

0.88 ± 0.01ab

0.89 ± 0.01ab

7

0.92 ± 0.01

0.93 ± 0.01a

0.9 ± 0.02a

0.93 ± 0.03a

Cohesiveness

1

0.78 ± 0.01b

0.78 ± 0.04

0.75 ± 0.04

0.73 ± 0.01c

3

0.79 ± 0.01ab

0.78 ± 0.06

0.77 ± 0.07

0.78 ± 0.03b

5

0.84 ± 0.03a

0.83 ± 0.04

0.82 ± 0.03

0.8 ± 0.01b

7

0.85 ± 0.03a

0.84 ± 0.05

0.82 ± 0.01

0.89 ± 0.01a

Gumminess

1

96.08 ± 5.26

96.71 ± 8.96

93.89 ± 13.41

102.3 ± 10.65a

3

93.14 ± 11.95

95.65 ± 4.65

92.04 ± 9.33

89.39 ± 11.1ab

5

85.04 ± 3.54

82.83 ± 8.08

78.99 ± 5.78

83.96 ± 9.13ab

7

84.46 ± 0.37

81.85 ± 0.66

77.05 ± 7.55

65.52 ± 5.1b

Chewiness

1

86.92 ± 4.73

85.57 ± 10.31

79.5 ± 9.71

85.33 ± 7.02a

3

84.88 ± 8.95

82.91 ± 2.85

78.62 ± 7

76.71 ± 9.81ab

5

78.44 ± 4.03

76.03 ± 7.13

69.33 ± 5.11

74.65 ± 8.23ab

7

77.33 ± 0.31

75.91 ± 0.76

69.61 ± 5.25

60.97 ± 6.74b

Resilience

1

0.38 ± 0.01c

0.37 ± 0.01b

0.37 ± 0.03b

0.34 ± 0.01c

3

0.42 ± 0.06bc

0.42 ± 0.06ab

0.4 ± 0.04ab

0.42 ± 0.02b

5

0.5 ± 0.04ab

0.5 ± 0.02a

0.49 ± 0.03a

0.45 ± 0.02b

7

0.51 ± 0.02a

0.53 ± 0.06a

0.47 ± 0.01a

0.59 ± 0.01a

  1. Each value is expressed as mean ± standard deviation (n = 3).
  2. a–cValues with different letters in the same column are significantly different (P < 0.05).