Table 4.

Mean values of storage weight loss (SWL), water activity (A_w) and lipid oxidation (TBARS) in hamburgers produced from Ross broiler chicken (AP95) without myopathies and affected by wooden breast myopathy after different storage periods.

SWL (%)
A (n = 20) 1	SD (n = 20) 2			p-value
	Normal	Moderate	Severe
30 days	0.35 ± 0.26 Cb	0.73 ± 0.26 Cab	1.10 ± 0.29 Ca	(SD)	<0.0001
60 days	0.91 ± 0.50 BCa	1.72 ± 0.50 Ba	1.57 ± 0.50 Ca	(A)	<0.0001
90 days	1.56 ± 0.37 Bb	1.34 ± 0.38 BCb	12.76 ± 0.36 Ba	(SD × A)	<0.0001
120 days	24.82 ± 0.31 Ab	28.42 ± 0.29 Aa	28.18 ± 0.27 Aa
Aw
A (n = 20) 1	Normal	Moderate	Severe	p-value
Start	0.967 ± 0.004 Aa	0.964 ± 0.004 Ba	0.972 ± 0.004 Aa
30 days	0.908 ± 0.004 Ca	0.896 ± 0.004 Db	0.904 ± 0.004 Cab	(SD)	<0.0001
60 days	0.962 ± 0.006 ABa	0.952 ± 0.006 Ca	0.962 ± 0.004 Ba	(A)	<0.0001
90 days	0.951 ± 0.005 Bb	0.989 ± 0.004 Aa	0.890 ± 0.005 Cc	(SD × A)	<0.0001
120 days	0.878 ± 0.004 Dab	0.872 ± 0.004 Eb	0.886 ± 0.004 Ca
TBARS (mg MDA/kg Sample)
A (n = 20) 1	Normal	Moderate	Severe	p-value
Start	2.32 ± 0.12 Ca	1.84 ± 0.12 Cb	1.89 ± 0.12 Cb
30 days	2.12 ± 0.12 Ca	1.89 ± 0.12 Ca	1.99 ± 0.12 Ca	(SD)	<0.0001
60 days	1.78 ± 0.12 Db	2.21 ± 0.12 Ba	1.97 ± 0.12 Cab	(A)	<0.0001
90 days	4.64 ± 0.16 Bb	5.93 ± 0.13 Aa	3.12 ± 0.12 Bc	(SD × A)	<0.0001
120 days	9.31 ± 0.16 Aa	6.12 ± 0.18 Ab	4.09 ± 0.12 Ac

^1/A–E Means followed by different capital letters in the same column differ from each other by the Tukey test (p < 0.05). ^2/a–c Means followed by different lowercase letters on the same line differ from each other by the Tukey test (p < 0.05). A—Storage, SD—Severity degree.