Table 5.

Effect of vacuum packaging and modified atmosphere packaging on the sensory properties of lamb meat during storage at 4 ${}^{\circ }$C.

Specification	Aroma	Aroma	Juiciness	Tenderness	Taste	Taste
	intensity	desirability			intensity	desirability
Storage method $\times$ time
MAP 0	4.58 $\pm$ 0.289	4.54 $\pm$ 0.334	3.92 $\pm$ 0.417	3.88 $\pm$ 0.483	4.21 $\pm$ 0.396	4.25 $\pm$ 0.399
MAP 10	4.58 $\pm$ 0.359	4.67 $\pm$ 0.246	4.04 $\pm$ 0.722	4.17 $\pm$ 0.651	4.17 $\pm$ 0.444	4.08 $\pm$ 0.359
MAP 20	4.54 $\pm$ 0.450	4.46 $\pm$ 0.450	3.58 $\pm$ 0.417	3.71 $\pm$ 0.450	4.00 $\pm$ 0.477	3.83 $\pm$ 0.537
MAP 30	4.38 $\pm$ 0.377	4.38 $\pm$ 0.377	3.75 $\pm$ 0.337	3.75 $\pm$ 0.261	4.13 $\pm$ 0.377	3.92 $\pm$ 0.469
VP 0	4.58 $\pm$ 0.289	4.54 $\pm$ 0.334	3.92 $\pm$ 0.417	3.88 $\pm$ 0.483	4.21 $\pm$ 0.396	4.25 $\pm$ 0.399
VP 10	4.71 $\pm$ 0.334	4.71 $\pm$ 0.334	4.58 $\pm$ 0.469	4.63 $\pm$ 0.433	4.46 $\pm$ 0.396	4.46 $\pm$ 0.396
VP 20	4.46 $\pm$ 0.334	4.42 $\pm$ 0.359	3.96 $\pm$ 0.498	4.00 $\pm$ 0.477	4.04 $\pm$ 0.334	4.00 $\pm$ 0.369
VP 30	4.46 $\pm$ 0.334	4.42 $\pm$ 0.359	4.25 $\pm$ 0.399	4.46 $\pm$ 0.334	4.29 $\pm$ 0.257	4.25 $\pm$ 0.261
SEM	0.036	0.036	0.055	0.055	0.041	0.045
Storage method
MAP	4.52 $\pm$ 0.357	4.51 $\pm$ 0.365	3.82${}^{\mathrm{b}}$ $\pm$ 0.510	3.88${}^{\mathrm{b}}$ $\pm$ 0.500	4.13 $\pm$ 0.461	4.02${}^{\mathrm{b}}$ $\pm$ 0.461
VP	4.55 $\pm$ 0.330	4.52 $\pm$ 0.357	4.18${}^{\mathrm{a}}$ $\pm$ 0.510	4.24${}^{\mathrm{a}}$ $\pm$ 0.526	4.25 $\pm$ 0.371	4.24${}^{\mathrm{a}}$ $\pm$ 0.386
Time
0	4.58 $\pm$ 0.282	4.54${}^{\mathrm{ab}}$ $\pm$ 0.327	3.92${}^{\mathrm{b}}$ $\pm$ 0.408	3.88${}^{\mathrm{b}}$ $\pm$ 0.472	4.21 $\pm$ 0.388	4.25${}^{\mathrm{a}}$ $\pm$ 0.390
10	4.65 $\pm$ 0.345	4.69${}^{\mathrm{a}}$ $\pm$ 0.288	4.31${}^{\mathrm{a}}$ $\pm$ 0.656	4.40${}^{\mathrm{a}}$ $\pm$ 0.589	4.31 $\pm$ 0.434	4.27${}^{\mathrm{a}}$ $\pm$ 0.416
20	4.50 $\pm$ 0.361	4.44${}^{\mathrm{b}}$ $\pm$ 0.399	3.77${}^{\mathrm{b}}$ $\pm$ 0.489	3.85${}^{\mathrm{b}}$ $\pm$ 0.477	4.02 $\pm$ 0.466	3.92${}^{\mathrm{b}}$ $\pm$ 0.458
30	4.42 $\pm$ 0.351	4.40${}^{\mathrm{b}}$ $\pm$ 0.361	4.00${}^{\mathrm{b}}$ $\pm$ 0.442	4.10${}^{\mathrm{b}}$ $\pm$ 0.466	4.21 $\pm$ 0.369	4.08${}^{\mathrm{ab}}$ $\pm$ 0.408
$P$ values
$P_{\mathrm{storage}\mathrm{method}}$	0.662	0.885	0.001	$<$ 0.001	0.120	0.001
$P_{\mathrm{time}}$	0.126	0.026	0.001	$<$ 0.001	0.080	0.010
$P_{\mathrm{storage}\mathrm{method}\times \mathrm{time}}$	0.739	0.973	0.187	0.064	0.563	0.366

MAP: modified atmosphere packaging (80 % N${}_{\mathrm{2}}$ $+$ 20 % CO${}_{\mathrm{2}}$). VP: vacuum packaging. 0, 10, 20, 10: time of storage in days. SEM: standard error of mean. Values in each column with different letters differ significantly when $P\le \mathrm{0.05}$.