Table 2. Mean physicochemical properties of gluteus medius muscle in goats as influenced by dietary oil blend and postmortem ageing.

	Level of oil blend (%)				Storage days					P value
Parameter	0	4	8	SEM	0	1	4	7	SEM	diet	days	diet x days
Glycogen mg/g	1.07	1.07	1.07	0.12	1.30a	0.58b	0.56b	0.57b	0.01	0.312	0.031	0.213
pH	5.61	5.63	5.64	0.45	6.34a	5.60b	5.60b	5.59b	0.19	0.102	0.002	0.221
Drip loss (%)	6.71	6.67	6.60	0.44	-	5.89c	6.91b	7.60b	0.11	0.234	0.001	0.237
L*	31.49	30.41	33.09	1.27	34.04b	34.98b	37.22a	38.02a	1.59	0.138	0.034	0.106
a*	12.04	12.38	12.79	0.90	11. 21a	12.02a	10.23b	9.45c	0.72	0.041	0.002	0.219
b*	12.77	13.75	12.60	0.94	13.14	12.98	12.47	12.33	0.31	0.512	0.128	0.106
Myoglobin (mg/g)	2.80	2.81	2.84	0.07	2.89a	2.80a	2.71b	2.60b	0.08	0.111	0.041	0.223
Metmyoglobin (%)	6.69	6.55	6.56	0.08	2.91d	7.39c	12.35b	18.99a	3.12	0.222	< .0001	0.441
MRA (nmol min-1g-1)	212.4	210.2	212.7	14.0	212.7a	200.5b	190.2c	181.9d	10.22	0.516	0.021	0.354

a, b, c means having different superscripts along the same row for each factor are significantly different.

L* = lightness. a* = redness. b* = yellowness. MRA = metmyoglobin reducing activity. SEM = standard error of mean