. 2014 Aug;27(8):1157–1163. doi: 10.5713/ajas.2013.13768

Table 1.

Effect of gas composition in modified atmosphere packaging on pH and instrumental color of Longissimus dorsi of Korean Native Black Pig crossbred with Duroc during refrigerated storage

Parameters	Packaging¹	Storage time (d)
Parameters	Packaging¹	0	3	6	9	12
L*	VP	54.76±3.16^A	53.02±1.89^a ^A	54.52±4.45^a ^A	54.50±3.05^ab ^A	54.50±1.43^b ^A
	MAP1	53.63±5.01^A	51.45±2.01^b ^B	51.88±2.28^b ^B	53.19±3.02^b ^A	52.81±2.55^c ^AB
	MAP2	53.63±5.07^B	54.86±1.99^a ^AB	55.97±1.90^a ^AB	55.52±1.96^a ^AB	56.13±1.83^a ^A
	MAP3	54.76±3.16^AB	53.19±2.04^a ^B	53.17±1.27^ab ^B	55.56±1.27^a ^A	55.94±2.49^ab ^A
a*	VP	6.11±1.03^B	7.54±1.32^A	7.63±0.90^b ^A	5.79±1.70^b ^B	6.83±0.87^b ^B
	MAP1	6.66±1.03^B	8.42±1.15^A	6.45±1.04^b ^B	6.21±1.39^b ^B	6.87±1.06^b ^B
	MAP2	6.62±1.03^B	9.66±0.88^A	9.90±1.65^a ^A	6.01±0.74^b ^B	6.54±1.49^b ^B
	MAP3	6.11±1.39^C	9.73±1.20^A	9.75±1.67^a ^A	8.17±1.46^a ^B	7.98±1.08^a ^B
b*	VP	2.96±1.64^C	7.06±1.09^b ^A	5.35±0.94^b ^B	3.19±0.69^b ^C	5.30±1.07^b ^B
	MAP1	3.43±1.07^A	4.52±1.12^c ^A	4.55±1.12^b ^A	3.62±0.63^b ^A	4.12±0.83^c ^A
	MAP2	3.43±1.08^E	8.67±0.33^a ^A	7.02±0.90^a ^C	7.98±0.93^a ^B	6.69±1.21^a ^D
	MAP3	2.95±1.64^C	7.57±0.80^b ^AB	7.18±0.71^a ^B	7.98±0.93^a ^A	6.69±1.21^a ^B

Mean values±standard deviation.

VP, vacuum packaging; MAP, modified atmosphere packaging.

MAP1 = 0:20:80/O₂:CO₂:N₂, MAP2 = 30:20:50/O₂:CO₂:N₂, MAP3 = 70:20:10/O₂:CO₂:N₂.

^a–d

Means in the same column followed by different superscript upper cases are significantly different (p<0.05).

^A–E

Means in the same row followed by different superscript upper cases are significantly different (p<0.05).