Table 2. Effect of aerobic, vacuum and different modified atmosphere packagings on microbiological profile of poultry breast fillets

Packaging methods		Storage time (d)						p-value
Packaging methods		0	2	4	6	8	10	d	trt	d×trt
Total plate count (Log CFU/g)	Control	5.59^l±0.02	5.86^k±0.06	6.86^ef±0.05	7.84^c±0.11	8.20^b±0.07	10.35^a±0.12	<0.0001	<0.0001	<0.0001
	VP	5.43^lm±0.05	5.89^jk±0.02	6.42ⁱ±0.05	6.72^fgh±0.04	7.32^d±0.09	8.17^b±0.08
	MAP-1	5.35^m±0.08	5.89^jk±0.01	5.96^jk±0.08	6.64^gh±0.11	6.82^fg±0.03	6.88^ef±0.08
	MAP-2	5.48^lm±0.05	5.92^jk±0.08	6.09^j±0.04	6.53^hi±0.10	6.92^ef±0.05	7.08^e±0.04
Total coliform count (Log CFU/g)	Control	2.52^gh±0.07	2.59^efgh±0.11	2.77^defg±0.07	3.09^bc±0.05	3.19^b±0.01	3.53^a±0.05	<0.0001	<0.0001	<0.0001
	VP	2.36^h±0.10	2.36^h±0.10	2.59^efgh±0.11	2.80^def±0.04	2.94^bcd±0.03	3.11^bc±0.03
	MAP-1	2.42^h±0.10	2.46^h±0.15	2.55^fgh±0.13	2.77^defg±0.07	2.86^cde±0.03	2.92^bcd±0.03
	MAP-2	2.46^h±0.15	2.36^h±0.10	2.40^h±0.17	2.63^efgh±0.06	2.94^bcd±0.03	2.94^bcd±0.03
Pseudomonas count (Log CFU/g)	Control	5.46^m±0.06	5.95^jk±0.09	6.47^gh±0.09	6.97^cd±0.10	7.53^b±0.06	8.13^a±0.06	<0.0001	<0.0001	<0.0001
	VP	5.43^m±0.10	5.75^k±0.07	5.95^jk±0.08	6.36^ghi±0.10	6.86^cde±0.08	7.04^c±0.05
	MAP-1	5.46^m±0.05	5.73^kl±0.06	5.86^k±0.10	6.16^ij±0.07	6.59^fg±0.13	6.76^def±0.08
	MAP-2	5.46^lm±0.07	5.73^k±0.10	5.91^jk±0.03	6.27^hi±0.10	6.62^efg±0.11	6.88^cde±0.09

Control, aerobic packaging; VP, vacuum packaging; MAP-1, modified atmosphere packaging 1 (0% O₂, 40% CO₂, 60% N₂); MAP-2, modified atmosphere packaging 2 (20% O₂, 40% CO₂, 40% N₂).
Superscripts indicate a statistical significant difference between days and treatment (p<0.05).