Table 4. Surface color of duck and chicken breast exposed with gaseous ozone during refrigerated storage.

Item	Treatment	Storage (d)
		0	1	2	3	4
CIE L*	Duck+Ozone	45.18±0.85bC	45.28±1.38bC	48.04±1.44bC	51.70±2.82bA	50.31±1.87cA
	Duck	45.18±0.85bC	45.52±1.58bC	46.85±2.44bB	46.97±2.64cB	51.60±2.78cA
	Chicken+Ozone	55.6±0.51aC	55.93±3.13aC	57.48±2.64aB	59.49±3.46aB	65.10±1.28aA
	Chicken	55.6±0.51aBC	58.10±2.68aAC	54.92±1.95a	57.91±2.03aAB	56.13±3.23bB
CIE a*	Duck+Ozone	15.87±0.56aA	12.77±0.75bB	9.74±1.16bC	7.60±2.82bD	4.58±0.89bE
	Duck	15.87±0.56aA	15.56±2.12aA	15.98±1.79aA	14.82±1.92aA	12.40±1.95aB
	Chicken+Ozone	2.5±0.64bA	1.73±0.94cAB	0.05±0.04dC	1.17±0.66cB	0.33±0.20cC
	Chicken	2.5±0.64bA	1.79±0.73cBC	1.62±0.44cBC	1.47±0.78cC	2.16±0.46cB
CIE b*	Duck+Ozone	8.84±1.20aB	8.44±3.80aB	9.22±0.85aA	8.97±1.69aAB	10.87±0.77aA
	Duck	8.84±1.20aA	8.76±1.45aA	9.08±0.74aA	8.50±1.34aA	6.25±1.29bB
	Chicken+Ozone	2.0±0.67bD	5.60±0.94bB	6.74±0.58bA	4.65±0.86bC	5.13±1.10bcB
	Chicken	2.0±0.67bC	5.83±0.73bA	4.98±1.18cB	6.47±1.10bA	4.23±0.67cB
C*	Duck+Ozone	17.12±0.87aA	15.31±0.75bB	13.45±0.98bC	11.86±1.53bD	11.82±0.84bD
	Duck	17.12±0.87aA	17.87±2.47aA	18.40±1.77aA	17.08±2.33aA	13.90±2.26aB
	Chicken+Ozone	6.52±1.02bA	5.95±1.19cA	6.76±0.59cA	4.84±0.76cB	5.15±1.10cAB
	Chicken	6.52±1.02bA	6.15±0.97cAB	5.25±1.17dB	6.67±1.15cA	4.77±0.73cB
h°	Duck+Ozone	29.65±1.32bD	33.50±1.47bC	43.51±4.40cB	49.69±8.37bB	67.20±4.00aA
	Duck	29.65±1.32bA	29.31±2.38bA	29.72±2.55dA	29.77±0.98cAcA	26.63±2.56dB
	Chicken+Ozone	72.85±2.54aB	72.23±11.06aB	89.75±3.70aA	74.98±8.85aB	86.24±2.33aA
	Chicken	72.85±2.54aB	72.42±8.31aB	71.61±5.36bB	77.40±5.84aA	62.99±4.19bC

Mean values±standard deviation.

^a-dMeans in the same column followed by different letters in superscript lower-case are significantly different (p<0.05).

^A-DMeans in the same row followed by different letters in superscript upper-case are significantly different (p<0.05).