Table 2. Color of chicken breast during storage at 4°C

Parameter	Treatment	Storage period (d)
Parameter	Treatment	1	3	6	10	14
CIE L*	CON	55.54±2.05^Abc	55.48±1.26^A	54.88±0.62^Ab	52.18±1.05^Bb	49.73±0.69^Cb
	C1.5G3M0	58.11±1.15^ABa	57.15±1.51^ABC	59.32±0.66^Aa	56.59±2.22^BCa	55.03±2.17^Ca
	C1.5G3M0.5	57.01±1.23^Ba	57.47±0.58^B	58.97±1.80^Aa	57.13±0.63^Ba	55.38±0.46^Ca
	C1.5G3M1	54.03±1.68^c	55.75±1.90	55.70±0.86^b	55.68±1.88^a	56.26±1.38^a
CIE a*	CON	2.56±0.46^A	2.37±0.57^A	1.83±0.65^AB	1.44±0.50^B	1.43±0.76^Bb
	C1.5G3M0	2.40±0.98	2.35±0.24	1.80±0.68	2.03±0.69	1.83±0.66^ab
	C1.5G3M0.5	2.53±0.29^A	2.24±0.47^AB	2.27±0.19^AB	1.81±0.14^B	2.39±0.47^Aa
	C1.5G3M1	2.15±0.20	2.32±0.37	2.48±0.20	2.17±1.05	2.35±0.54^a
CIE b*	CON	3.60±0.57^D	4.64±1.20^CD	5.37±0.65^BCab	6.81±0.70^AB	8.12±1.96^Aa
	C1.5G3M0	4.13±0.63^B	5.53±0.83^AB	6.08±0.46^Aa	6.15±2.03^A	6.17±0.62^Ab
	C1.5G3M0.5	4.04±0.95^B	5.23±0.64^A	5.57±1.37^Aab	5.45±0.47^A	5.20±0.39^Ab
	C1.5G3M1	4.13±0.37^C	4.53±0.39^BC	4.69±0.28^BCb	5.11±1.32^AB	5.80±0.36^Ab
ΔE	CON	-	1.86±1.38^C	2.54±0.63^C	3.80±0.36^Ba	6.20±1.04^Aa
	C1.5G3M0		2.27±0.51^C	2.53±0.42^BC	3.72±0.67^ABa	4.04±1.63^Ab
	C1.5G3M0.5		1.47±0.63^B	2.91±1.53^AB	1.71±0.36^Bb	2.11±0.23^Ac
	C1.5G3M1		1.91±1.81	1.79±0.92	2.61±1.57^ab	2.88±1.31^bc

Different capital letters indicate significant differences between storage periods within the same treatment group (p<0.05).
Different lowercase letters indicate significant differences between the treatments during the same storage period (p<0.05).
CON, uncoated chicken breast; C1.5G3M0, chitosan/gelatin (1.5%/3%) edible coating-coated chicken breast without mugwort essential oil; C1.5G3M0.5, chitosan/gelatin (1.5%/3%) edible coating-coated chicken breast with 0.5% mugwort essential oil; C1.5G3M1, chitosan/gelatin (1.5%/3%) edible coating-coated chicken breast with 1% mugwort essential oil.