Table 2. The overall effect of coating application and storage period on the CIE L*, CIE a*, and CIE b* of rainbow trout fillets

Factor	n	CIE L*	CIE a*	CIE b*
Coating aplication (CA)
Control	28	47.90±2.23^a	0.84±1.41^b	11.22±3.46^a
CH	28	48.29±3.97^a	–0.32±1.41^a	12.36±3.92^ab
CHT	28	50.51±2.54^b	0.20±1.69^ab	13.79±2.82^b
CHTRA	28	51.02±3.45^b	0.68±2.39^b	13.76±3.95^b
Significance		^**	^**	^**
Storage period (SP)
0 d	16	45.72±2.37^a	0.44±1.52^abc	10.56±3.83^a
3 d	16	48.76±2.22^b	0.18±1.10^abc	12.94±2.96^bc
6 d	1	49.95±3.84^bc	0.30±1.66^abc	12.97±3.92^bc
9 d	16	49.36±2.78^bc	–0.42±1.42^a	11.67±2.87^ab
12 d	16	50.65±3.06^c	0.06±1.26^ab	14.88±3.64^c
15 d	16	50.95±2.70^c	1.07±2.82^c	14.62±3.36^c
18 d	16	50.63±3.41^c	0.83±2.16^bc	11.85±3.55^ab
Significance		^**	^*	^**
Coating×Storage		^**	^**	^**

Mean±SD.
Different letters indicate statistical difference (p<0.05) in each column. ^* p<0.05; ^** p<0.01.
CH, chitosan; CHT, chitosan+TiO₂ nanoparticles; CHTRA, chitosan+TiO₂ nanoparticles+rosmarinic acid.