Table 1.

Color parameters and transparency value of the neat YAPCK210 film and active multilayer films with and without cellulose nanocrystal (CNC) coatings.

Sample	a*	b*	L*	ΔE	T
YPACK210 film	0.74 ± 0.02 a	−0.41 ± 0.01 a	90.44 ± 0.07 a	-	6.83 ± 0.12 a
Active multilayer with CNC	0.28 ± 0.01 b	1.31 ± 0.02 b	89.81 ± 0.17 b	1.88 ± 0.08 a	4.29 ± 0.15 b
Active multilayer without CNC	0.25 ± 0.03 b	1.42 ± 0.14 b	89.86 ± 0.22 b	1.84 ± 0.19 a	5.94 ± 0.17 c

a–c: Different superscripts within the same column indicate significant differences among samples (p < 0.05).