Table 2.

Color attributes of antibacterial composite films based on egg white protein incorporated with EGCG.

EGCG (μmol/L)	L*	a*	b*	Δ E
0	33.22 ± 1.19a	−1.19 ± 0.11e	3.67 ± 0.29e	55.52 ± 1.04d
5	32.57 ± 0.37a	−0.92 ± 0.03d	4.42 ± 0.18de	56.59 ± 0.26d
10	30.53 ± 1.03b	−0.74 ± 0.06c	5.29 ± 0.38 cd	57.88 ± 0.34c
20	29.86 ± 1.52bc	−0.64 ± 0.09bc	5.93 ± 0.15c	58.40 ± 0.26bc
40	29.82 ± 1.16bc	−0.52 ± 0.07b	6.15 ± 0.14b	59.27 ± 0.19b
80	28.27 ± 1.45c	−0.21 ± 0.09a	6.48 ± 0.16a	60.95 ± 1.21a

Values are presented as mean ± standard deviation. Different letters in the same column indicate significant differences (p < 0.05).