Table 3.

Color properties of gelatin-based films enriched with different concentrations of L. sativum extracts.

Films	Extract enrichment (μg/mL)	L∗	a∗	b∗	ΔE	Chroma
CF	0	90.30 ± 0.10a	0.92 ± 0.05a	0.91 ± 0.07d	-	-
F-LSE1	5	90.12 ± 0.19a	0.75 ± 0.12a	1.45 ± 0.15c	0.59 ± 0.07e	0.57 ± 0.03e
	10	90.07 ± 0.14a	0.39 ± 0.10a	2.15 ± 0.12c	1.37 ± 0.13d	1.35 ± 0.11d
	20	90.01 ± 0.15a	0.12 ± 0.04a	2.89 ± 0.06c	2.16 ± 0.15c	2.14 ± 0.42c
F-LSE2	5	89.45 ± 0.17b	−0.13 ± 0.02b	4.15 ± 0.16b	3.51 ± 0.42c	3.41 ± 0.13c
	10	89.13 ± 0.05b	−0.45 ± 0.07b	4.98 ± 0.11b	4.45 ± 0.75b	4.29 ± 0.77b
	20	89.01 ± 0.04b	−0.89 ± 0.12b	5.78 ± 0.10a	5.35 ± 0.14b	5.20 ± 0.56b
F-LSE3	5	88.78 ± 0.48b	−1.48 ± 0.15c	6.75 ± 0.23a	6.49 ± 0.22b	6.31 ± 0.86a
	10	88.26 ± 0.10b	−1.99 ± 0.23c	7.15 ± 0.21a	7.18 ± 0.75a	6.89 ± 0.53a
	20	88.10 ± 0.12c	−2.75 ± 0.14c	8.89 ± 0.12a	9.05 ± 0.53a	8.78 ± 0.86a

CF: control gelatin films without added LSE; F-LSE1, F-LSE2 and F-LSE3 represent gelatin-based films containing water, water/ethanol (50/50, v/v) and ethanol extracts, respectively. Control represent gelatin-based film without added extract. ^a,b,c,d,e Different lower case letters in the same column indicate significant differences between the different films (p < 0.05).