Color and transparency values of films prepared from different concentrations of sodium alginate and gelatin^a.

Sample	Hunter color parameters			ΔE	WI
	L	a	b
HGC	26.7 ± 1.2f	0.06 ± 0.05a	0.1 ± 0.2d	70.8 ± 1.2a	27.1 ± 1.3f
F4	52.6 ± 0.6e	−1.1 ± 0.1b	−3.9 ± 0.6f	44.9 ± 0.6b	40.8 ± 2.9e
F7	54.6 ± 0.5d	−1.7 ± 0.1c	−0.9 ± 0.1e	42.9 ± 0.5c	51.9 ± 0.7d
F8	57.9 ± 1.6c	−1.9 ± 0.2d	3.5 ± 0.8c	39.8 ± 1.5d	68.4 ± 1.2c
F11	62.9 ± 1.2b	−2.5 ± 0.1e	3.8 ± 0.2b	34.9 ± 1.2e	74.3 ± 1.0b
F12	63.98 ± 1.0a	−2.4 ± 0.1e	3.99 ± 0.4a	33.6 ± 1.0f	75.9 ± 1.9a

^aMean ± SD (n = 3), values with different superscript letters (a, b, c, d, e and f) in the same column are significantly different (P < 0.05).