Table 1.

L*, a*, b* indices of NC, EC, and HC samples during the storage time. Different uppercase letters indicate significant difference among samples (p-value < 0.05) in the same day; different lowercase letters indicate significant differences for the same sample over time.

	L*			a*			b*
Days	NC	EC	HC	NC	EC	HC	NC	EC	HC
0	72.35 ± 1.20 Ab	71.14 ± 1.33 Aa	73.42 ± 1.43 Aa	−5.42 ± 0.97 Ad	−5.02 ± 0.84 Ae	−5.93 ± 0.73 Ad	35.76 ± 1.67 Ac	36.46 ± 1.41 Ade	33.14 ± 1.32 Bf
1	71.51 ± 0.72 Ab	70.16 ± 1.36 Aa	71.37 ± 1.05 Aa	−5.90 ± 0.48 Ad	−6.17 ± 0.48 Af	−6.60 ± 0.44 Ae	35.65 ± 1.45 Ac	35.12 ± 1.18 Ae	34.89 ± 1.71 Af
2	72.33 ± 1.53 Ab	72.01 ± 1.63 Aa	71.33 ± 0.58 Aa	−1.65 ± 0.14 Ac	−3.89 ± 0.41 Bd	−6.48 ± 0.42 Ce	36.81 ± 1.42 ABc	34.67 ± 1.04 Be	37.95 ± 1.76 Ae
3	72.65 ± 1.11 Ab	69.84 ± 1.01 Ba	71.43 ± 0.80 Aa	0.49 ± 0.34 Aa	−1.28 ± 0.34 Bc	−6.41 ± 0.24 Ce	41.64 ± 1.19 Ab	37.26 ± 1.24 Bd	39.39 ± 1.10 ABde
4	75.30 ± 0.93 Aa	71.47 ± 1.06 Ba	72.47 ± 1.10 Ba	1.22 ± 0.12 Aa	−1.04 ± 0.03 Bc	−5.48 ± 0.25 Cd	42.12 ± 1.03 Ab	42.58 ± 1.06 Ac	41.16 ± 1.19 Acd
7	65.98 ± 2.27 Ac	61.96 ± 1.44 Bb	64.89 ± 0.13 Ab	1.05 ± 0.65 Aa	0.21 ± 0.34 Aab	−2.72 ± 0.31 Bc	50.40 ± 2.46 Aa	44.07 ± 2.24 Bbc	42.27 ± 1.23 Bc
9	57.61 ± 0.86 Cd	63.67 ± 1.21 Bb	67.29 ± 1.85 Ab	1.19 ± 0.30 Aa	−0.27 ± 0.28 Bb	−1.74 ± 0.24 Cb	50.44 ± 1.35 Aa	47.64 ± 1.16 Bb	47.00 ± 1.70 Bb
11	55.61 ± 0.14 Ce	60.33 ± 0.62 Bb	64.96 ± 1.71 Ab	1.45 ± 0.73 Aa	0.91 ± 0.40 Aa	−0.77 ± 0.24 Ba	50.28 ± 1.37 Aa	50.43 ± 1.21 Aa	48.43 ± 1.46 Aab
14	53.28 ± 0.66 Cf	55.67 ± 0.92 Bc	62.62 ± 1.51 Ab	1.30 ± 0.77 Aa	0.89 ± 0.39 Aa	−0.61 ± 0.49 Ba	50.89 ± 1.42 Aa	50.60 ± 1.89 Aa	50.43 ± 1.24 Aa

NC = uncoated samples; EC = samples coated with alginate emulsion; HC = samples coated with hydrogel.