Table 3.

Color values of non-treated and treated HPC samples.

	L*	a*	b*
Control	89.350 ± 0.78 e	−0.060 ± 0.01 bc	4.110 ± 0.01 a
pH2	94.855 ± 0.01 b	−0.275 ± 0.04 ef	1.450 ± 0.06 g
pH4	95.845 ± 0.05 a	−0.245 ± 0.02 e	0.920 ± 0.01 h
pH6	93.130 ± 0.04 c	−0.320 ± 0.01 fg	2.405 ± 0.04 c
pH8	93.655 ± 0.05 c	−0.160 ± 0.01 d	1.635 ± 0.04 f
pH10	92.895 ± 0.02 c	−0.020 ± 0.00 b	3.135 ± 0.02 b
pH12	92.015 ± 0.02 d	−0.105 ± 0.01 cd	3.160 ± 0.03 b
US_Only	83.140 ± 0.06 h	0.295 ± 0.02 a	3.075 ± 0.04 b
US + pH2	87.880 ± 0.04 f	−0.440 ± 0.01 h	1.770 ± 0.03 e
US + pH4	88.385 ± 0.05 f	−0.360 ± 0.01 g	1.370 ± 0.03 gh
US + pH6	86.120 ± 0.03 g	−0.475 ± 0.01 h	1.460 ± 0.03 g
US + pH8	89.910 ± 0.04 e	−0.675 ± 0.02 i	1.280 ± 0.01 h
US + pH10	82.740 ± 0.06 h	−0.690 ± 0.01 i	2.020 ± 0.01 d
US + pH12	90.165 ± 0.09 e	−0.160 ± 0.03 d	1.265 ± 0.02 h

^a–i Treatment means with the same letter in each sample are not significantly different (p > 0.05).