Table 2.

Effects of ultrasound processing on colour attributes.

Time of sonication (min)	Intensity (W cm−2)	Colour attributes			ΔE
		L*	a*	b*
0 (control)		31.75 ± 0.19A	10.91 ± 0.12A	6.47 ± 0.43A	–
2	28	32.02 ± 0.84A	11.05 ± 0.18A	6.61 ± 0.15A	0.33 ± 0.12A
5		32.49 ± 0.54A	11.02 ± 0.06A	6.90 ± 0.22A	0.86 ± 0.23A
10		32.65 ± 0.17A	11.07 ± 0.13A	7.34 ± 0.18B	1.26 ± 0.21B
2	40	32.16 ± 0.41A	11.20 ± 0.04A	6.69 ± 0.22A	0.55 ± 0.16A
5		33.11 ± 0.18B	11.07 ± 0.03A	7.37 ± 0.19B	1.64 ± 0.32B
10		34.01 ± 0.19C	11.06 ± 0.06A	7.58 ± 0.18B	2.52 ± 0.30C

Values with different letters in the same column are significantly different from each other.