Table 2.

Color determination of polished grain with different processing time.

PT, s	Color parameter						$\Delta E$	Image*
	RGB			Lab
	R	G*	B*	L*	a*	b*
0	196.0a	160.6a	88.8a	67.9a	4.4c	41.9c	52.9
30	195.1a	163.9b	98.5b	68.8b	3.0b	38.0b	49.2
60	193.9a	168.3c	109.0c	70.0c	1.2a	34.0a	45.3

PT, debranning time.

Values with different letter in the same parameter are significantly different (p<0.05).

Image was acquired by the author.