Table 4. pH and soluble solids of citrus pomace powder under various pre-treatment conditions

Washing conditions¹⁾	Thawing methods²⁾	pH	Soluble solids (°Brix)
NW	RT	4.26±0.00^B3)	1.10±0.00^A
	US	4.24±0.01^B	1.10±0.00^A
	I25	4.23±0.00^B	1.13±0.06^A
	I70	4.20±0.02^B	1.13±0.12^A
W	RT	4.46±0.03^A	0.50±0.00^B
	US	4.46±0.03^A	0.57±0.06^B
	I25	4.46±0.03^A	0.50±0.00^B
	I70	4.46±0.05^A	0.50±0.00^B

NW: non-washing, W: washing.
RT: room temperature, US: ultrasonic, I25: immersion at 25℃, I70: immersion at 70℃.
Different letters indicate significant differences between different samples (p<0.05).