Table 2. Temperature change of the plate surface under different intense pulsed light treatment condition (unit: °C)

Treatment condition		Minimum temp.	Maximum temp.	△T
Voltage (V)	700	19.90±0.281)a	20.10±0.14ab	0.20b
	800	19.85±0.07a	20.30±0.14a	0.45ab
	900	18.65±0.35b	19.15±0.35a	0.50ab
	1,000	18.65±0.21b	19.5±0.57ab	0.85a
Distance (cm)	4	18.65±0.21b	19.5±0.57b	0.85b
	8	20.40±0.28a	20.80±0.28b	0.40b
	12	20.65±0.49a	20.95±0.49b	0.30b

Other treatment condition: Simmer current 0.2 A, Frequency 5 Hz, Pulse width 20 μs.
Mean±SD.
Means with different superscript letters within the same column are significantly different at p<0.05 by Duncan’s multiple range test.