Table 4.
L, a, b values and ΔE of sweet potato leaves at various dry temperatures

Cultivar	Temp. (°C)	Sweet potato leaves
		L	a	b	ΔE
		Shinmi
control	38.18±1.231)a2)		-8.74±2.77c	25.61±1.27a	-
40	35.56±1.50a		-4.93±2.58b	15.97±1.10b	10.90±1.66b
50	35.28±2.07a		-3.92±1.13b	13.83±1.01bc	13.17±1.12b
60	32.91±2.44bc		-3.24±2.23b	12.94±0.68c	14.94±1.98ab
70	28.85±1.45d		-3.04±0.41b	10.51±1.87c	18.67±1.72a
Hayanmi
	70	34.39±0.84b	-4.97±2.77b	16.34±1.42b	-
	control	29.44±0.71cd	-0.72±0.25a	6.19±0.71e	12.08±0.86b
	40	29.18±1.90cd	-0.44±1.75a	5.45±1.60e	13.12±0.87b
	50	28.50±0.81d	-0.18±1.06a	5.70±0.85e	13.10±1.18b
	60	23.23±2.54e	-0.16±1.49a	7.76±1.66de	14.90±3.21ab

Each value expressed as the mean standard deviation (n=3).
Means in the same column with the different are significantly different (p<0.05) by Duncan's multiple range test.