Table 3
Color change of sliced ginseng depending on far infrared drying time

Time (min)1)	L	a	b	ΔE
0	34.67±3.26^c2)3)	9.22±0.84^bc	19.91±2.15^c
15	33.77±4.18^c	9.37±1.00^bc	19.78±2.97^c	0.92
30	32.26±1.75^b	10.30±1.04^c	19.60±1.77^c	2.66
45	24.77±2.38^a	8.19±2.19^b	12.61±2.54^b	12.34
60	25.75±2.83^a	5.58±2.50^a	7.19±2.62^a	15.96
75	26.28±2.93^a	5.58±3.24^a	7.75±3.56^a	15.22
90	26.40±2.99^a	4.20±1.55^a	6.69±3.23^a	16.38

The sliced ginseng was dried at 65℃.
Values are mean SD of 6 times determinations.
Means with in a column followed by the same letters are not significantly different based on Duncan’s multiple range (p<0.05).