Table 2 Color values of cheonggukjang fermented with millimeter wave irradiation

Sample	L	a	b
Control	58.05±0.351)c2)	4.41±0.08b	16.55±0.10c
60 GHz	60.79±0.14a	4.93±0.03a	17.23±0.07a
70 GHz	59.15±0.28b	4.13±0.05c	16.78±0.05b

Mean±S.D.
^a-cMeans with different superscripts in each column indicate significant differences (p< 0.05).