Table 4. Color values of jeungpyeon according to the amounts of O. japonica powder added

	L	a	b
CON1)	72.72±0.79a2)3)	−1.33±0.04e	1.45±0.16d
OJ 2%	59.03±1.00b	3.67±0.49d	13.05±1.06c
OJ 4%	52.76±1.38c	5.88±0.28c	14.25±0.91b
OJ 6%	49.66±1.23d	6.62±0.30b	14.72±1.18b
OJ 8%	34.09±4.62e	7.19±0.69a	15.39±1.22a
F-value	1,086.829***4)	1,992.438***	1,015.695***

CON, no O. japonica powder added; OJ 2%, added O. japonica powder at 2%; OJ 4%, added O. japonica powder at 4%; OJ 6%, added O. japonica powder at 6%; OJ 8%, added O. japonica powder at 8%.
All values are mean±SD (n=20).
Values with different superscript letters (^a-e) within a column indicate significant differences by Duncan’s multiple range test (p<0.05).
^***p<0.001.