Table 3. Color values of yanggaeng added with different contents of Spiraea salicifolia water extract powder

Group (%)	Color value1)
	L*	a*	b*	ΔE
0 (Control)	30.02±0.622)d3)	7.65±0.63d	7.37±0.75d	0
3	28.83±0.08c	5.88±0.17c	6.57±0.23c	1.42
6	27.72±0.14b	5.30±0.34b	6.24±0.26b	5.29
12	26.56±0.18a	4.75±0.44a	6.06±0.34a	11.95

L^*, degree of lightness (+100=white, 0=black); a^*, degree of redness (+100=red, −80=green); b^*, degree of yellowness (+70=yellow, −70=blue); ΔE, overall color difference.
All values are mean±SD (n=3).
Means with different superscript letters in the same column are significantly different at p<0.05 by Duncan’s multiple range test (d>c>b>a).