Table 3.
Color values of the sponge cakes containing different amounts of buckwheat powder

	Color values1)	Buckwheat powder content (％)
	Color values1)	0	10	20	30
Crumb color	L	78.88±1.21^a2)	74.30±0.84^ab	72.04±1.08^b	72.72±1.02^b
	a	-2.16±0.16^d	-0.88±0.20^c	-0.44±0.15^b	-0.29±0.18^a
	b	29.37±0.53^a	24.50±0.37^b	21.18±0.14^c	22.40±0.43^bc
Crust color	L	49.82±0.78^c	55.40±1.05^bc	56.85±0.84^b	69.54±1.12^a
	a	14.48±0.78^a	13.46±0.56^b	14.05±0.92^ab	9.14±1.04^c
	b	28.50±1.25^a	28.26±0.95^a	29.39±1.06^a	29.81±0.73^a

L, lightness (white:+100~;black:0); a, redness (red:+100~green:-80); b, yellowness (yellow:+70~blue:-70).
Values are mean±SD (n=3), means followed by the same letter in a column do not significantly different (p<0.05).