Table 4. Color values of rice muffins prepared with chestnut powder

	CON	2.5%	5%	7.5%	10%	F-value
L value1)	80.34±0.74a2)3)	67.00±3.28b	61.74±0.75c	57.59±0.87d	55.16±0.64e	609.972***
a value	−3.46±0.07e	3.17±1.55d	5.45±0.16c	6.61±0.12b	7.17±0.17a	586.001***
b value	23.62±0.53a	18.43±1.32b	18.57±0.45b	18.33±0.48b	17.80±0.54c	162.722***

L, lightness; a, redness/greenness; b, yellowness/blueness.
All values are mean±SD (n=5).
Different superscript letters (^a-e) within the same row indicate significant differences by Duncan’s multiple range test (p<0.05) ^***p<0.001.