Table 2. Surface and internal color of beef patty with chestnut powder

Treatment¹⁾	Surface color			Internal color
Treatment¹⁾	L^*	a^*	b^*	L^*	a^*	b^*
C0	34.52^a	7.97^a	13.62^a	48.64^a	5.99^a	16.30^a
C1	33.13^b	7.51^ab	12.30^b	47.91^ab	5.90^a	15.95^a
C2	32.90^b	7.00^bc	12.22^b	47.72^b	5.37^b	15.36^b
C3	32.05^b	6.83^c	11.79^b	46.71^c	5.09^b	15.41^b
SEM²⁾	0.409	0.137	0.258	0.218	0.086	0.139

C0, beef patty without chestnut powder; C1, beef patty with 1% chestnut powder; C2, beef patty with 2% chestnut powder; C3, beef patty with 3% chestnut powder.
n=12.
Different small letters in the same column indicate significant differences between means (p<0.05).