Table 3. CIE a*, b*, residual nitrite, cured and total pigments of pork sausages as affected by different particle sizes

	Storage days
		0	3	6	9	12	15
a*	CTL¹⁾	6.60±0.1^Ac	5.80±0.1^Bd	5.76±0.26^Bd	5.83±0.25^Bd	5.97±0.2^Be	5.93±0.25^Be
	REF	11.23±0.25^Aa	11.15±0.12^Aa	11.31±0.21^Aa	11.33±0.26^Aa	11.36±0.21^Aa	11.25±0.21^Aa
	T1	7.60±0.26^Cb	9.73±0.38^Bb	10.10±0.10^Bb	10.20±0.10^Bb	10.37±0.15^ABb	10.23±0.06^ABb
	T2	5.40±0.10^Bd	6.77±0.45^Ac	7.35±0.34^Ac	7.17±0.15^Ac	7.20±0.10^Ac	7.00±0.10^Ac
	T3	4.77±0.15_Ce	6.00±0.82_Bd	6.67±0.51_ABc	6.73±0.40_ABc	6.60±0.36_ABd	6.40±0.10_Bd
b*	CTL	9.30±0.10^Ac	9.27±0.06^Ac	9.33±0.21^Ab	9.00±0.26^Ac	9.30±0.10^Ab	9.03±0.15^Ac
	REF	5.30±0.10^Ad	5.40±0.17^Ad	5.50±0.36^Ac	5.57±0.38^Ad	5.67±0.25^Ac	5.77±0.35^Ad
	T1	14.50±0.20^Aa	12.97±0.21^Bb	12.70±0.20^Ba	12.70±0.10^Bb	12.97±0.15^Ba	12.80±0.10^Bab
	T2	13.97±0.38^Ab	12.87±0.31^Bb	12.47±025^Ba	12.70±0.36^Bb	12.60±0.20^Ba	12.63±0.06^Bb
	T3	14.73±050^Aa	13.67±0.38^Ba	12.93±0.76^Ba	13.27±0.15^Ba	13.17±0.31^Ba	13.27±0.40^Bab
Residual nitrite (μg/g)	CTL	0.00^Ac	0.00^Ac	0.00^Ae	0.00^Ab	0.00^Ae	0.00^Ad
	REF	29.83±1.70^Aa	28.36±0.49^ABb	26.63±0.75^Bbc	21.50±1.21^Ca	17.60±0.61^Da	8.21±0.17^Ea
	T1	11.30±0.91^Db	36.56±3.66^Aa	33.90±4.06^Ba	23.13±1.22^Ca	12.53±0.42^Db	7.44±0.10^Eb
	T2	9.63±0.64^Cb	29.96±1.85^Ab	28.26±1.05^Ab	22.96±2.60^Ba	7.43±0.20^DEc	6.67±0.06^Ec
	T3	8.73±0.44^Db	29.10±2.13^Ab	25.93±0.52^Bc	21.7±0.66^Ca	6.8±0.15^Ed	6.56±0.07^Ec
Cured pigments (mg/kg)	CTL	22.33±0.46^Bb	19.63±0.12^Ce	24.00±0.17^Ab	10.07±0.23^Ed	10.70±0.35^Dc	7.37±0.23^Fe
	REF	48.23±0.29^Aa	25.47±0.58^Cd	32.80±0.35^Ba	15.63±0.29^Dd	14.97±0.06^Eb	13.27±0.40^Fc
	T1	11.27±0.06^Fe	38.23±0.06^Aa	30.77±0.58^Bc	24.83±0.81^Ca	15.67±0.40^Eb	17.37±0.06^Da
	T2	13.33±0.12^Fd	35.07±0.23^Ac	24.03±0.29^Bb	22.20±0.69^Cb	17.33±0.46^Da	16.13±0.29^Eb
	T3	14.97±0.23^Ec	36.23±0.98^Ab	23.03±0.29^Bd	17.70±1.39^Cc	11.43±0.23^Fc	15.97±0.12^Db
Total pigments (mg/kg)	CTL	98.17±0.12^Aa	97.00±0.17^Ba	83.23±0.75^De	83.37±0.81^De	95.37±0.23^Cb	84.13±0.06^Ea
	REF	91.47±0.58^Cd	65.53±0.64^Fe	94.37±0.23^Bb	75.57±0.46^Eb	83.03±0.23^Dd	101.17±0.23^Ab
	T1	95.70±0.17^Bb	79.80±0.35^Dc	88.67±0.58^Cd	70.50±0.35^Ed	66.73±0.23^Fe	115.83±0.64^Aa
	T2	88.87±0.23^Ce	78.47±0.46^Dd	91.50±0.52^Bc	74.00±0.17^Ec	98.47±0.23^Aa	98.33±0.46^Ac
	T3	93.07±0.06^Bc	84.40±0.69^Db	136.60±1.21^Aa	69.57±0.46^Ee	86.23±0.12^Cc	84.23±0.12^Dd

Treatments: CTL (no nitrite), REF (nitrite 150 ppm; BHT 100 ppm), T1 (celery powder 265 μm), T2 (celery powder 68 μm), T3 (celery powder 7 μm).
Means with the same letter and in the same column are not different (p>0.05).
Means with the same letter and in the same row are not different (p>0.05).