Table 8.

Growth parameters and their 95% confidence limits and coefficients of determination (r ²), SSE, and RMSE of fit obtained with different growth models for average plate count growth curves of Listeria monocytogenes CECT 4031 at 37°C in TSB+YE inoculating 10², 10⁴, and 10⁶ CFU mL⁻¹ shown in Figure 3(b).

Growth model	Initial concentration (CFU mL−1)	Lag time (h)	Growth rate (log cycles h−1)	y 0  (log CFU mL−1)	C  (log cycles)	β	r 2	SSE	RMSE
Three-phase linear	102	2.00 (1.85–2.14)	0.487 (0.467–0.506)	1.988 (1.820–2.150)	—		0.997	0.0346	0.0620
	104	1.95 (1.75–2.06)	0.432 (0.424–0.441)	4.006 (3.970–4.040)	—		0.986	0.1525	0.1235
	106	2.00 (1.78–2.24)	0.423 (0.402–0.441)	6.113 (5.870–6.360)	2.554		0.985	0.0916	0.1070
Gompertz	102	2.13 (1.63–2.63)	0.542 (0.510–0.574)	1.803 (1.599–2.007)	6.071 (4.105–8.038)		0.997	0.0406	0.0672
	104	2.22 (1.63–2.81)	0.503 (0.443–0.564)	3.932 (3.755–4.109)	3.917 (2.982–4.852)		0.993	0.0691	0.0870
	106	2.27 (1.70–2.83)	0.485 (0.417–0.554)	6.009 (5.856–6.163)	3.227 (2.604–3.85)		0.992	0.0655	0.0853
Logistic	102	1.73 (0.75–2.71)	0.559 (0.511–0.606)	1.501 (1.086–1.917)	5.297 (3.521–7.073)		0.995	0.0614	0.0826
	104	1.91 (0.72–3.10)	0.513 (0.428–0.597)	3.715 (3.340–4.091)	3.739 (2.689–4.79)		0.989	0.1087	0.1099
	106	2.12 (1.18–3.06)	0.501 (0.415–0.587)	5.863 (5.599–6.127)	3.073 (2.465–3.681)		0.990	0.0841	0.0967
Richards	102	2.13 (1.41–2.85)	0.003 (−2.733–2.738)	1.803 (1.282–2.323)	6.068 (0.701–11.440)	0.002 (−1.865–1.868)	0.996	0.0407	0.0713
	104	2.22 (1.57–2.86)	0.0008 (−2.303–2.304)	3.932 (3.614–4.250)	3.917 (2.384–5.450)	0.0006 (−1.686–1.687)	0.992	0.0691	0.0929
	106	2.27 (1.70–2.84)	0.013 (0.011–0.015)	6.008 (5.854–6.163)	3.222 (2.601–3.843)	0.01a	0.992	0.0657	0.0854
Baranyi	102	2.07 (1.84–2.31)	0.514 (0.494–0.534)	1.891	—		0.999		0.0453
	104	1.86 (1.34–2.37)	0.447 (0.410–0.483)	3.896	—		0.993		0.0875
	106	2.14 (1.64–2.64)	0.460 (0.402–0.517)	5.996	2.774		0.993		0.0774

^aValue fixed at bound.