Table 2.

Parameter values (means ± SD) of the Logistic equations (A.1) and (A.2) obtained by considering different time intervals for the first and second growth phases in the second realkalized fed-batch culture of Ent. faecium CECT 410 in whey.

Length of the first growth phase
Parameter	0–36 h	0–48 h	0–60 h
K1	0.625 ± 0.0389 a	0.649 ± 0.0207 a	0.648 ± 0.0137 a
c1	1.458 ± 0.1972 a	1.460 ± 0.1744 a	1.460 ± 0.1560 a
b1	0.099 ± 0.0167 a	0.100 ± 0.0123 a	0.100 ± 0.0100 a
Length of the second growth phase
Parameter	36–180 h	48–180 h	60–180 h
K2	3.642 ± 0.0116 a	3.634 ± 0.0102 b	3.635 ± 0.0105 c
c2	2.856 ± 0.0300 a	2.906 ± 0.0291 b	2.898 ± 0.0319 c
b2	0.021 ± 0.0002 a	0.022 ± 0.0002 a, b	0.022 ± 0.0003 b

Statistically significant coefficients (P < .05) are expressed as means ± standard errors. The mean values within rows followed by the same letter are not significantly different (P > .05) from each other.