Table 5.

Growth parameters of selected probiotic lactobacilli strains.

Strains	Growth parameters	Culture media
		Mpep	Mgl	Mlac	Mw	Msm	MRS	MRSc†
	μ (h-1)	0.06	0.76	0.67	0.10	0.13	0.48	0.31
L. acidophilus CRL2074	Growth potential	0.07	4.97	4.40	0.22	0.30	2.12	1.35
	CFU/ml max	1.20 × 103	2.80 × 109	2.80 × 109	2.00 × 105	1.00 × 105	1.08 × 109	1.20 × 108
	OD560 nm max	0.30	1.70	ND	ND	ND	1.50	1.80
	μ (h-1)	0.05	0.22	0.39	0.15	0.18	0.45	0.84
L. amylovorus CRL2116	Growth potential	0.11	3.13	4.11	1.60	2.14	1.97	3.67
	CFU/ml max	1.30 × 104	9.55 × 107	1.29 × 109	4.00 × 106	1.40 × 107	5.14 × 108	9.70 × 108
	OD560 nm max	0.10	1.30	ND	ND	ND	1.80	1.90
	μ (h-1)	0.08	1.10	0.36	0.78	0.10	0.51	0.44
L. mucosae CRL2069	Growth potential	0.18	4.78	2.39	5.14	1.00	1.29	0.96
	CFU/ml max	1.70 × 105	6.03 × 109	8.90 × 108	1.40 × 108	1.00 × 106	1.62 × 109	1.23 × 108
	OD560 nm max	0.15	1.80	ND	ND	ND	1.60	1.8
	μ (h-1)	0.20	0.58	0.56	0.42	0.36	0.62	0.38
L. rhamnosus CRL2084	Growth potential	2.08	0.75	2.44	1.86	1.57	1.11	1.69
	CFU/ml max	2.48 × 107	3.24 × 108	1.12 × 109	1.80 × 108	2.00 × 108	7.55 × 108	8.70 × 108
	OD560 nm max	0.60	1.85	ND	ND	ND	1.70	1.90

ND, no determined; ^†MRSc, MRS pH controlled; OD_560nm max was determined only in clear media at the incubation time indicated in brackets.