Probiotic Potential of Lactobacillus Strains with Antimicrobial Activity against Some Human Pathogenic Strains

Table 2

Viability of Lactobacillus strains (logCFU/mL) after 3 h exposure to pH 3 and pH 7.2 (control).

Lactobacillus strain	Cell viability (logCFU/mL)^1		Reduction in cell viability (log units)^1
	pH 7.2	pH 3
L. casei Shirota*	7.11±0.07	6.74±0.06	0.37^a
L. acidophilus HM1	7.22±0.07	7.15±0.06	0.07^bc
L. fermentum HM2	7.30±0.03	7.16±0.05	0.14^bc
L. fermentum HM3	7.85±0.07	7.69±0.10	0.16^bc
L. buchneri FG1	6.97±0.03	6.83±0.05	0.14^bc
L. buchneri FD1	7.43±0.05	7.25±0.03	0.18^b
L. buchneri FD2	7.16±0.06	7.16±0.04	0.00^c
L. casei BF1	7.30±0.03	7.27±0.03	0.03^bc
L. casei BF2	7.48±0.08	7.46±0.07	0.02^bc
L. casei BF3	7.12±0.05	6.78±0.07	0.34^a

1Values are means ± SD of two independent experiments, each with triplicate.
a--cMeans within a column with different superscripts are significantly different (𝑃<0.05).
*Reference strain.