Table 2.

pH tolerance of L. fermentum MA strains

	Control			pH 2.0			pH 3.0
	0 h	1 h	3 h	0 h	1 h	3 h	0 h	1 h	3 h
Spectrophotometric
MA-7	0.034 ± 0.004	0.043 ± 0.002	0.730 ± 0.039	0.040 ± 0.003	0.107 ± 0.002	0.044 ± 0.001	0.050 ± 0.009	0.047 ± 0.005	0.092 ± 0.005
MA-8	0.025 ± 0.006	0.062 ± 0.001	0.276 ± 0.028	0.025 ± 0.006	0.033 ± 0.001	0.028 ± 0.009	0.033 ± 0.001	0.067 ± 0.002	0.061 ± 0.001
log10 CFU/mL
MA-7	8.850 ± 0.488	9.357 ± 0.445	8.433 ± 0.139	7.573 ± 0.475	7.083 ± 0.795	8.410 ± 0.135	7.473 ± 0.295	7.670 ± 0.243	8.177 ± 0.137
MA-8	8.140 ± 0.130	8.963 ± 0.025	10.267 ± 0.366	10.103 ± 0.120	10.387 ± 1.916	7.433 ± 0.095	2.970 ± 0.061	7.723 ± 0.185	7.340 ± 0.148

Mean (± standard deviation) of results performed from twice replicates of spectrophotometric experiments. Survival colonies of strains in media prepared at different pH values (three replicates) were calculated as log₁₀ CFU/mL