Table 1. Growth rates, maximal optical densities, bile’s MICs and yields of biomass after low pH stress in presence of pepsin of the strains.

Strain’s group	Strains	Maximal growth rate (μmax) in MRS broth, h-1	Maximal optical density (λ = 665nm) in MRS broth	MIC of Bile, mg/ml	Yield of biomass after 3 h stay at pH 1.80 and 9000 U/ml pepsin
Probiotic strains	S10	0.115±0.012*	2.950±0.075	2.500	0.126±0.014
	S11	0.118±0.013	2.950±0.066	2.500	0.100±0.014
	S20	0.304±0.011	3.030±0.063	2.500	0.114±0.011
	S22	0.106±0.012	2.677±0.092	2.500	0.117±0.016
	S06	0.301±0.012	2.960±0.075	1.250	0.080±0.010
Moderate strains	S01	0.121±0.011	1.692±0.058	0.625	0.038±0.010
	S07	0.075±0.012	1.919±0.068	0.625	0.049±0.013
	S28	0.106±0.024	2.770±0.087	0.313	0.025±0.006
	S09	0.118±0.017	2.880±0.081	0.156	0.029±0.005
	Y12	0.150±0.027	2.023±0.074	0.625	0.041±0.006
Non-probiotic strains	S02	0.070±0.011	1.521±0.035	0.156	0.006±0.001
	S03	0.060±0.009	1.343±0.039	0.313	0.005±0.002
	S04	0.060±0.012	0.841±0.046	0.156	0.007±0.002
	S29	0.060±0.010	1.440±0.046	0.625	0.005±0.002
	S30	0.050±0.011	1.360±0.065	0.625	0.006±0.002
Moderate	S08	0.080±0.010	2.940±0.093	0.625	0.049±0.007
Probiotic	SR	0.070±0.012	1.676±0.046	1.250	0.036±0.004
Probiotic	SS	0.220±0.024	2.963±0.085	2.250	0.107±0.010

*—Standard deviations calculated based on three parallel samples scanned three consecutive times.