Table 2.

Simulated gastric and intestinal tolerance of the eight isolates

Isolates	Conditions	Log cfu/ml
		0	2	4	6 h incubation
SJ65	Control	9.30 ± 0.39	9.31 ± 0.37	9.19 ± 0.15	ND
	Artificial gastric juice	9.52 ± 0.50	7.53 ± 0.47	6.88 ± 0.82	ND
	Artificial intestinal juice	9.27 ± 0.48	ND	8.66 ± 0.33	8.12 ± 0.41
SJ9	Control	9.44 ± 0.28	9.26 ± 0.36	9.17 ± 0.36	ND
	Artificial gastric juice	9.37 ± 0.49	7.64 ± 0.29	7.14 ± 0.56	ND
	Artificial intestinal juice	9.26 ± 0.27	ND	8.15 ± 0.20	7.76 ± 0.28
SJ5	Control	9.44 ± 0.61	9.62 ± 0.21	9.00 ± 0.64	ND
	Artificial gastric juice	9.34 ± 0.50	7.94 ± 0.14	6.65 ± 0.39	ND
	Artificial intestinal juice	9.41 ± 0.33	ND	8.08 ± 0.26	7.05 ± 0.34
SJ22	Control	9.46 ± 0.37	9.15 ± 0.57	9.17 ± 0.47	ND
	Artificial gastric juice	9.11 ± 0.49	7.33 ± 0.39	7.31 ± 0.32	ND
	Artificial intestinal juice	9.09 ± 0.27	ND	8.34 ± 0.39	8.47 ± 0.53
SJ6	Control	9.34 ± 0.39	9.20 ± 0.24	9.21 ± 0.40	ND
	Artificial gastric juice	9.79 ± 0.15	7.51 ± 0.33	6.87 ± 0.09	ND
	Artificial intestinal juice	9.36 ± 0.31	ND	7.91 ± 0.16	8.07 ± 0.64
SJ33	Control	9.40 ± 0.42	9.52 ± 0.39	9.26 ± 0.40	ND
	Artificial gastric juice	9.64 ± 0.29	7.45 ± 0.30	7.14 ± 0.40	ND
	Artificial intestinal juice	9.51 ± 0.62	ND	8.52 ± 0.28	7.41 ± 0.32
SJ37	Control	9.16 ± 0.37	9.14 ± 0.59	9.34 ± 0.49	ND
	Artificial gastric juice	8.61 ± 0.22	8.34 ± 0.38	7.56 ± 0.21	ND
	Artificial intestinal juice	8.28 ± 0.36	ND	8.01 ± 0.25	7.80 ± 0.17
SJ40	Control	9.69 ± 0.19	9.24 ± 0.53	9.51 ± 0.33	ND
	Artificial gastric juice	8.30 ± 0.38	8.68 ± 0.29	7.30 ± 0.72	ND
	Artificial intestinal juice	8.20 ± 0.56	ND	8.06 ± 0.36	8.02 ± 0.44

Values are mean ± SD of three independent experiments performed in duplicate. ND – not determined