TABLE 3.

Strain tolerance to artificial gastric fluid, artificial intestinal fluid, and bile salts

Fluid or salts exposure	Incubation time (h)	% Survival (mean ± SD) of indicated strain
		ATCC BAA-835	AM01	AM02	AM03	AM04	AM05	AM06
Artificial gastric fluid
pH 3	1.5	9.77 ± 2.89	84.88 ± 10.07	15.4 ± 12.02	0.18 ± 0.03	34.14 ± 1.76	10.98 ± 1.26	74.97 ± 2.25
	3	2.37 ± 0.58	57.75 ± 8.42	3.71 ± 1.65	0.02 ± 0	9.95 ± 1.38	1.42 ± 0.11	24.4 ± 8.3
pH 2	1.5	14.42 ± 3.79	66.04 ± 18.51	5.63 ± 3.06	31.45 ± 12.09	4.76 ± 1.43	2.43 ± 1.02	15.56 ± 1.39
	3	9.29 ± 3.22	53.20 ± 18.93	2.74 ± 1.16	3.15 ± 1.21	1.87 ± 0.45	1.17 ± 0.32	10.74 ± 1.17
Artificial intestinal fluid
pH 6.8	4	82.83 ± 1.86	88.13 ± 5.01	79.99 ± 11.89	84.74 ± 7.78	89.35 ± 13.17	129.47 ± 11.61	102.17 ± 12.17
	8	88.75 ± 9.34	107.58 ± 4.83	51.03 ± 10.80	50.435 ± 5.88	124.66 ± 13.14	117.08 ± 9.31	125.27 ± 29.88
Bile salts
0.5%	4	100.49 ± 10.83	87.96 ± 29.70	101.25 ± 3.20	95.45 ± 8.53	92.73 ± 16.38	123.85 ± 6.98	113.73 ± 12.58
	8	61.83 ± 1.82	70.60 ± 9.90	76.56 ± 2.41	99.47 ± 4.60	144.03 ± 47.64	112.88 ± 7.91	88.47 ± 21.98
1%	4	79.68 ± 5.80	65.02 ± 6.25	84.93 ± 2.49	117.09 ± 9.44	114.96 ± 39.2	114.58 ± 8.52	88.64 ± 7.56
	8	50.57 ± 10.67	49.10 ± 2.83	62.15 ± 2.31	92.83 ± 2.56	106.99 ± 20.92	80.37 ± 12.02	131.31 ± 10.11