Preliminary In Vitro Evaluation of the Probiotic Potential of the Bacteriocinogenic Strain Enterococcus lactis PMD74 Isolated from Ezine Cheese

Table 4

Survival of E. lactis PMD74 strain in the simulated gastric and intestinal juices and digestion system (log CFU·mL⁻¹).

	Time (min)	E. lactis PMD74
Simulated gastric juice control
pH 3	60	8.63 ± 0.17^a
	120	8.64 ± 0.08^a
	180	8.73 ± 0.07^a
	60	8.73 ± 0.08^a
	120	8.34 ± 0.09^a
	180	8.53 ± 0.03^a
Pepsin (3 mg·mL^−1, pH 3)	60	7.80 ± 0.21^a
	120	7.50 ± 0.11^a
	180	7.50 ± 0.05^a
Simulated intestinal juice control
Bile salt (0.3%)	60	8.64 ± 0.08^a
	240	8.50 ± 0.06^a
	60	8.50 ± 0.19^a
	240	8.30 ± 0.02^a
Bile salt (0.5%)	60	8.56 ± 0.11^a
	240	7.11 ± 0.01^a
Pancreatin (1 mg·mL^−1, pH 8.0)	60	6.60 ± 0.16^a
	240	6.47 ± 0.08^a
Simulated digestion system control
	0	8.90 ± 0.05^a
	240	8.87 ± 0.07^a
Oral cavity	5	9.04 ± 0.03^a
Gastric digestion	90	7.70 ± 0.12^a
Intestinal digestion	150	6.85 ± 0.08^a

± indicates standard deviation of three replicates. The values with the same letter (a) are not statistically significant .