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. 2023 Sep 15;9(9):e20147. doi: 10.1016/j.heliyon.2023.e20147

Table 1.

Dairy origin, catalase test, gram staining, and survival rate of isolated Lactobacillus strains after 3–4 h of incubation at 0.3% bile salt, and pH 2.5–6.6

Survival rates = ([OD600 (3–4 h)/OD600 (0 h)] × 100)
Isolated strains Origin Catalase test Gram staining Tolerance after 4 h at 0.3% bile Tolerance after 3 h at pH 2.5 Tolerance after 3 h at pH 6.6
C3 Cheese/Sheep Negative Gram-positive 57.12 ± 1.43g 40.22 ± 1.38h 111.88 ± 1.18ef
C12 Cheese/Sheep Negative Gram-positive 31.27 ± 0.97j 29.18 ± 1.29jk 113.97 ± 0.75e
C14 Cheese/Sheep Negative Gram-positive 106.80 ± 1.44a 90.36 ± 1.01a 120.31 ± 4.24b
C29 Cheese/Sheep Negative Gram-positive 87.15 ± 2.08c 78.05 ± 2.38c 102.53 ± 1.14ijk
C32 Cheese/Sheep Negative Gram-positive 12.24 ± 2.19m 18.73 ± 0.98n 107.78 ± 1.28g
C35 Cheese/Sheep Negative Gram-positive 33.84 ± 1.59ij 27.85 ± 4.32k 98.62 ± 0.94l
C42 Cheese/Sheep Negative Gram-positive 31.98 ± 1.18j 23.86 ± 1.56l 103.76 ± 1.56hij
M20 Milk/Sheep Negative Gram-positive 57.86 ± 3.24g 46.44 ± 1.36g 113.13 ± 0.77e
M22 Milk/Sheep Negative Gram-positive 93.31 ± 1.25b 80.78 ± 1.19c 110.38 ± 1.38f
M35 Milk/Sheep Negative Gram-positive 62.18 ± 2.07f 51.19 ± 1.39f 118.87 ± 1.87c
M37 Milk/Sheep Negative Gram-positive 16.28 ± 0.74l 9.08 ± 0.60op 101.12 ± 2.16ijkl
M42 Milk/Sheep Negative Gram-positive 95.63 ± 1.23b 84.58 ± 0.65b 117.34 ± 1.82cd
M48 Milk/Sheep Negative Gram-positive 39.09 ± 0.76i 30.45 ± 1.44j 95.76 ± 2.09m
Y4 Yogurt/Sheep Negative Gram-positive 21.27 ± 1.29k 21.09 ± 0.49m 105.58 ± 1.44h
Y8 Yogurt/Sheep Negative Gram-positive 77.41 ± 0.89d 71.78 ± 1.24d 125.29 ± 1.91a
Y10 Yogurt/Sheep Negative Gram-positive 15.92 ± 0.54l 11.83 ± 1.78o 103.26 ± 1.12ij
Y40 Yogurt/Sheep Negative Gram-positive 70.55 ± 1.64e 60.73 ± 2.42e 120.79 ± 2.23b
Y41 Yogurt/Sheep Negative Gram-positive 58.89 ± 1.23g 45.27 ± 1.09g 115.35 ± 1.04d
Y43 Yogurt/Sheep Negative Gram-positive 40.13 ± 0.29i 28.13 ± 2.46k 100.96 ± 2.28jkl
Y48 Yogurt/Sheep Negative Gram-positive 44.73 ± 0.59h 35.79 ± 0.76i 99.13 ± 1.78ll
Y50 Yogurt/Sheep Negative Gram-positive 20.24 ± 1.61k 7.90 ± 1.46p 103.94 ± 1.51hi

*Values are mean ± standard error of triplicates. a-p Means in the same column with different lowercase letters differed significantly (P < 0.05).