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Table 2 Survival of 12 strains of L. plantarum in artificial gastrointestinal juice at pH 2.5

From: In vitro screen of Lactobacillus plantarum as probiotic bacteria and their fermented characteristics in soymilk

Strains

Tolerance to simulated gastric juice at pH 2.5 (log CFU/ml)

Survival rate (%)

0 h

3 h

IMAU70089

8.889 ± 0.004

9.002 ± 0.015

129.68 a

IMAU20029

8.961 ± 0.017

8.916 ± 0.004

90.16 b

IMAU30055

8.787 ± 0.055

8.642 ± 0.056

71.54 c

IMAU60171

9.366 ± 0.017

9.079 ± 0.005

51.61 d

IMAU70004

9.184 ± 0.028

8.838 ± 0.027

45.10 d,e

IMAU10120

9.242 ± 0.061

8.823 ± 0.005

37.89 e,f

IMAU40126

8.993 ± 0.062

8.560 ± 0.059

36.87 f

IMAU70042

9.085 ± 0.040

8.400 ± 0.013

26.23 g

IMAU60042

9.073 ± 0.044

8.473 ± 0.008

25.06 g

IMAU10156

8.938 ± 0.057

8.239 ± 0.088

21.72 g

IMAU10058

9.467 ± 0.054

8.331 ± 0.043

7.31 h

IMAU40005

9.163 ± 0.046

7.728 ± 0.006

3.66 h

  1. CFU, Colony-forming units
  2. Data are presented as the mean ± standard deviation (SD) from the mean of triplicate determinations. Values within a column followed by different lowercase letters are signficantly different at P < 0.05