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Table 2 Tolerance of the strains to acidic pH and bile salts at 37 °C for 0 and 4 h (log CFU/mL)

From: Sustainable microbial cell nanofactory for zinc oxide nanoparticles production by zinc-tolerant probiotic Lactobacillus plantarum strain TA4

StrainpHBile
2.53.50.3%0.6%
0 h4 hSR  %0 h4 hSR  %0 h4 hSR  %0 h4 hSR  %
TA49.22 ± 0.049.12 ± 0.0179a9.36 ± 0.029.32 ± 0.0690.5a8.93 ± 0.078.85 ± 0.1183.2a9.06 ± 0.179.01 ± 0.1988.5a
SC89.23 ± 0.059.00 ± 0.0759.9a9.24 ± 0.079.20 ± 0.1091.5a9.05 ± 0.188.95 ± 0.0581.5a9.05 ± 0.159.00 ± 0.1490.3a
FF29.24 ± 0.029.16 ± 0.1185.1a8.98 ± 0.058.95 ± 0.0891.8a9.02 ± 0.028.91 ± 0.0578.1a8.72 ± 0.038.67 ± 0.1188.1a
MPJ109.35 ± 0.079.20 ± 0.1170.4a9.22 ± 0.059.20 ± 0.0594.3a9.02 ± 0.048.97 ± 0.0489.9a8.75 ± 0.098.64 ± 0.0476.7a
  1. The results are expressed as mean (n = 3) ± SD, and values within the same column with different superscript letters indicate statistical differences in each strain according to Tukey’s test at p < 0.05. The means are presented as log-transformed values of CFU/mL of the strains
  2. SR% survival rate percentage