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Table 3 Effect of aeration on growth of P. acidilactici in batch fermentation using 2 L stirred tank bioreactor

From: Strategies for improving production performance of probiotic Pediococcus acidilactici viable cell by overcoming lactic acid inhibition

Kinetic parameter Facultative Anaerobic
Maximum viable cell concentration (cfu/mL) 1.7 × 1012 ± 0.13a 1.2 × 1011 ± 0.21b
Time to reach maximum viable cell concentration (h) 12a 12a
Viable cell yield (cfu/gGlucose) 1.9 × 1014 ± 0.12a 1.3 × 1013 ± 0.17b
Viable cell productivity (cfu/mL h) 1.4 × 1011 ± 0.1a 9.9 × 109 ± 0.13b
Maximum lactic acid concentration (g/L) 12.98 ± 0.21a 11.32 ± 0.23b
Lactic acid yield (g/gGlucose) 0.91 ± 0.18a 0.86 ± 0.21b
Lactic acid productivity (g/L h) 0.53 ± 0.14a 0.46 ± 0.17b
  1. The results presented are the average of triplicate experiments and are expressed as mean ± standard deviation
  2. a,bMean values in the same row with different superscripts are significantly different from each other (P < 0.05)