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Table 2 Effect of pre-adaptation on lactic acid production by B. coagulans MA 13 in SSF, using an inoculum size of 0.01 gcells/gWIS

From: Seed culture pre-adaptation of Bacillus coagulans MA-13 improves lactic acid production in simultaneous saccharification and fermentation

Hydrolysate in seed medium (%) Process time (h) LA avg. vol. productivity (g/(L h)) LA max. vol. productivity (g/(L h)) LA avg. spec. productivity (10−11 g/(CFU h)) LA yield (g/g)a
0 30 1.11 ± 0.13 1.93 ± 0.00 0.52 ± 0.02 1.23 ± 0.05
30 15 1.74 ± 0.11 2.83 ± 0.09 1.11 ± 0.07 1.02 ± 0.12
40 24 1.23 1.91 2.06 0.97
50 24 1.19 ± 0.01 2.04 ± 0.06 1.15 ± 0.13 0.83 ± 0.04
  1. Average ± span to minimum and maximum values
  2. ag of lactic acid/g of glucose, consumed