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

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

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

ISSN: 2731-3654