Effect of Oxygen and Redox Potential on Glucose Fermentation in Thermotoga maritima under Controlled Physicochemical Conditions

Table 1

Batch balance for Thermotoga maritima grown on BM under anoxic conditions.

Phase	Glucose consumed (mM)	Biomass (mg cdw L^−1)	Fructose produced (mM)	End-products of metabolism (mM)						Carbon balance (%)
				Acetate	Lactate	Alanine	EPS	CO2	H2
Growth	6.24	83.4 ± 17	1.24	6.51	1.34	0.9 ± 0.2	1.39 ± 0.7	7.90	13.24	116.0 ± 18
Stationary growth	11.17	24.3 ± 17	0.38	11.54	3.02	0.7 ± 0.2	0.0 ± 0.7	11.74	24.85	72.0 ± 11
Overall fermentation	17.41	107.7 ± 17	1.62	18.05	4.36	1.6 ± 0.2	1.39 ± 0.7	19.64	38.09	87.8 ± 10

Fermentation runs were conducted at 80°C under anoxic conditions using the BM.
Growth phase (0–15.9 h); stationary growth phase (15.9–47 h).
cdw: cell dry weight.
EPS: Extracellular polysaccharides.