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Table 2 Metabolite analysis of culture broths of the K. pneumoniae ΔldhA mutant grown for 24 h by fed-batch fermentation using crude glycerol as a substrate with different inoculum concentrations

From: Efficient production of 1,3-propanediol from crude glycerol by repeated fed-batch fermentation strategy of a lactate and 2,3-butanediol deficient mutant of Klebsiella pneumoniae

Inoculum concentration (g/L) 1,3-PD (g/L) 2,3-BD (g/L) Ethanol (g/L) Acetate (g/L) Succinate (g/L) 1,3-PD (g/L/h)
0.4 63.2 27 7.2 2.1 10.3 2.63
1.6 69.9 41.4 6.6 2.0 11.2 2.91
3.2 81.1 37.5 5.7 1.5 7.9 3.38
4.8 29.2 18 6.1 1.8 6.4 1.22