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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

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Microbial Cell Factories

ISSN: 1475-2859

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