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Table 4 Metabolite analysis of culture broths of the K. pneumoniae ΔldhA mutant by repeated fed-batch fermentation at intervals of 24 h using crude glycerol as a substrate

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

Cycle number

1,3-PDO (g/L)

2,3-BDO (g/L)

Ethanol (g/L)

Acetate (g/L)

Succinate (g/L)

1,3-PDO (g/L/h)

1

79.9

40.5

6.8

2.2

10.5

3.33

2

80.1

39.5

6.5

2.3

11.2

3.34

3

79.4

40.7

6.1

1.8

12.1

3.31

4

80.5

42.1

7.4

1.7

11.7

3.35

5

79.9

39.2

6.9

1.9

10.9

3.33

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Microbial Cell Factories

ISSN: 1475-2859

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