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Table 4 Effect of the glucose/glycerol ratio on pH and yield; and carbon balance for glycerol utilization

From: 1,3-propanediol production with Citrobacter werkmanii DSM17579: effect of a dhaD knock-out

Molar ratio glucose/glycerol

Yield (mol PDO/mol glycerol)

pH

Carbon balance glycerol (%)

1

0.90 ± 0.04

5.68 ± 0.05

95.51 ± 0.13

0.33

0.68 ± 0.05

6.07 ± 0.06

109.09 ± 1.26

0.2

0.43 ± 0.12

5.73 ± 0.24

99.80 ± 1.42

0.1

0.37 ± 0.07

5.94 ± 0.02

99.03 ± 0.35

  1. C. werkmanii DSM17579 ∆dhaD was grown in medium with several molar ratios glucose/glycerol under anaerobic conditions on flask scale. The errors represent the standard deviation calculated from two independent experiments.
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