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Table 2 Substrate, organic acids, cellular final concentrations, and recovered carbon for the three sequential fermentation batches using P. acidipropionici operating in four independent vessels

From: Microbial production of Propionic and Succinic acid from Sorbitol using Propionibacterium acidipropionici

 

First batch

Second batch

Third batch

Sorbitol (g L−1)

13.3 ± 0.9

1.2 ± 1.3

0.0 ± 0.0

Succinic acid (g L−1)

6.1 ± 2.1

10.0 ± 1.3

14.8 ± 0.9

Acetic acid (g L−1)

3.3 ± 0.4

2.2 ± 0.1

2.0 ± 0.3

Propionic acid (g L−1)

39.5 ± 5.2

35.8 ± 1.4

34.4 ± 1.9

Cell (g L−1)

4.3 ± 0.1

6.1 ± 0.3

9.9 ± 0.5

Carbon recovery (%)

89.2 ± 5.3

72.3 ± 3.9

74.5 ± 4.2