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Table 1 Effect of different aeration conditions on 1,3-propanediol production in batch fermentation of L. reuteri CH53 using glucose and glycerol as co-substrates

From: Enhancement of 1,3-propanediol production from industrial by-product by Lactobacillus reuteri CH53

Aeration condition

Biomass (OD600)

1,3-PDO (g/L)

Acetate (g/L)

Lactate (g/L)

Y1,3-PDO/gly g/g)

Q1,3-PDO (g/L/h)

Residual glycerol (g/L)

Aerobic (air: 1.0 vvm)

2.03 ± 0.14

1.51 ± 0.09

0.27 ± 0.03

3.71 ± 0.16

0.55 ± 0.08

0.15 ± 0.01

17.38 ± 0.31

Anaerobic (N2: 1.0 vvm)

7.02 ± 0.24

11.88 ± 0.12

3.82 ± 0.11

10.99 ± 0.85

0.60 ± 0.01

1.19 ± 0.01

0.27 ± 0.18

Unaerated

6.98 ± 0.38

11.57 ± 0.24

3.79 ± 0.13

10.94 ± 0.73

0.61 ± 0.02

1.16 ± 0.02

1.07 ± 0.13