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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 conditionBiomass (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 ± 0.141.51 ± 0.090.27 ± 0.033.71 ± 0.160.55 ± 0.080.15 ± 0.0117.38 ± 0.31
Anaerobic (N2: 1.0 vvm)7.02 ± 0.2411.88 ± 0.123.82 ± 0.1110.99 ± 0.850.60 ± 0.011.19 ± 0.010.27 ± 0.18
Unaerated6.98 ± 0.3811.57 ± 0.243.79 ± 0.1310.94 ± 0.730.61 ± 0.021.16 ± 0.021.07 ± 0.13