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

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