Table 2.

Effect of agitation speed on 1,3-propanediol production in batch fermentation of L. reuteri CH53 using glucose and glycerol as co-substrates

Agitation speed (rpm)	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)	Residual glucose (g/L)
50	8.40 ± 0.26	14.79 ± 0.38	7.09 ± 0.26	13.27 ± 0.39	0.73 ± 0.02	1.83 ± 0.05	0.00	0.00
100	8.35 ± 0.24	15.58 ± 0.56	4.77 ± 0.18	14.18 ± 0.38	0.78 ± 0.03	1.95 ± 0.07	0.00	0.00
200	6.71 ± 0.18	10.75 ± 0.42	4.10 ± 0.16	10.18 ± 0.24	0.72 ± 0.01	1.34 ± 0.05	2.02 ± 0.48	1.42 ± 0.26
300	6.20 ± 0.09	7.57 ± 0.31	3.05 ± 0.09	7.73 ± 0.22	0.71 ± 0.06	0.95 ± 0.04	9.35 ± 0.56	4.02 ± 0.35