Comparison of lactic acid fermentation from glycerol.

Process, fermentation model and substrate	Strain	Lactic acid production			References
		Concentration (g L−1)	Productivity (g L−1 h−1)	Yield (g g−1 glycerol)
Batch, glycerol with sodium pyruvate addition	Rhizopus oryzae 9363	1.33	0.013	—	32
Batch, glycerol with lucerne green juice addition	Rhizopus oryzae NRRL 395	46.8	0.93	0.82	33
Fed-batch, glycerol	Pichia pastoris GLS	28	0.24	0.7	34
Fed-batch, glycerol with acetate addition	Enterococcus faecalis QU11	44.9	0.72	0.75	35
Fed-batch, glycerol	Escherichia coli LA20ΔlldD	50	0.6	0.89	36
Batch, glycerol	Lactobacillus sp. CYP4	30.7	1.28	0.71	37
Fed-batch, glycerol	Escherichia coli AC-521	85.8	0.97	0.88	17
Fed-batch, glycerol	Escherichia coli AC-521	90.4	1.12	0.88	This study