Lactic Acid Yield Using Different Bacterial Strains, Its Purification, and Polymerization through Ring-Opening Reactions

Table 1

Yields obtained in different fermentation conditions using lactic acid bacteria.

LAB	System	pH/𝑇°C	Yield∗	Reference
L. plantarum	Batch	6.0/35	0.84	[5]
L. helveticus	Continuous	5.5/42	0.84	[6]
L. delbrueckii lactis	Batch	6.2/37	0.96	[7]
L. delbrueckii	Batch	5/50	0.92	[8]
L. delbrueckii lactis	Batch	5.5/42	0.9	[9]
Lactococcus Lactis	Batch	6.0/38	0.94	[10]
L. bulgaricus	Batch	5.5–6.0/38	0.98	[11]
L. plantarum	Batch	6.4/42	1.5	[12]

LAB: lactic acid bacteria; 𝑇: temperature; ∗Yield (grams/gram) of lactic acid from lactose.