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

Table 2

Production of D- and L-lactic acid by bacterial strain.

(g L^−1)	L. bulgaricus	Lc. lactis	L. plantarum	L. delbrueckii	L. delbrueckii lactis
D-lactic	12.35	15.40	23.87	23.44	33.42
L-lactic	15.55	14.89	22.11	27.49	7.60
Concentration	27.90	30.29	45.98	50.93	41.02
Yield*	0.52	0.55	0.94	0.99	0.93

∗Yield (grams/gram) of lactic acid from lactose.