TABLE 2.

Various parameters in lactic acid fermentation^a

Parameter	Glucose fermentation		Starch fermentation
	WT/pCUSαA	ΔldhL1/pCUSαA	WT/pCUSαA	ΔldhL1/pCUSαA	ldhL1::amyA strain
Max volumetric productivity (g/liter/h)	4.51 ± 0.06	4.54 ± 0.44	4.52 ± 0.14	3.86 ± 0.38	2.06 ± 0.21
Yield (g lactic acid produced per g of total sugar consumed)	0.89 ± 0.03	0.89 ± 0.03	0.83 ± 0.03	0.85 ± 0.03	0.86 ± 0.02
Optical purity of produced lactic acid (%)	12.6 ± 3.11	99.7 ± 0.04	4.0 ± 0.74	99.6 ± 0.04	99.2 ± 0.37

^aThe values represent means ± standard deviations for three independent experiments.