TABLE 2.

Various parameters in arabinose fermentationa

StrainLactic acid produced (g/liter)Acetic acid produced (g/liter)Arabinose consumed (g/liter)Yield (g lactic acid produced per g arabinose consumed)Max lactic acid productivity (g/liter/h)Optical purity of lactic acid (%)
ΔldhL1b8.7 ± 0.66.3 ± 0.519.6 ± 0.20.44 ± 0.030.37 ± 0.0399.8 ± 0.1
ΔldhL1-xpk1::tktc38.6 ± 1.80.4 ± 0.047.4 ± 1.70.82 ± 0.053.78 ± 0.1299.9 ± 0.0
  • a Values represent means ± standard deviations for three independent experiments.

  • b Values after 36 h of cultivation.

  • c Values after 27 h of cultivation.