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Table 2 Co-culture fermentation yield of products after 96 h at different ratios of inoculation

From: Synergy at work: linking the metabolism of two lactic acid bacteria to achieve superior production of 2-butanol

L. lactis:L. brevis

Glucose cons. (mM)a

2-Butanol (mol/mol glucose)

2-Butanone

By-productsb

1:1

120 ± 3.4

0.48 ± 0.02

0.03 ± 0.01

0.80 ± 0.05

1:4

82.6 ± 3.3

0.08 ± 0.01

0.02 ± 0.001

1.64 ± 0.02

4:1

135 ± 3.4

0.58 ± 0.01

0.04 ± 0.01

0.58 ± 0.01

  1. Yield was calculated from the fermentation experiment shown in Fig. 2. Average of three independent experiments with standard deviations
  2. ND not detected
  3. aGlucose consumed
  4. bBy-products, sum of acetate, ethanol, and lactate