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Table 2 Production profiles of metabolites in the engineered L. lactis after 72 h of cultivation with 1% glucose

From: Production of R- and S-1,2-propanediol in engineered Lactococcus lactis

Strains

OD600

Glucose consumption (g/L)

R-, S-1,2-PDO (g/L)

D-, L-lactate (g/L)

Acetate (g/L)

Ethanol (g/L)

L. lactis LL1

5.16 ± 0.06

9.36 ± 0.03

0.69 ± 0.00 (6.90 ± 0.01)a

0.33 ± 0.00 (3.30 ± 0.02)

0.23 ± 0.04 (2.46 ± 0.46)

0.04 ± 0.01 (0.42 ± 0.15)

L. lactis LL2

5.00 ± 0.22

9.43 ± 0.09

0.50 ± 0.02 (5.00 ± 0.01)

0.35 ± 0.05 (3.50 ± 0.03)

0.13 ± 0.01 (1.33 ± 0.13)

0.03 ± 0.02 (0.32 ± 0.15)

  1. aYield (%, g/g-glucose  ×  100)