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Table 2 Concentrations of acetate and lactic acid in batch cultivation of C. crenatum SYPA 5, P1 (SYPA 5/phbCAB) and P2 (SYPA 5/phbCAB-ppnK)

From: Effect of Polyhydroxybutyrate (PHB) storage on l-arginine production in recombinant Corynebacterium crenatum using coenzyme regulation

By-products

Concentration (g/L)

24 h

48 h

60 h

84 h

96 h

Acetate

 C. crenatum SYPA 5

2.02 ± 0.03

1.74 ± 0.02

1.50 ± 0.01

0.82 ± 0.02

0.74 ± 0.01

 C. crenatum P1

2.13 ± 0.03

1.81 ± 0.02

1.69 ± 0.02

1.37 ± 0.02

1.18 ± 0.01

 C. crenatum P2

2.08 ± 0.04

1.88 ± 0.02

1.46 ± 0.02

1.01 ± 0.02

0.94 ± 0.02

Lactic acid

 C. crenatum SYPA 5

2.26 ± 0.03

1.80 ± 0.02

1.35 ± 0.02

1.07 ± 0.02

0.86 ± 0.01

 C. crenatum P1

2.37 ± 0.03

1.97 ± 0.03

1.65 ± 0.02

1.76 ± 0.02

1.95 ± 0.02

 C. crenatum P2

2.21 ± 0.01

1.78 ± 0.03

1.29 ± 0.02

1.37 ± 0.02

1.50 ± 0.02

  1. Each data represented the average value of three independent measurements