Table 2 ʟ-Tryptophan production using BCTRPG under different dissolved oxygen (DO) levels

Biomass (g/L)

23.31 ± 0.58

24.23 ± 0.52

25.22 ± 0.53

ʟ-Tryptophan (g/L)

13.31 ± 0.28

14.51 ± 0.31

15.33 ± 0.32

Maximum concentration of acetate (g/L)

2.54 ± 0.06

2.33 ± 0.05

2.04 ± 0.06

Consumption concentration of acetate (g/L)

0.70 ± 0.02

0.75 ± 0.03

0.92 ± 0.03

Accumulation of acetate (g/L)

1.84 ± 0.05

1.58 ± 0.04

1.12 ± 0.04