Table 2.

Comparisons of shake flask culture parameters of BCAAs production by different strains.

Strain	l-Leucine (g/L)	l-Valine (g/L)	l-Alanine (g/L)
FA-1△ilvE△aspB	<1	<1	2.75 ± 0.23
FA-1△ilvE△aspB/pEC-XK99E-aspC	<1	<1	2.98 ± 0.72
FA-1△ilvE△aspB/pEC-XK99E-yhdR	<1	<1	2.69 ± 0.11
FA-1△ilvE△aspB/pEC-XK99E-ywfG	<1	<1	2.45 ± 0.35

All data represent values of three determinations of three independent experiments with ±SD.