Figure 1

Metabolic pathways to acetoin and 2,3-butanediol optical isomers in B. licheniformis . AR, acetoin reductase (forward reaction); BDH, 2,3-butanediol dehydrogenase (reverse reaction); NADH, nicotinamide adenine dinucleotide.
Metabolic pathways to acetoin and 2,3-butanediol optical isomers in B. licheniformis . AR, acetoin reductase (forward reaction); BDH, 2,3-butanediol dehydrogenase (reverse reaction); NADH, nicotinamide adenine dinucleotide.