The main advantage of biochemical conversion technologies is the high product selectivity of the biocatalyst (Foust et al., 2009).
The enzymes that catalyze the biochemical reactions produce highly specific products. Hence,
metabolic engineering and synthetic biology can be used to alter the
metabolic pathway and regulate only specific enzymes to increase the desired
product yields (Fischer et al., 2008; Percival Zhang et al., 2006). Another
advantage of the biochemical processes is that they are usually operated at
ambient temperature and pressure, unlike the chemical processes.