Fig. 4From: Production of (R)-mandelic acid from styrene, L-phenylalanine, glycerol, or glucose via cascade biotransformationsTime course of producing (R)-MA from glycerol via coupled E. coli (NST74-Phe) and E. coli (P2S2A). a Fermentative production of L-Phe from glycerol with E. coli (NST74-Phe). b Biotransformation of L-Phe to (R)-MA by adding E. coli (P2S2A) cells into glycerol-fermented media of E. coli (NST74-Phe)Back to article page