Fig. 9From: Overexpression of artificially fused bifunctional enzyme 4CL1–CCR: a method for production of secreted 4-hydroxycinnamaldehydes in Escherichia coli Production of caffealdehyde in E. coli M-4CL1–CCR. a caffeic acid (S2), Internal standard (IS); b reaction product of caffeic acid (P2); c MS/MS profile of S2; d MS/MS profile of P2.Back to article page