Fig. 3

Production of p-coumaryl alcohol in immobilized cells. a p-Coumaric acid (S1), detected under 340 nm; b p-coumaric acid (S1), detected under 280 nm; c reaction product of p-coumaric acid, detected under 340 nm (P1); d reaction product of p-coumaric acid, detected under 280 nm (P2); e MS/MS profile of p-coumaraldehyde under the ESI positive scan mode (P1); f MS/MS profile of p-coumaryl alcohol under the ESI negative scan mode (P2)