1.14.14.96 trans-5-O-(4-coumaroyl)-D-quinate + [reduced NADPH-hemoprotein reductase] + O2 specific for the trans isomer, final step in the chlorogenic acid pathway, reaction is greatly enhanced by irradiation with blue/uv light 1.14.14.96 trans-5-O-(4-coumaroyl)shikimate + [reduced NADPH-hemoprotein reductase] + O2 70% of the activity compared to trans-5-O-(4-coumaroyl)-D-quinate, specific for the trans isomer