title: Electron-donor requirements in the hydroxylation of p-coumaric acid.
mesh_terms: D004156:Catechol Oxidase / Q000378:metabolism; D003374:Coumarins / Q000378:metabolism*; D004579:Electron Transport; D010945:Plants, Edible / Q000201:enzymology
chemical_list: D003374:Coumarins; D004156:Catechol Oxidase