The 4-hydroxylation of cinnamic acid by sorghum microsomes and the requirement for cytochrome P-450.

Carbon Monoxide/pharmacology Carbon Radioisotopes Cell Membrane/enzymology Chromatography, Paper Cinnamates/metabolism Cytochrome P-450 Enzyme System/metabolism Kinetics Light Mathematics Microsomes/drug effects,enzymology Mitochondria/enzymology Mixed Function Oxygenases/metabolism NADP Oxidation-Reduction Oxygen Consumption Plant Cells Plants/enzymology Poaceae/cytology,enzymology Quinones/pharmacology Spectrophotometry Spectrophotometry, Ultraviolet

Carbon Radioisotopes Cinnamates Quinones NADP Carbon Monoxide Cytochrome P-450 Enzyme System Mixed Function Oxygenases