Objective To investigate the oscillopolarography synthetic food colorants on the determination of the application.Method Oscillopolarography common vegetables red,carmine,sunset yellow,lemon yellow and bright yellow synthesis of five kinds of food coloring agent,a minimum concentration of detection and detection,the standard curve linear range,plus recovery experiment.Results Five kinds of components measured in the recovery rate between 88.6%-101.3%;combination oscillopolarography samples with high-perform...