An HPLC method for the determination of Pericarpium papaveris in foods accompanied with some fragrant substances is described. The Pericarpium papaveris in food was extracted in alkaline condition with CHCl\-3 C\-2H\-5OH (9∶1, V/V )and analyzed by reversed phase HPLC by using a YWG C\-6H\-5 column and acetonitrile methanol water as mobile phase.The calibration curves of papaverine, morphine and codeine were linear in the range of 1.2 mg/L 100 mg/L and the mean recoveries were from 79.3% to...