The stationary phase used in this study displays excellent separation of the phenolic constituents isolated from apple juice and pomace, respectively.Remarkably, all quercetin glycosides are baseline separated and do not interfere with phloretin glyco-sides. It may also be applied to the determination of phenolics in other fruits or fruit products, as ex-emplified for pear. The chromatographic system may be employed either to characterize the genuine phenolic compounds (fingerprint), to investigate the influence of technological treatment on phenolic constituents of fruits and vegetables, or for authen-ticity control. As volatile eluents were used, coupling to a mass spectrometer is possible without changing chromatographic conditions.