Examination of Fermented Cider Volatiles Following Concentration on the Porous Polymer Porapak Q

The volatiles in the air above cider have been collected on Porapak Q, regenerated and examined by capillary column gas chromatography and gas chromatography-mass spectrometry. The composition of the extract differs from that obtained from distillation and extraction techniques giving increased relative concentrations of non-polar components. 105 peaks were detected and 59 components identified. Several of these have not previously been reported in ciders.