The essential oil of lotus leaf was extracted by simultaneous distillation-extraction (SDE), and 91 components of the essential oil were separated and identified by fused silica capillary column GC/MS/DS, covering 95.64% of the chromatographic total peak area. Of these components, 38 were finally identified by dual column temperature-programmed retention indexes with corresponding authentic samples, occupying 64.20% of the total peak area. Cis-3-hexenol (27.49%), 2-penten-l-ol(E)-(11.07%), l-pen-ten-3-ol (9...