The SPME extract was injected into the port of an Agilent 7890A-5975C GC/MSD equipped with a DB-5 capillary column (30 m × 0.25 mm, 0.25 μm film thickness) (Agilent Technologies) and desorbed at 250 °C for 3 min
The SPME extract was injected into the port of an Agilent7890A-5975C GC/MSD equipped with a DB-5 capillary column(30 m × 0.25 mm, 0.25 μm film thickness) (Agilent Technologies) anddesorbed at 250 °C for 3 min