Table 1.
Operating conditions of GC-MS in the analysis of polycosanol

Items	Condition
Instrument	GC: HP 5890(Agilent Inc., Santa Clara, CA, USA) MS: HP 5973(Agilent Inc., Santa Clara, CA, USA)
Column	DB-1MS, fused silica capillary column 30 m (length), 0.32 mm (i. d), 0.25 µm (film thick.) 0.25 µm (film thickness)
Transfer temp.	250°C
Injector temp.	320°C
Flow rate	Helium 5 mL/min
Column temp.	Programmed from 230 to 305°C, 3°C/min 305 to 320°C, 20°C/min
MS quad. temp.	150°C
MS source temp.	230°C
Ionization	EI (70 eV)