Table 1. Instrument and condition of gas chromatograph used Agilent DB FastFAME column

Parameter	Value / condition
GC system	8,860 GC/FID
Inlet	Split, 240°C
FID	240°C, H2 flow: 30 mL/min, air flow: 300 mL/min
Column	DB FastFAME, carrier gas: Helium
Oven	Temperature gradient 40°C–230°C
Injection	1.0 µL