| Instrument | GC (TRACE_1300_1310, Thermo Scientific, USA) |
| Detector temp. | 230°C |
| Column | TR-FAME (100 m × 0.25 mm × 0.2 μm |
| Carrier gas and flow rate | N2, 350 mL/min |
| Injector temp. | 230°C |
| Oven condition | 100°C(0.2 min), 2°C/min, 240°C |
| Injection volume | 1.0 μL |
| Split ratio | 10:1 |