Table 4.

GC-MS method experimental conditions.

GC Parameters
Carrier gas	Helium
Column flow rate	2.1 mL/min
Oven initial temperature	75 °C (hold time: 2 min)
First temperature ramp	9.0 °C/min
Second temperature	200 °C/min (hold time: 2 min)
Second temperature ramp	15.0 °C/min
Final temperature	240 °C (hold time: 3 min)
Pressure	45.5 kPa
Injection mode	Splitless, high-pressure injection 130 kPa
Injection port temperature	150 °C
MS Parameters
Ion Source Temperature	240
Interface Temperature	240
Acquisition type	SIM
Solvent delay	6.5 min