Table 1 Instrumental condition for the analysis of components in caraway oil
Instrument | GCMS-2010 (Shimadzu Co. Ltd., Kyoto, Japan) | ||
|---|---|---|---|
Injection | 1.0 uL (splitless) | ||
Column | DB-WAX (30 m × 0.25 μm × 0.25 mm) | ||
Flow | 1.0 mL/min | ||
Injector temperature | 200 ℃ | ||
Oven condition | Rate(℃/min) | Temp(℃) | Hold time(min) |
Initial | 80 | 2 | |
10 | 170 | 2 | |
2 | 190 | 0 | |
10 | 240 | 5 | |
Mass spectrometer condition | |||
Ion source | EI | ||
Selected ion (m/z) | Compound | Quantitative | Qualitative |
Carvone | 93 | 108, 106 | |
Limonene | 93 | 107, 121 | |