Volatile Compound Fingerprints of Black Cumin (<i>Nigella sativa</i> L.) Seed Oil Extracted by Supercritical Carbon Dioxide
2021
Winatta Sakdasri | Buntita Sakulkittiyut | Somkiat Ngamprasertsith | Ruengwit Sawangkeaw
Black cumin (<i>Nigella sativa</i> L.) seed oil consists of many volatile oils dissolved in the fixed oil. In this work, the seed oil samples were obtained from supercritical CO<sub>2</sub> (SCCO<sub>2</sub>) extraction under various pressures (20.0–30.0 MPa) and temperatures (40–60 °C). The volatile compound fingerprints of SCCO<sub>2</sub>-extracted oils were analyzed by static headspace-gas chromatography (SH-GC-FID) without using any organic solvent. The comparison of volatile compound fingerprints of SCCO<sub>2</sub> and <i>n</i>-hexane extracts was compared with the direct analysis of milled seed.
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