Key words: thermolysis, supercritical ethanol, terpenes, β-pinene, β-myrcene, limonene, p-menthadiene, kinetic modeling, isokinetic relationship
For the first time the procedure for isolation of oil from Evening Primrose seeds using
carbon dioxide Supercritical Fluid Extraction has been proposed. The process parameters
as a function of pressure and temperature were studied. Qualitative and quantitative analysis
of oil has been performed. The proposed method permits to produce oil of high quality
without any traces of organic solvents which is ready for practical use excluding additional
processing. In addition, the method of Accelerated Solvent Extraction (isopropanol) was
used to utilize residual grist, which allows to isolate polar polyphenolic fraction.