The botanicals are washed in a chemical solvent that pulls the aromatic compounds from the plant matter. The rind is crushed to rupture the oil sacs, and the essential oil is scraped or pressed out.
How to Make Essential Oil Purity Testing: Methods and Importance
Solvent Extraction and Beyond For delicate flowers like jasmine, rose, and tuberose, simple distillation fails to capture the complexity of the scent. Gas chromatography and mass spectrometry are scientific tools used to verify the chemical fingerprint of the oil.
For instance, lavender grown at high altitudes develops a different chemical structure than that cultivated in lowland fields. It is a straightforward physical extraction that requires minimal intervention once the raw material is prepared.
How to Make Essential Oil Purity Testing: Methods and Importance
The heat causes the volatile compounds to evaporate, and the vapor travels through a condenser where it cools and separates into water and oil. Here, solvent extraction becomes necessary.
More About How to make essential oil
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