Lexicon
Hexane extraction
Industrial process to extract as much oil as possible from seeds using a solvent.
Definition
What’s behind it
In solvent extraction the oil is dissolved out of the pre-pressed seed with the hydrocarbon hexane. This way the industry gets considerably more oil than by pressing alone.
Afterwards the hexane is driven off again and the oil is refined. Only traces remain in the final product, and these are legally limited.
In brief
- Why: higher yield and lower cost , typical of cheap industrial oils.
- Consequence: the oil must then be refined, so it is heat-treated and neutralised.
- Alternative: cold-pressed oils work without solvents but are pricier and less productive.
Related terms: Cold pressing.
Said honestly
Hexane extraction is permitted and strictly regulated in the final product. Those who want to avoid the process choose cold-pressed, virgin oils. It is not a poison question but a question of processing level and standards. We give you the facts, the decision stays with you.
Source
- Cooking oil (extraction) , Wikipedia