The final step is deodorization, where the oil is heated under a vacuum to strip away volatile compounds responsible for any remaining odors or tastes. The Composition and Variability.
Canola Oil Is Made From Supercritical CO2: The Extraction Process
The name itself is a contraction of "rape" and "oil," referencing its source. This removes pigments like chlorophyll and carotenoids, resulting in the familiar light color.
This stage is critical for reducing the acid value and ensuring the oil has a neutral taste, making it suitable for high-heat applications without carrying a distinct rapeseed flavor. The first step is degumming, which removes phosphatides that would otherwise cause the oil to spoil.
Canola Oil Is Made From Supercritical CO2 Extraction
The oil then undergoes neutralization, where an alkali is added to wash away free fatty acids and any lingering impurities. This new plant, named "canola" for "Canada oil, low acid," is the direct ancestor of the oil we know today, making the canola seed the singular starting point for production.
More About Canola oil is made from
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