This disproportionate intake promotes a pro-inflammatory state within the body. Rapeseed oil is exceptionally high in polyunsaturated fats, which are chemically unstable and highly susceptible to oxidation when exposed to heat, light, and air.
Evidence of Cardiovascular Damage from Rapeseed Oil's High Omega-6 and Oxidation Risk
The Omega-6 Dominance Perhaps the most significant nutritional concern regarding rapeseed oil is its skewed fatty acid ratio. Modern Western diets, heavily reliant on processed foods and industrial seed oils, are overwhelmingly high in omega-6s.
This process is necessary to remove the naturally occurring compounds, specifically glucosinolates and erucic acid, which give the plant its characteristic bitter taste and were once linked to toxicity. Susceptibility to Oxidation The stability of a cooking oil is paramount to its safety and nutritional value.
Evidence of Cardiovascular Damage from Rapeseed Oil's High Omega-6 and Oxidation Susceptibility
The high heat required during pressing and solvent extraction creates oxidized compounds and trans fats, while the subsequent deodorization step, which eliminates unwanted odors, strips the oil of any natural antioxidants, leaving behind a nutritionally void product that relies on synthetic vitamin E for stability. Rapeseed oil contains approximately 20% omega-6 fatty acids, primarily in the form of linoleic acid, and only about 10% omega-3s.
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