The Neuro Experience

The Dark Side of Olive Oil: Sourcing, Storage & Safety | Dr. Rod Mailer

Jul 15, 2025
Dr. Rod Mailer, a leading olive oil expert and pioneer in Australia’s olive oil industry, reveals shocking truths about olive oil in this discussion. He clarifies what 'extra virgin' really means and uncovers the risks of adulteration and mislabeling that plague the market. The conversation highlights the health dangers of seed oils versus the benefits of high-quality olive oil. Dr. Mailer also dives into optimal harvesting practices and the impact of freshness on oil quality, encouraging consumers to make informed choices for their diets.
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INSIGHT

Seed Oils Are Well Studied

  • Seed oils like canola have been extensively studied and modern varieties are bred to remove harmful compounds.
  • Despite some claims, there is no genuine evidence showing health risks from canola oil according to Dr. Rod Mailer.
INSIGHT

Fatty Acid Composition Matters

  • Oils differ primarily by proportions of fatty acids, not by their basic components.
  • Olive oil is high in oleic acid while many seed oils contain more polyunsaturated fats like linoleic acid, affecting their chemical behavior.
INSIGHT

Cooking Stability Depends on Saturation

  • Heating oils with multiple double bonds in fatty acids causes oxidation and formation of toxic compounds.
  • Saturated fats like palm oil are more stable for cooking because they have fewer double bonds and higher heat tolerance.
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