# 03: Mediterranean Mystery: Katina Mountanos on How to Spot a Quality Extra Virgin Olive Oil

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Text version: https://stenobird.com/podcast/essential-ingredients-podcast-1367183/03-mediterranean-mystery-katina-mountanos-on-how-to-spot-a-quality-extra-virgin-olive-oil.md
Podcast: [Essential Ingredients Podcast](https://stenobird.com/podcast/essential-ingredients-podcast-1367183)
Published: 2026-08-04T13:00:00+00:00
Episode link: https://essentialingredients.libsyn.com/03-mediterranean-mystery-katina-mountanos-on-how-to-spot-a-quality-extra-virgin-olive-oil
Audio file: https://dts.podtrac.com/redirect.mp3/pscrb.fm/rss/p/pdcn.co/e/traffic.libsyn.com/secure/essentialingredients/Katina_Mountanos.mp3?dest-id=2362418
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Duration seconds: 1982

## Resource

"You can taste the quality." —Katina Mountanos Most of what's labeled "extra virgin olive oil" on grocery shelves isn't giving you the extra virgin olive oil benefits you think it is — and Kosterina founder Katina Mountanos found that out the hard way. In this episode, Justine sits down with Katina to unpack why so much store-bought olive oil tastes flat, what polyphenols actually do in the body, and why the "don't cook with olive oil, it has a low smoke point" advice you've been following is flat-out wrong. Katina traces her obsession with real olive oil back to summers on her family's farm in Koroni, Greece — and the moment, years later, that a $12 bottle from a New York supermarket tasted nothing like it. That gap sent her through an olive oil sommelier certification, a deep dive into polyphenol research, and eventually a full-time business built on transparency: harvest dates, single-origin sourcing, and third-party testing for everything from acidity to microplastics. This episode is for anyone who's stood in the oil aisle wondering which bottle is actually worth it, and for anyone rethinking what "seed oil vs olive oil" really means for their health. • High-antioxidant extra-virgin olive oil can contain 500–1,000+ mg/kg of polyphenols, compared to roughly 150 mg/kg in average grocery-store bottles. • Smoke point is not the right test for whether an oil is safe to cook with — free radical emission under heat is what actually matters, and olive oil emits far fewer than seed oils. • A bottle labeled "Italian" or "Greek" extra-virgin olive oil can still be a blend of residual oils from multiple countries and harvests, bottled together under one label. • Plastic packaging accelerates rancidity and can leach microplastics, so glass or tin with a visible harvest date is…

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