The reference layer behind our rankings: how polyphenols work, how labs measure them, and how to buy well.
Oleocanthal, oleacein, hydroxytyrosol — what they are, why they matter, and what the EU health claim actually permits.
In progress
qNMR vs HPLC-DAD vs Folin-Ciocalteu: why the same oil gets different numbers, and why we never convert between methods.
In progress
Polyphenols decline from the moment of milling. How to read harvest dates, best-before dates, and freshness chemistry.
In progress
How Greek, Italian, and Spanish growing regions and cultivars shape phenolic content.
In progress
Early harvest, cold extraction, malaxation, and filtration — the production decisions that raise or destroy polyphenols.
In progress
Light, heat, and oxygen management to keep the phenols you paid for.
In progress