ZEYTINCHECK INSIGHTS
The knowledge behind great olive oil
Discover olive oil not only to buy it, but to understand it. We explain the connections between science, production and taste in accessible language.
All insights
01
Polyphenols: why do they matter in olive oil?
Explore bitterness, pungency, oxidative stability and what the scientific evidence does — and does not — support.
Read article →02
What olive-oil acidity does — and does not — tell you
A low acidity figure can be encouraging, but it does not mean an oil is automatically the best.
Read article →03
Does milling within four hours really matter?
The scientific meaning — and limits — of a “milled within four hours” claim.
Read article →04
Filtered or unfiltered olive oil?
Clarity is not everything. Understand the role of water, sediment and storage.
Read article →These articles are informational only, not medical advice or independent laboratory verification of particular products.