Extra virgin olive oil

Extra virgin olive oil is the highest commercial grade of olive oil. It must be produced directly from olives using mechanical or other physical methods, without refining and without treatments that alter the oil's natural properties.

However, classification is only the starting point. Two extra virgin olive oils can differ greatly in freshness, taste, origin, polyphenol content, and documented quality. That's where the premium difference begins.

What does extra virgin olive oil mean?

Extra virgin olive oil is a subcategory of virgin olive oil. This means that the oil comes from olives and is extracted using mechanical methods, such as crushing, centrifuging, and filtering.

To be called extra virgin, the oil must meet both chemical and sensory requirements. It cannot just "look right" in an analysis. It must also have fruitiness and be free from sensory defects.

Therefore, an oil that does not meet the sensory requirements cannot be saved by low acidity. And an oil that tastes clean but has incorrect chemical values also cannot be classified as extra virgin.

The most important requirements

The most well-known requirement is free acidity, expressed as oleic acid. For extra virgin olive oil, it must not exceed 0.8 g per 100 g of oil.

Acidity indicates something about the condition of the raw material and how the olives have been handled before and during pressing. Lower acidity is often positive, but it doesn't tell the whole story. Taste, oxidation, purity, and freshness must also be considered.

Other analytical values, such as peroxide value and UV absorption, are used to assess oxidation, freshness, and any deterioration in quality. Together, they provide a more complete picture than acidity alone.

Sensory quality: fruitiness without defects

Extra virgin olive oil should have positive fruitiness and be free from defects. Defects can include rancidity, moldy notes, fermented notes, or wine and vinegar characteristics.

This means that bitterness and pungency are not flaws in themselves. On the contrary, they can be positive attributes when they are clean and balanced. In oils with a high phenolic structure, bitterness and pungency are often more pronounced than in mild standard oils.

Read more about how sensory characteristics are related to quality: taste and quality in olive oil.

Extra virgin is not automatically premium

Extra virgin is the highest basic classification, but within the category there is a wide range. An anonymous bulk product and a traceable early-harvest oil can both be extra virgin, but the experience and documentation are not the same.

To assess true quality, one needs to consider more questions:

when the olives were harvested
how quickly they were pressed
which varieties and origin the oil has
how the oil has been stored and bottled
if analysis and batch information are available
how the flavor profile is structured

For Vala Selection, extra virgin olive oil is the baseline, not the ultimate goal. The important thing is the combination of Korčula origin, early harvest, traceable batch, HPLC analysis, and a flavor profile with green fruitiness, bitterness, and a peppery finish.

The difference from "olive oil" and refined oil

When a bottle is simply labeled "olive oil" in retail, it is often a blend of refined olive oil and a smaller proportion of virgin olive oil. Refining can make a defective oil more neutral, but it also removes much of the natural flavor profile.

Extra virgin olive oil is not refined. Therefore, it carries more of the raw material's origin, harvest time, and handling. This is also why the difference in quality can be clearly noticed in aroma, mouthfeel, and finish.

Extra virgin and polyphenols

The extra virgin classification itself does not imply that the oil has a high polyphenol content. Polyphenols are influenced by olive variety, ripeness, harvest, pressing, and storage.

A high-polyphenolic extra virgin olive oil therefore needs to both meet the basic requirements and demonstrate more: documented polyphenol content, preferably with a method such as HPLC analysis.

This is particularly important when the oil is communicated with reference to the EU's approved health claim regarding polyphenols and oxidative stress.

Extra virgin, cold-pressed, and cold extraction

"Cold-pressed" is often used as a quality term, but extra virgin and cold-pressed do not mean the same thing. Extra virgin is a quality grade. Cold-pressed or cold extraction describes temperature and method during extraction.

Many modern quality oils are made by centrifugation rather than traditional pressing, which makes "cold extraction" more accurate in many cases. The decisive factor is that the temperature is kept controlled and that the oil is not treated in a way that changes it.

More about the concept can be found here: cold-pressed olive oil.

How Vala Selection uses the classification

Vala Selection starts with extra virgin as a minimum requirement. From there, we add what actually helps the customer understand the oil: origin, batch, harvest, sensory profile, and analysis.

Reference batch 2025-VL-MIR-001 is an example of this level. It is extra virgin, but that is not the most interesting thing about it. What is more valuable is that it is traceable, analyzed, and chosen for a distinct style: fresh green fruitiness, structured bitterness, and a peppery finish.