What Does “Cold-Pressed” Olive Oil Actually Mean?

The phrase cold-pressed appears on countless olive oil bottles, usually as a shorthand for quality or natural production. But it’s rarely explained clearly, and often misunderstood. In reality, cold-pressed isn’t about nostalgia or tradition - it’s about temperature, timing, and care.

Understanding what the term really means helps separate oils that prioritise freshness from those that simply use the language of quality.

What “Cold-Pressed” Originally Meant

Traditionally, cold-pressed olive oil referred to oil extracted by physically pressing olives without applying additional heat. This mattered because excessive heat damages the delicate compounds that give olive oil its aroma, flavour and nutritional value.

Lower temperatures helped preserve:

• fresh, green aromas

• natural antioxidants

• the olive’s original character

At the time, pressing was the method - and “cold” was the safeguard.

How Olive Oil Is Extracted Today

Modern olive oil production looks very different. Instead of presses, producers now use centrifuges that spin olive paste at high speed to separate oil from water and solids. The process is faster, cleaner and more precise.

Because pressing is no longer part of most production, the phrase cold-pressed has shifted in meaning. Today, it refers to cold extraction — oil produced at controlled temperatures, typically below 27°C.

This temperature limit is critical. It helps ensure the oil retains its flavour, freshness and antioxidant content, and allows it to qualify as extra-virgin.

Why Temperature Matters More Than Technique

The real issue isn’t whether olives are pressed or spun — it’s how much heat they’re exposed to during extraction.

Heat accelerates oxidation and breaks down polyphenols, the natural compounds that support both flavour and stability. Once lost, they can’t be recovered.

Careful producers focus on keeping temperatures low because it protects:

• aroma and clarity of flavour

• nutritional compounds

• overall freshness and shelf life

This is why cold extraction matters far more than the romantic idea of pressing.

When “Cold-Pressed” Actually Makes a Difference

Cold extraction matters most when olive oil is used as it should be - raw or as a finishing ingredient for:

• salads

• vegetables

• bread

• yoghurt, eggs or grains

a well-extracted oil brings freshness and presence to the dish.

If olive oil is used solely for high-heat cooking, the benefits of cold extraction are less noticeable. But for oils meant to be tasted, not hidden, extraction temperature plays a defining role.

How to Spot a Properly Cold-Extracted Olive Oil

Because the term cold-pressed isn’t always tightly regulated, it’s best read alongside other indicators of care:

• Extra virgin classification, supported by sensory and chemical testing

• Clear origin information, not vague regional blends

• Harvest date, which tells you far more than a best-before label

• Protective packaging, such as dark glass

At NizOlive, our oils come from clearly defined harvests and are cold-extracted with temperature kept below 22°C, then bottled in dark glass to protect freshness from light.

Common Misunderstandings

• "Cold-pressed means no heat at all" - Some heat is unavoidable. What matters is keeping it low and controlled.

• "All cold-pressed oils are extra-virgin" - Cold extraction alone isn’t enough — oils must still meet strict quality standards.

• "Cold-pressed is just marketing" - The term can be misused, but temperature control genuinely affects flavour and longevity when applied properly.

  
  

A Final Word on Cold-Pressed Olive Oil

Cold-pressed isn’t a guarantee of quality on its own, but it isn’t meaningless either. When used honestly, it signals restraint during extraction - a moment where flavour and freshness are most easily lost.

Understanding how olive oil is made makes it easier to look past buzzwords and focus on what matters: timing, handling, and care. And once you become familiar with olive oil that’s been properly extracted and protected, the difference is easy to recognise.

You can shop our full collection of cold-pressed oils here.