What are lampante oil and olive pomace oil?

In brief. Lampante oil is a defective virgin olive oil: free acidity > 2.0% (EU) and/or marked sensory defects. It is non-edible as is and must go through refining before it can be placed on the market. Olive pomace oil is an oil drawn from the solid residue of milling (the pomace) by solvent extraction (hexane), then refined. Neither is an "extra virgin" oil.

A B2B buyer quickly comes across the words "lampante" and "pomace" in catalogues and cheap quotations. These are two very real products of the olive oil market, but very far from an extra virgin olive oil. Here is exactly what they mean and how to place them.

What is lampante olive oil?

Lampante oil is a virgin olive oil that fails to comply with direct consumption. It is obtained by purely mechanical processes (like any virgin oil), but its acidity exceeds 2.0% in the EU and/or its sensory panel reveals defects (musty, rancid, winey, fusty). It cannot be sold as is.

Its name comes from the Latin lampada: historically, this insufficient-quality oil was used to fuel oil lamps. Today, it is the raw material for refining.

The causes of a lampante oil are always linked to the degradation of the fruit or of the process: olives harvested too late, bruised, stored in heaps, fermented, or poorly controlled extraction. High acidity is the chemical signal of this degradation (see also the quality process).

What becomes of lampante oil? Refining

Since it cannot be marketed as is, lampante oil is refined industrially: neutralization, bleaching, deodorization. This treatment removes excessive acidity and defects, but also a large part of the aromas and polyphenols.

The result is a neutral refined olive oil. Blended with a little virgin or extra virgin oil, it gives plain "olive oil" (a blend of refined and virgin) found in mass retail — not to be confused with extra virgin.

What is olive pomace oil?

The pomace is the solid residue left after milling: skins, pulp and stone fragments. It still contains a little oil, but too little and too tightly bound to be extracted mechanically in a profitable way.

The oil is therefore drawn out by solvent extraction (hexane), hot, in a specialized plant. This crude pomace oil is then refined, then generally blended with virgin oil to give marketable olive pomace oil.

It is a legal and standardized product, but it is the lowest category of the sector: it is not a virgin oil, and even less an extra virgin.

Lampante vs pomace vs extra virgin

Criterion	Extra virgin (EVOO)	Lampante	Olive pomace
Extraction	Mechanical (cold)	Mechanical	Solvent (hexane)
Raw material	Sound olives	Degraded olives	Solid residue (pomace)
Acidity	≤ 0.80%	> 2.0% (EU)	— (refined)
Edible as is	Yes	No → refining	No → refining
Sensory panel	Md = 0, Mf > 0	Marked defects	—
Positioning	Premium	Raw material	Entry level

How to detect these oils when buying

The risk, for an importer, is not knowingly buying pomace, but receiving a blended or upgraded lot. Two reflexes:

• Require the COA per lot from an IOC-accredited laboratory. An acidity > 2% or a defective panel disqualifies the oil as lampante.
• Watch for traces of pomace and refined oil. Waxes (C42+C44+C46) ≤ 150 mg/kg signal a trace of pomace; K270 and stigmastadienes ≤ 0.05 mg/kg betray a refined oil blended into a virgin one. Our quality classifier applies these thresholds automatically.

A Tunisian oil of the Chemlali or Chetoui variety, cold-extracted quickly after harvest, is the opposite of lampante: low acidity, present fruitiness, no defect.

FAQ — Lampante oil and pomace

Is lampante oil dangerous?

No, it is not toxic, but it is non-edible as is because it is defective (acidity > 2% and/or sensory defects). It must be refined before any consumption. Sold as is as a food oil, it would be non-compliant.

What is the difference between lampante and pomace?

Lampante is a virgin oil (mechanical extraction) but defective. Pomace is extracted from the solid residue of milling using a solvent. Both go through refining, but their origin and process differ.

Is olive pomace oil legal?

Yes. It is a category standardized by the IOC and the EU, authorized for sale after refining and explicit labelling as "olive pomace oil". It is simply the lowest category of the sector, not to be confused with a virgin oil.

How do you know if an oil contains pomace?

Through wax analysis: a C42+C44+C46 > 150 mg/kg level signals an abnormal presence of pomace in an oil declared as virgin. This measurement appears in a complete purity COA.

Can a lampante oil become extra virgin?

No. Refining removes acidity and defects, but yields a neutral refined oil, not an extra virgin. An extra virgin can only be obtained with sound olives from the start; you cannot "recover" a lampante into EVOO.

Why are some oils so cheap?

Often because they are refined oil, pomace oil, or blends cut with refined lampante. At equal category (real extra virgin with COA), price gaps narrow considerably. An abnormally low price should always prompt you to verify the actual category.

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Buying bulk olive oil? Request a quote: each lot is delivered with its complete COA (acidity, peroxide, K270, waxes, stigmastadienes) from an accredited laboratory, to rule out any risk of blended lampante or masked pomace. Check an analysis yourself with the quality classifier, and find all the vocabulary in the glossary.