Question 1

Is most olive oil fake?

Accepted Answer

Much so-called fake olive oil is real olive oil that has been mislabeled, refined, or allowed to go rancid rather than diluted with other oils. One 2010 UC Davis study found 69 percent of imported samples failed the extra virgin standard, often due to age and poor storage rather than outright fraud.

Question 2

How can you tell if olive oil is real extra virgin?

Accepted Answer

Genuine extra virgin olive oil should taste fruity and bitter and finish with a peppery sting at the back of the throat within a few seconds. Buy it in dark glass or tin, look for a harvest date rather than only a best-before date, and trust the flavor over the label.

Question 3

What does the peppery burn in olive oil mean?

Accepted Answer

The peppery cough at the back of the throat comes from oleocanthal, a natural compound in fresh extra virgin olive oil with anti-inflammatory properties similar to ibuprofen. An oil with no bitterness or sting may be old, refined, or low quality.

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The Oil That Lies