According to a recent finding, 7 of the biggest olive oil brands in the U.S. cut their olive oil with canola or sunflower oil and are of poor quality. The investigation that led to this discovery found that 70% of olive oil sold in the U.S. is cut with cheaper and inferior oils. As a consequence, the investigation led by the Italian police closed 85 olive oil producers that mixed olive oil with chlorophyll, sunflower, and canola oil.

Few years back, Australian customers were concerned about the quality of certain olive oil brands and this concern resulted in tests conducted by the government. Unfortunately, none of the olive oil brands got the 2012 certificate of approval. Furthermore, the University of California did a research in which 70% of 124 imported brands of olive oil didn’t pass the authenticity test.

Below, there is a list of the brands that didn’t pass the authenticity test:

  • Carapelli
  • Mezzetta
  • Pompeian
  • Mazola
  • Primadonna
  • Colavita
  • Sasso
  • Antica Badia
  • Star
  • Whole Foods
  • Felippo Berio
  • Safeway
  • Coricelli
  • Bertolli

These are the brands that passed the test:

  • Lucero
  • McEvoy Ranch Organic
  • Corto Olive
  • Omaggio
  • Bariani Olive Oil
  • California Olive Ranch
  • Lucini
  • Ottavio
  • Cobram Estate
  • Olea Estates
  • Kirkland Organic

How to test the authenticity of the olive oil at home

Put the bottle in the fridge or outside if it’s cold for half an hour. If it turns solid, the oil is pure, however, if it doesn’t, it means that it contains additives in the form of monounsaturated fat that maintain it liquid.

Additional tip

You should always check the bottle for labels of approval like ‘Australian Extra Virgin Certified’.


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