Although Portugal is not a major producer, approximately 10% of its exported olive oil is adulterated. It is often blended with lower-quality oils or contains undeclared additives. Argentina is an emerging player in the market, but 17% of its olive oil is adulterated, often with inferior vegetable oils. Beware of prices that seem too good to be true and look for official certifications.
8. Morocco
Moroccan production has exploded in recent years, but 15% of cheap olive oil is adulterated, often blended with less expensive vegetable oils due to a lack of strict regulations.
7. Greece
Renowned for its ancient olive groves, Greece is not immune to fraud: 20% of its exported olive oil is adulterated. Blending with other oils or misleading labeling are common practices. Look for PDO (Protected Designation of Origin) labels.
