“Unfortunately, this high demand can be tempting to unscrupulous producers, who try to maximize their profits by blending EVOO with cheaper alternatives. This adulteration with lower quality ingredients can be hard for both consumers and food inspectors to detect. While adulteration often simply results in a lower quality product, using potential allergens or non-food grade materials is a serious concern. “
Virginity Testing – the Olive Oil Method – Accelerating Science.