Extra Virgin Olive Oil vs. 100% Olive Oil
For olive oil to be called extra virgin, it is required by law that the acidity is less than one percent. Also, the oil is made from freshly picked green olives. Bruised olives are never used. Oil labeled 100% olive oil is sometime made of a blend of oils, and you cannot be sure of the level of quality. To be sure you're using the highest quality oil, it is recommended that you stick with extra virgin olive oil.