True extra-virgin olive oil can vary considerably in taste, depending on the olives and process used, and whether the olives used are green or ripe, but generally speaking, it will have a fresh, fragrant, somewhat fruity, sometimes grassy or herbal smell and flavor. It should not taste like the canned olive you put in a martini.
If the olive oil is found to be fruity, has no defects and has a free acidity that is less than or equal to 0.8 , it is graded as extra-virgin. If the olive oil has minimal defects and is found to have a free acidy between 0.8 and 2.0, it is graded as virgin. Both extra virgin and virgin olive oils have naturally occurring antioxidants and
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