Depending on its place of origin and the variety of olives used, olive oil has a wide range of flavors and fragrances and the consumer should choose and buy the type that best suits his/her particular taste and the food to prepare. Extra virgin olive oil is like fine wine. Its taste and aroma can be easily distinguished by the nose and the palate, then discussed and dissected. A series of requirements are declared on national and international regulations to identify Trade Standards for olive oils. The quality is measured in two steps: acidity evaluation and taste test.