Overview: Olive oil is the major edible vegetable oil of the Mediterranean countries and Portugal. It is also, perhaps, the oldest reported crop in history. The olive tree is ca- pable of existing in a harsh climate on poor soils, and trees 500 years old still bear fruit. The oil itself is much prized for its flavor and aroma. The highest-quality oils are obtained, without solvent extraction, from fresh and healthy fruits. Although the subtle sensory characteristics of olive oil account for its popularity, despite a high market price, increasing interest has been given to its nutritional prope
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