Olive oil is a liquid fat extracted from olives, a traditional tree crop of the Mediterranean Basin. The oil is produced by squeezing whole olives. Extra virgin olive oil is made by crushing olives and extracting the juice. It is the only cooking oil that is made without the use of chemicals and industrial refining. It is the juice of fresh, healthy olives which contains, more than any other grade, the health-promoting nutrients that olive oil is famous for. 更多
