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Olive Oils Explained
Olives and their oil are some of the oldest foods around today. Cultivation of the olive has been traced back as far as 5000 BC. It really is quite surprising, considering it has been around for so long, that many people are still only just discovering it. Not only is it delicious but being loaded with essential fatty acids and high in antioxidants, it is also incredibly healthy. Below is an explanation of some of the common types of olive oil and terms used to describe them.
Extra Virgin Olive Oil: Is the oil obtained from the first pressing of the olives. It is usually greener than other olive oils, and has very low acidity (it may not exceed .8%). It is ideal for use in dressings, dips and marinades.
Virgin Olive Oil: Is also obtained from the first pressing of the olives, although is slightly higher in acidity (it may not exceed 2.0%). It is very good oil but just not good enough to be designated extra virgin.
Olive Oil: Often consists of a blend of refined oil and virgin oil. The virgin oil gives it the flavour that the heat treated and refined oil lacks. A good all around oil, better suited to cooking as it has a slightly higher burning point than the virgins.
Light Olive Oil: Is refined oil obtained from the latter pressings. Each subsequent press of the olives, results in lighter and less flavourful oil. The term 'light' refers only to the colour and flavour and not the caloric content. It is again suitable for frying or saut'ing.
Pomace Olive Oil: Is oil obtained from the left over flesh and pits after being pressed. To release the remaining oil out of this (pomace) it is often treated with solvents and heat. The resulting oils are then refined to be fit for human consumption; because of this refining it can lack flavour. It is suitable for frying as it has quite a high burning point, but personally I hesitate to use it.
Early Harvest: Simply refers to the fact that the fruit was picked slightly under ripe. The under ripeness of the olive results in a sought after oil that is slightly bitter, peppery and very green. The smaller olives yield less oil and as such Early Harvest oils often sell for more.
Late Harvest: Is oil obtained from fully mature olives and results in a smooth oil that may be described as sweetish and fruity.
Cold Pressed: Refers to the fact that the olives were pressed without the use of heat. Olives that are pressed when heated yield more oil but the heat can destroy some of the delicate flavours that are retained when cold pressed.
About the Author: Paul is a professional Chef and has worked & travelled all over the world. He now resides full time in Sydney Australia and works as a personal Chef and food writer. His cooking style focuses on using the freshest ingredients possible and helping them work their magic, his motto 'combinations not complications'.