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(Spanish language version here - 07/023)
This report is only available as an electronic download
The Natural Chemistry of Australian Extra Virgin Olive Oil
By Dr Rodney J Mailer
Publication No. 06/132 Project No.DAN-239A
Published in February 2007
Most of the world’s major olive varieties are now grown within the range of temperate climates in Australia. The natural extra virgin olive oils produced from these trees have local characteristics reflecting this range of environments.
Olive oil chemistry is the subject of much research as scientists seek to define the nature of this healthy product. Technology continues to improve and now we are able to describe many of the chemical characteristics of fresh olive oil so that those interested in the subject can understand what is available and even select products to suit particular needs.
The collaboration between
the Rural Industries Research and Development Corporation and the NSW DPI
Wagga Wagga Research Institute to produce this publication has strong support
from the Australian olive industry and reflects the desire of Australian
growers to produce a unique range of authentic and fresh olive oils that
are well defined for consumers. Such natural diversity also offers excitingly
different flavours and aromas. This is very good news for consumers who
appreciate both taste and health attributes.
| Peter O’Brien
Managing Director The Rural Industries Research and Development Coropration |
Paul Miller
President, Australian Olive Association |
Background
Australian olive oils provide
an array of flavours and qualities. With diverse environments and seasonal
differences along with a selection of the best performing cultivars, Australia
offers a unique range of olive oils from one country. High quality Australian
extra virgin olive oil is being exported in increasing quantities throughout
the world.
A wider selection of olive
oils
Research has shown that
Australian olive oils exceed the range and level of quality generally expected
in olive oils from other countries. Australian olive oils are almost entirely
extra virgin olive oil with little refining being carried out. Some oils
actually surpass the quality limits set for extra virgin olive oil. For
example, the proportion of desirable oleic acid is sometimes even higher
than 84%.
The benefits of oleic acid (olea from olive) have been well documented.
An olive oil for all purposes
Whether oil is required
for cooking, to enhance a salad or for any other purpose, there will be
products within the range of Australian olive oils that will suit. Oils
with high oleic and palmitic acids have long shelf lives and high cooking
temperatures. Oils with high levels of mono and polyunsaturates have well
documented health benefits. All of these Australian olive oils are high
quality, unadulterated and mechanically extracted oils, free of any chemical
process.
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