AYTON, Jamie

Jamie Ayton

Research interests

  • Olive oil quality, processing, storage and adulteration
  • Chemical analysis and evaluation of edible oils for quality and nutrition
  • Harvest timing, cultivars and processing for improved olive oil production
  • Canola breeding and quality
  • Quality improvement in oilseeds crops


Jamie Ayton heads Industry & Investment NSW’s edible oil research program.

He joined NSW Agriculture* in 1995 and has been involved in a number of olive oil research projects investigating the effects of cultivar, harvest timing, irrigation and processing on the quality of olive oil produced in Australia. He, along with the laboratories technical staff, has maintained accreditation from the International Olive Council (IOC) for the detection of adulteration in olive oil since 2001. He is also a founding member of the Wagga Wagga Olive Oil Sensory Panel, which has been accredited by the IOC since 2003.

He also has an interest in the canola breeding and pre-breeding programs aimed at improving the quality and of Australian canola oil and meal.

*NSW Department of Primary Industries was formed in 2004 through an amalgamation of NSW Agriculture, Forestry Corporation, Minerals and NSW Fisheries.


  • Bachelor of Applied Science (Medical Laboratory Science); Charles Sturt University, 1996.
  • Master of Science; University of Western Sydney, 2006

Current projects

  • The effect of storage (temperature, light, oxygen) on the quality of Australian olive oil
  • The effect of olive oil storage in collapsible bags
  • The effect of harvest timing and  irrigation on olive oil quality
  • Compliance of Australian olive oils to international standards
  • Improved quality characteristics in canola (National Brassica Project)

Recent publications

Mailer RJ, Ayton J and Graham K (2010) The influence of growing region, cultivar and harvest timing on the diversity of Australian olive oil. Journal of the American Oil Chemists Society 87: 877-884.

Mailer RJ, McFadden A, Ayton J and Redden B (2008) Antinutritional components, fibre, sinapine and glucosinolate content, in Australian canola (Brassica napus L.) meal. Journal of the American Oil Chemists Society 85: 937-944.

Mailer RJ, Ayton J and Conlan D (2007) Influence of harvest timing on olive (Olea europaea) oil accumulation and fruit characteristics under Australian conditions. Journal of Food, Agriculture and Environment 5 (3-4): 58-63.

Ayton J, Mailer RJ, Haigh A, Tronson D and  Conlan D (2007) Quality and oxidative stability of Australian olive oil according to harvest date and irrigation. Journal of Food Lipids 14: 138-156.

Mailer RJ and Ayton J (2004) Comparison of olive oil (Olea europaea) quality extracted by stonemill and hammermill. New Zealand Journal of Crop and Horticultural Science 32: 325-330.

Mailer RJ, Ayton J and Conlan D (2002) Comparison and evaluation of the quality of thirty-eight commercial Australian and New Zealand olive oils. Advances in Horticultural Sciences 16(3-4): 259-266.

Ayton J, Mailer RJ, Robards K, Orchard B and Vonarx M (2001) Oil concentration and composition of olives during fruit maturation in south-western New South Wales, Australian. Journal of Experimental Agriculture 41, 815-821.

Professional associations and activities

  • American Oil Chemists Society – Member
  • German Fat Society – Member
  • Australian Oilseed Federation Technical Committee

Fields of research

  • 070602 Horticulture Crop Improvement
  • 030502 Natural Products Chemistry
  • 070305 Crop and Pasture Improvement
  • 030108 Separation Science

Australian and New Zealand Standard Research Classification (ANZSRC)

Keyword/phrase list of research interests

  • Edible oil
  • Olive
  • Canola

Contact details

Email: jamie.ayton@dpi.nsw.gov.au