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Australian Journal of Chemistry Australian Journal of Chemistry Society
An international journal for chemical science
RESEARCH ARTICLE (Open Access)

Floral constituents of the Australian tar tree, Semecarpus australiensis

Soo Jean Park https://orcid.org/0000-0002-5414-6772 A B * , Jodie Cheesman C , Donald N. S. Cameron A B , Stefano G. De Faveri C and Phillip W. Taylor A B
+ Author Affiliations
- Author Affiliations

A Applied BioSciences, Macquarie University, Sydney, 2109, Australia.

B Australian Research Council Centre for Fruit Fly Biosecurity Innovation, Macquarie University, North Ryde, NSW 2109, Australia.

C Horticulture and Forestry Science, Queensland Department of Agriculture and Fisheries, Mareeba, Qld, Australia.

* Correspondence to: soojean.park@mq.edu.au

Handling Editor: Charlotte Williams

Australian Journal of Chemistry 75(12) 945-952 https://doi.org/10.1071/CH22097
Submitted: 27 April 2022  Accepted: 22 September 2022   Published: 23 November 2022

© 2022 The Author(s) (or their employer(s)). Published by CSIRO Publishing. This is an open access article distributed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND)

Abstract

Floral constituents of the Australian tar tree, Semecarpus australiensis, distributed in Melanesia and Northern Australia, were extracted with solvent, and analyzed by gas chromatography-mass spectrometry. The main constituents were 16- and 18-carbon fatty acids and their ethyl esters. Amongst the 67 identified compounds, zingerone was detected in minute quantity, providing the chemical basis for previous observations of fruit fly attraction to the flowers. The present study is the first to report the chemical profile of tar tree flowers.

Keywords: fatty acids, floral volatiles, fruit fly, GC-MS, isoeugenol, native cashew, salicylates, Tephritidae.


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