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Issue 17

RACI* Natural Products Group

the following is a partial list, I have not included members where little or no information was given about their area of work. More info at the web sites listed...

* The Royal Australian Chemical Institute. Email: rnernber@raci.org.au

tions are put forward for consideration. The compositions of the oils of Prostanthera rotundifolia and of Prostanthera incisa in this study were slightly different from that found by others, hence giving rise to the suggestion that oil composition may be affected by environmental conditions, ie soil, climate, harvest period, period of sunlight, etc. The correlation between composition and other factors should be investigated since products with wider markets could be developed, for example specimens whose leaves retain the original fragrance but are devoid of bitterness, or whose oils show greater antimicrobial prowess. The as yet un-identified chemicals in Prostanthera rotundifolia oil, as well as the flavonoid compounds in all three species, should be identified and included in an expanded safety investigation. Bacteriostatic activity, which has been shown in this work to be present in Prostanthera incisa and Prostanthera rotundifolia merits deeper and more rigorous experimental work for commercial applications. The intense bitterness of the Prostanthera leaves weighs against their inclusion in foods which are not highly sweetened. Developmental work before marketing should include ways of masking or removing altogether this taste while leaving the fragrance and anti-microbial property.

The full report can be found at their website:

www.rirdc.gov.au/reports/  Index.htm

Dr Ian van Altena, Dept of Chemistry, Uni of Newcastle. chiav@cc.newcastle.edu.au. Natural Products (isolation and structure elucidation)Dr Russel Barrow. Microbial Natural Products Research Group, Department of Chemistry, Australian National University, Canberra. rab@anu.edu.au ph: Web: http://chemserver.anu.edu.au/ rab

Dr Joe Brophy. School of Chemistry, Uni of NSW, Sydney. J.Brophy@unsw.edu.au. Essential oils chemistry insect chemistry natural products chemistry Website: http:// www.chem.unsw.edu.au/

Mr Charles Cornwell. Faculty of Science and Technology, Uni of Western Sydney, Hawkesbury.

C.Cornwell @uws.edu.au. Extraction and characterisation of compounds from Australian native plants. Website: www.hawkesbury.uws.edu.au/ faculties/scitechag/project.htm Dr Mery Hegarty, AM

FRACI, Plantchem Pty Ltd, Indooroopilly, Qld.

Hegarty. PI antchem @ uq. net. au. Commercial uses and toxicology of Australian natural products bushfood safety

Dr Joanne Jamie, Dept of Chemistry, Div of Environmental and Life Sciences, Macquarie Uni, NSW. jjamie@alchemist.chei-n.mq.edu.au.

Website: http:// www.chem.mq.edu.au/academics/jjamie.htm

Dr. Paul Keller. School of Chemistry, University of Wollongong, Wollongong, NSW. keller@uow.edu.au Dr Ian McFarlane. School of Biochemistry, University of NSW, Sydney. i.mcfarlane@unsw.edu.au

Dr Barbara Meurer-Grimes. ExGenix Operations Pty Ltd, Richmond, VIC Structure elucidation Biological activity Biosynthesis Phytochemistry Ms Deidre Tronson. Faculty of Science and Technology, Uni of Western Sydney, Hawkesbury.

D.Tronson@uws.edu.au. Organic chemistry Natural products chemistry, particularly as related to Australian flora Website: http:// www.hawkesbury.uws.edu.au/ faculties/scitechag/project.htm A/Prof. S. Grant Wyllie. Faculty of Science and Technology, Uni. Western Sydney, Hawkesbury.

G.Wyllie@uws.edu.au. Chromatographic methods, particularly high resolution gas chromatography and gas chromatography-mass spectrometry Natural products chemistry and plant biochemistry Website: http://

www.hawkesbury.uws.edu.au/ faculties/scitechag/project.htm