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Title: Phytochemical variability of 'Pittosporum angustifolium' Lodd. (Pittosporaceae): a traditional and contemporary Aboriginal Australian medicine
Contributor(s): Sadgrove, Nicholas (author); Jones, Graham L  (author)orcid 
Publication Date: 2016
DOI: 10.17660/actahortic.2016.1125.39
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Abstract: The traditional Aboriginal medicinal plant 'Pittosporum angustifolium' has recently achieved certain notoriety in the wider 'underground' complementary therapy market. The distribution and quality of this plant material is currently unregulated and few studies have examined phytochemical variability of this species. If repeatable empirical outcomes, as opposed to anecdotal reports, can be expected such studies may be a necessary undertaking. In the current study a preliminary phytochemical analysis was undertaken to find evidence of relative geographical variability. Firstly, lipid was extracted from both leaves and twigs, then the free fatty acid fraction was esterified and examined using GC-MS. Secondly, methanol extracts of leaves and twigs, using specimens of various provenances in New South Wales and Queensland, were subject to HPLC-DAD analysis to examine the variability in the elution profile of UV absorbing components. GC-MS results demonstrated a difference in the free fatty acid profile between leaves and twigs whereas HPLC demonstrated some evidence of geographical variability of the more polar components.
Publication Type: Journal Article
Source of Publication: Acta Horticulturae, v.1125, p. 303-308
Publisher: International Society for Horticultural Science
Place of Publication: Belgium
ISSN: 0567-7572
Field of Research (FOR): 119999 Medical and Health Sciences not elsewhere classified
060799 Plant Biology not elsewhere classified
111599 Pharmacology and Pharmaceutical Sciences not elsewhere classified
Socio-Economic Outcome Codes: 829999 Plant Production and Plant Primary Products not elsewhere classified
920399 Indigenous Health not elsewhere classified
929999 Health not elsewhere classified
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
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