Journal articles

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Adulteration of Ginkgo biloba products and a simple method to improve its detection (with Kate Savage, Ashley Dowell, and Peter Mouatt), Phytomedicine (2014)

Extracts of ginkgo (Ginkgo biloba) leaf are widely available worldwide in herbal medicinal products,...

 

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Antibacterial anthranilic derivatives from Geijera parviflora (with Qing-Yao Shou, Linda K. Banbury, Alan T. Maccarone, Dane E. Renshaw, Htwe Mon, Stefani Griesser, Hans J. Griesser, Stephen J. Blanksby, and Joshua Smith), Fitoterapia (2014)

Five anthranilic acid derivatives, a mixture I of three new compounds 11′-hexadecenoylanthranilic acid (1), 9′-hexadecenoylanthranilic...

 

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From local to global - fifty years of research on Salvia divinorum (with Ivan Casselman, Catherine J. Nock, Robert P. Weatherby, and Michael Heinrich), Journal of Ethnopharmacology (2014)

Ethnopharmacological relevance: In 1962 ethnopharmacologists, Hofmann and Wasson, undertook an expedition to Oaxaca, Mexico. These...

 

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A gDNA microarray for genotyping salvia species (with Alexandra Olarte, Nitin Mantri, Gregory Nugent, Chun Guang Li, Charlie Xue, and Edwin Pang), Molecular Biotechnology (2013)

Salvia is an important genus from the Lamiaceae with approximately 1,000 species. This genus is...

 

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Chemical composition, antioxidant and antimicrobial activities of essential oil obtained from wild and cultivated Moroccan Thymus species (with Laila El Bouzidi, Chaima Alaoui Jamali, Khalid Bekkouche, Lahcen Hassanil, David N. Leach, and Abdelaziz Abbad), Industrial Crops and Products (2013)

Thymus broussonetii, Thymus maroccanus and Thymus satureioides, are endemic Moroccan species that are intensively utilized...

 

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Essential oil composition and antimicrobial activity of wild and cultivated mint timija (Mentha suaveolens subsp. timija (Briq.) Harley), an endemic and threatened medicinal species in Morocco (with A Kasrati, C Alaoui Jamali, K Bekkouche, H Lahcen, M Markouk, David N. Leach, and A Abbad), Natural Product Research (2013)

The hydro-distilled essential oils obtained from aerial parts of the wild (w) and cultivated (c)...

 

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First report of fingerprinting dried herbal products using a subtractive diversity array (with Linhai Niu, Nitin Mantri, Chunguang Li, Charlie C. Xue, and Edwin Pang), Journal of Complementary and Integrative Medicine (2013)

Introduction Sequence-independent microarrays have never been used to identify and authenticate dried herbal plants. Methods:...

 

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Parvifloranines A and B, Two 11-Carbon Alkaloids from Geijera parviflora (with Qingyao Shou, Linda K. Banbury, Joshua Smith, Xiaoxiang He, Ashley Dowell, Hans J. Griesser, and Michael Heinrich), Journal of Natural Products (2013)

Two novel alkaloids (parvifloranines A and B), possessing an unusual 11-carbon skeleton linked with amino...

 

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Phenological changes to the chemical composition and biological activity of the essential oil from Moroccan endemic thyme (Thymus maroccanus Ball) (with Chaima Alaoui Jamali, Ayoub Kasrati, Khalid Bekkouche, Lahcen Hassani, David N. Leach, and Abdelaziz Abbad), Industrial Crops and Products (2013)

The chemical composition, antioxidant and antimicrobial activities of essential oils isolated by hydrodistillation from the...

 

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Pilidiostigmin, a novel bioactive dimeric acylphloroglucinol derivative isolated from Pilidiostigma glabrum (with Qingyao Shou, Hans Sun, Linda K. Banbury, Eleanore H. Lambley, Dane Renshaw, Christian Griesinger, and Hans J. Griesser), Tetrahedron Letters (2013)

Pilidiostigmin, a novel dimeric acylphloroglucinol derivative, was isolated from the leaves of the Australian plant...

 

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Biologically active dibenzofurans from Pilidiostigma glabrum, an endemic Australian Myrtaceae (with Qing-Yao Shou, Linda K. Banbury, Dane Renshaw, Eleanore Lambley, Htwe Mon, Graham A. Macfarlane, Hans J. Griesser, and Michael Heinrich), Journal of Natural Products (2012)

In an effort to identify new anti-inflammatory and antibacterial agents with potential application in wound...

 

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Chemical composition and antioxidant and anticandidal activities of essential oils from different wild moroccan Thymus species (with Chaima Alaoui Jamali, Leila El Bouzidi, Khalid Bekkouche, Hassani Lahcen, Mohammed Markouk, David N. Leach, and Abdelaziz Abbad), Chemistry & Biodiversity (2012)

Samples of the aerial parts of Thymus broussonetii, T. ciliatus, T. leptobotrys, T. maroccanus, T....

 

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Chemical constituents from Fritillaria anhuiensis (with Qingyao Shou, X He, Lei Liu, and Zhengwu Shen), Biochemical Systematics and Ecology (2012)

Phytochemical investigation on Fritillaria anhuiensis led to the isolation of one new labdane diterpenoid (12)...

 

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Factors affecting pharmacists recommendation of complementary medicines: a qualitative study of Australian pharmacists (with Sarah E. Culverhouse), BMC Complementary and Alternative Medicine (2012)

Background

Complementary medicines (CMs) are widely used by the Australian public, and pharmacies are major...

 

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Intraspecific chemical variability of essential oil from leaves of Cupressus atlantica Gaussen, an endemic and endangered coniferous species in Morocco (with Abdelaziz Abbad, Youssef Sfairi, Hassani Lahcen, Khalid Bekkouche, Mohammed Markouk, and David N. Leach), Natural Product Research (2012)

The composition of essential oils isolated from leaves of 11 natural populations of Cupressus atlantica,...

 

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A combined Phase I and II open-label study on the immunomodulatory effects of seaweed extract nutrient complex (with Stephen P. Myers, Joan O'Connor, J Helen Fitton, Lyndon O. Brooks, Margaret Rolfe, Paul Connellan, Phillip A. Cheras, and Carol A. Morris), Biologics: Targets and Therapy (2011)

Isolated fucoidans from brown marine algae have been shown to have a range of immune-modulating...

 

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Detection of Panax quinquefolius in Panax ginseng using 'subtracted diversity array' (with Chun Guang Li, Nitin Mantri, Linhai Niu, Edwin C K Pang, and Charlie Xue), Journal of the Science of Food and Agriculture (2011)
 

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Detection of Panax quinquefolius in Panax ginseng using ‘subtracted diversity array’ (with Linhai Niu, Nitin Mantri, Chun Guang Li, Charlie Xue, and Edwin CK Pang), Journal of the Science of Food and Agriculture (2011)

BACKGROUND: Food adulteration remains a major global concern. DNA fingerprinting has several advantages over chemical...

 

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A combined phase I and II open label study on the effects of a seaweed extract nutrient complex on osteoarthritis (with Stephen P. Myers, Joan O'Connor, J Helen Fitton, Lyndon O. Brooks, Margaret Rolfe, Paul A. Connellan, Phillip A. Cheras, and Carol A. Morris), Biologics: Targets and Therapy (2010)

Background: Isolated fucoidans from brown marine algae have been shown to have a range of...

 

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Diarylheptanoid from Pleuranthodium racemigerum with in vitro prostaglandin E2 inhibitory and cytotoxic activity (with Myrna A. Deseo, Don J. Brushett, Dion R. Thompson, Graham MacFarlane, Lesley M. Stevenson, and David N. Leach), Journal of Natural Products (2010)

Bioactivity-guided fractionation of an ethanolic extract of the rhizome of Pleuranthodium racemigerum, a tropical Zingiberaceae...

 

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Effect of Astragalus membranaceus and Angelica sinensis combined with Enalapril in rats with obstructive uropathy (with Ken Wojcikowski, David W. Johnson, and Glenda Gobe), Phytotherapy Research (2010)

ACE inhibitors (ACEi) reduce renal tubulointerstitial fibrosis but are not completely effective. Combined extract of...

 

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Pharmacognosy and chemotypes of passionflower (Passiflora incarnata L.) (with Kerry G. Penman, Tanya Pearson, and Reginald P. Lehmann), Biological & Pharmaceutical Bulletin (2010)

Passionflower (Passiflora incarnata L.) is used in phytotherapy as a mild sedative and anxiolytic agent....

 

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An in vitro investigation of herbs traditionally used for kidney and urinary system disorders: potential therapeutic and toxic effects (with Ken Wojcikowski, David W. Johnson, Margaret Rolfe, and Glenda Gobe), Nephrology (2009)

Aim: Renal fibrosis is central to progression of most chronic renal pathologies. Antioxidants that protect...

 

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Dioscorea villosa (wild yam) induces chronic kidney injury via pro-fibrotic pathways (with Ken Wojcikowski, David W. Johnson, and Glenda Gobe), Food and Chemical Toxicology (2008)

Dioscorea villosa (wild yam) rhizome extract is a medicinal herb that is commonly used to...

 

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Phytochemistry and pharmacology of plants from the ginger family, Zingiberaceae, PhD thesis, Southern Cross University, Lismore, NSW (2008)

This thesis reports on a series of investigations into the phytochemistry and pharmacology of plants...

 

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Antioxidant capacity of 55 medicinal herbs traditionally used to treat the urinary system: a comparison using a sequential three solvent extraction process (with Ken Wojcikowski, Lesley M. Stevenson, David N. Leach, and Glenda Gobe), Journal of Alternative and Complementary Medicine (2007)

Background: The prevalence of chronic renal disease exceeds 10% in industrialized societies. Oxidative damage is...

 

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Linnaeus turns 300... Carl Linnaeus, Australian Journal of Medical Herbalism (2007)

The article highlights the celebration of the 300th birthday of Carl Linnaeus, or Carl von...

 

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Essential oil composition of diploid and tetraploid clones of ginger (Zingiber officinale Roscoe) grown in Australia (with Mike K. Smith, Lyndon O. Brooks, Stephen P. Myers, and David N. Leach), Journal of Agricultural and Food Chemistry (2006)

Ginger oil, obtained by steam distillation of the rhizome of Zingiber officinale Roscoe, is used...

 

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The effect of St John’s wort extracts on CYP3A: a systematic review of prospective clinical trials (with Jason A. Hawrelak, Dawn L. Whitten, and Stephen P. Myers), British Journal of Clinical Pharmacology (2006)

Aim The aim of this systematic review was to assess the quality and outcomes of...

 

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Gingerol content of diploid and tetraploid clones of ginger (Zingiber officinale Roscoe) (with David N. Leach, Mike K. Smith, and Stephen P. Myers), Journal of Agricultural and Food Chemistry (2005)

Ginger (Zingiber officinale Roscoe), a monocotyledonous, sterile cultigen, is widely used as a spice, flavoring...

 

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A review of the status of western herbal medicine in Australia (with Christopher Oliver and Pradeep J. Nathan), Journal of Herbal Pharmacotherapy (2002)

Western herbal medicine is the most widely used form of herbal medicine in Australia although...

 

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Essential oil composition of Zingiberaceae species from Mauritius (with A Gurib-Fakim, N Maudarbaccus, David N. Leach, and L Doimo), Journal of Essential Oil Research (2002)

The chemical composition of the essential oils obtained from the hydrodistillation of the rhizomes of...

 

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St John's Wort drug interactions, Journal of the Psychophysical Therapists Guild of Australia (2000)
 

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On standardised extracts, Australian Journal of Medical Herbalism (1999)

The author discusses the use of standardised extracts versus non- standardised extracts and addresses several...

 

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Echinacea-associated anaphylaxis (with Stephen P. Myers), Medical Journal of Australia (1998)
 

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Bush medicines of western Sydney, Australian Journal of Medical Herbalism (1997)

The knowledge of traditional Aboriginal use of medicinal plants in the Sydney area is almost...

 

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What are aflatoxins?, Australian Journal of Medical Herbalism (1996)

Aflatoxins are toxic secondary metabolites wh ich are rarely produced by species of mou Ids...

 

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Pharmacognosy – is it really relevant?, Australian Journal of Medical Herbalism (1989)
 

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The spring migration of raptors in Southern Israel and Sinai (with S J. Christensen, O Lou, and M Miller), Sandgrouse (1980)
 

Books

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Phytochemistry and pharmacology of plants from the ginger family, Zingiberaceae (PhD thesis) (2008)

This thesis reports on a series of investigations into the phytochemistry and pharmacology of plants...

 

Plants and plant form: an illustrated guide (with Lexanne Leach), Plants and plant form: an illustrated guide (2001)
 

Pharmacognosy and medicinal plant pharmacology: a student manual, Southern Cross Plant Science research papers (1997)
 

Book chapters

A review of reviews of the benefits of naturopathy and western herbal medicine (with Stephen P. Myers, Alan Bensoussan, Joan O'Connor, Peta-Anne Paul-Brent, Don G. Baker, and Phillip A. Cheras), The practice and regulatory requirements of naturopathy and western herbal medicine (2005)
 

Allergic reactions to herbal medicines (with Stephen P. Myers), The essential guide to herbal medicine safety (2005)
 

Herbal medicine, An introduction to complementary medicine (2003)
 

Conference publications

Factors affecting pharmacists' recommendations of CMs: a qualitative pilot study of Australian pharmacists (with Sarah E. Culverhouse), Complementary medicines: evidence of change: Complementary Healthcare Council National Conference (2012)
 

Safety evaluation of licorice consumption from dietary and phytotherapeutic sources (with P Medeiros, R Lee, Don J. Brushett, and Jacinta M. Arellano), 59th International Congress and Annual Meeting of the Society for Medicinal Plant and Natural Product Research (2011)

Licorice (Glycyrrhiza glabraL.) contains the triterpenoid glycoside glycyrrhizic acid (GA), which has an intensely sweet...

 

Genomics and metabolomics for new plant products (with Daniel LE Waters, Peter C. Bundock, Myrna A. Deseo, Lei Liu, Frances M. Shapter, and Agnelo Furtado), From passion to profit: New Rural Industries Australia Conference (2010)
 

Phytochemical and pharmacological aspects of Australian bloodroots (Haemodora spp.) (with Lei Liu, Myrna A. Deseo, D Thompson, and David N. Leach), Royal Australian Chemical Institute Natural Products Group Annual Symposium (2009)
 

Reports, presentations etc.

A simple HPLC method for detecting adulteration of ginkgo extracts with flavonol glycosides (with Kate Savage, Ashley Dowell, and Peter Mouatt), 13th International Congress of the Society for Ethnopharmacology (2012)
 

Review of local and traditional plant use by Australian migrant communities (with Anna Du Chesne, Sue Evans, Adele Wessell, and Michael Heinrich), 13th International Congress of the Society for Ethnopharmacology (2012)
 

Herbal medicines- an ethnobotanical survey, Complementary Medicine Symposium (2002)