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<meta content="Mihara, R." name="eprints.creators_name" />
<meta content="Barry, K.M." name="eprints.creators_name" />
<meta content="Mohammed, C.L." name="eprints.creators_name" />
<meta content="Mitsunaga, T." name="eprints.creators_name" />
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<meta content="Comparison of antifungal and antioxidant activities of Acacia mangium and A. auriculiformis heartwood extracts" name="eprints.title" />
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<meta content="Acacia mangium - A. auriculiformis - heartrot - heartwood extracts - flavanone - Phellinus noxius - P. badius - antifungal activity - antioxidant - laccase inhibition" name="eprints.keywords" />
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<meta content="The effect of heartwood extracts from Acacia mangium (heartrot-susceptible) and A. auriculiformis (heartrot-resistant) was examined on the growth of wood rotting fungi with in vitro assays. A. auriculiformis heartwood extracts had higher antifungal activity than A. mangium. The compounds 3,4,7,8-tetrahydroxyflavanone and teracacidin (the most abundant flavonoids in both species) showed antifungal activity. A. auriculiformis contained higher levels of these flavonoids (3.5- and 43-fold higher, respectively) than A. mangium. This suggests that higher levels of these compounds may contribute to heartrot resistance. Furthermore, both flavonoids had strong 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging activity and laccase inhibition. This suggests that the antifungal mechanism of these compounds may involve inhibition of fungal growth by quenching of free radicals produced by the extracellular fungal enzyme laccase" name="eprints.abstract" />
<meta content="2005-04" name="eprints.date" />
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<meta content="Journal of Chemical Ecology" name="eprints.publication" />
<meta content="31" name="eprints.volume" />
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<meta content="789-804" name="eprints.pagerange" />
<meta content="10.1007/s10886-005-3544-x" name="eprints.id_number" />
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Barry, K. M., Mihara, R., Davies, N. W., Mitsunaga, T., and Mohammed, C. L. in press. Polyphenols in Acacia mangium and A. auriculiformis wood with reference to heartrot susceptibility. J. Wood Sci.
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<meta content="The effect of heartwood extracts from Acacia mangium (heartrot-susceptible) and A. auriculiformis (heartrot-resistant) was examined on the growth of wood rotting fungi with in vitro assays. A. auriculiformis heartwood extracts had higher antifungal activity than A. mangium. The compounds 3,4,7,8-tetrahydroxyflavanone and teracacidin (the most abundant flavonoids in both species) showed antifungal activity. A. auriculiformis contained higher levels of these flavonoids (3.5- and 43-fold higher, respectively) than A. mangium. This suggests that higher levels of these compounds may contribute to heartrot resistance. Furthermore, both flavonoids had strong 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging activity and laccase inhibition. This suggests that the antifungal mechanism of these compounds may involve inhibition of fungal growth by quenching of free radicals produced by the extracellular fungal enzyme laccase" name="DC.description" />
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<h1 class="ep_tm_pagetitle">Comparison of antifungal and antioxidant activities of Acacia mangium and A. auriculiformis heartwood extracts</h1>
<p style="margin-bottom: 1em" class="not_ep_block"><span class="person_name">Mihara, R.</span> and <span class="person_name">Barry, K.M.</span> and <span class="person_name">Mohammed, C.L.</span> and <span class="person_name">Mitsunaga, T.</span> (2005) <xhtml:em>Comparison of antifungal and antioxidant activities of Acacia mangium and A. auriculiformis heartwood extracts.</xhtml:em> Journal of Chemical Ecology, 31 (4). pp. 789-804.</p><p style="margin-bottom: 1em" class="not_ep_block"></p><table style="margin-bottom: 1em" class="not_ep_block"><tr><td valign="top" style="text-align:center"><a href="http://eprints.utas.edu.au/2091/1/Mihara_et_al_JOCE_2005.pdf"><img alt="[img]" src="http://eprints.utas.edu.au/style/images/fileicons/application_pdf.png" class="ep_doc_icon" border="0" /></a></td><td valign="top"><a href="http://eprints.utas.edu.au/2091/1/Mihara_et_al_JOCE_2005.pdf"><span class="ep_document_citation">PDF</span></a> - Full text restricted - Requires a PDF viewer<br />511Kb</td><td><form method="get" accept-charset="utf-8" action="http://eprints.utas.edu.au/cgi/request_doc"><input accept-charset="utf-8" value="2631" name="docid" type="hidden" /><div class=""><input value="Request a copy" name="_action_null" class="ep_form_action_button" onclick="return EPJS_button_pushed( '_action_null' )" type="submit" /> </div></form></td></tr></table><p style="margin-bottom: 1em" class="not_ep_block">Official URL: <a href="http://dx.doi.org/10.1007/s10886-005-3544-x">http://dx.doi.org/10.1007/s10886-005-3544-x</a></p><div class="not_ep_block"><h2>Abstract</h2><p style="padding-bottom: 16px; text-align: left; margin: 1em auto 0em auto">The effect of heartwood extracts from Acacia mangium (heartrot-susceptible) and A. auriculiformis (heartrot-resistant) was examined on the growth of wood rotting fungi with in vitro assays. A. auriculiformis heartwood extracts had higher antifungal activity than A. mangium. The compounds 3,4,7,8-tetrahydroxyflavanone and teracacidin (the most abundant flavonoids in both species) showed antifungal activity. A. auriculiformis contained higher levels of these flavonoids (3.5- and 43-fold higher, respectively) than A. mangium. This suggests that higher levels of these compounds may contribute to heartrot resistance. Furthermore, both flavonoids had strong 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging activity and laccase inhibition. This suggests that the antifungal mechanism of these compounds may involve inhibition of fungal growth by quenching of free radicals produced by the extracellular fungal enzyme laccase</p></div><table style="margin-bottom: 1em" cellpadding="3" class="not_ep_block" border="0"><tr><th valign="top" class="ep_row">Item Type:</th><td valign="top" class="ep_row">Article</td></tr><tr><th valign="top" class="ep_row">Additional Information:</th><td valign="top" class="ep_row">The original publication is available at www.springerlink.com</td></tr><tr><th valign="top" class="ep_row">Keywords:</th><td valign="top" class="ep_row">Acacia mangium - A. auriculiformis - heartrot - heartwood extracts - flavanone - Phellinus noxius - P. badius - antifungal activity - antioxidant - laccase inhibition</td></tr><tr><th valign="top" class="ep_row">Subjects:</th><td valign="top" class="ep_row"><a href="http://eprints.utas.edu.au/view/subjects/270305.html">270000 Biological Sciences > 270300 Microbiology > 270305 Mycology</a><br /><a href="http://eprints.utas.edu.au/view/subjects/300603.html">300000 Agricultural, Veterinary and Environmental Sciences > 300600 Forestry Sciences > 300603 Pests, Health and Diseases</a><br /><a href="http://eprints.utas.edu.au/view/subjects/250302.html">250000 Chemical Sciences > 250300 Organic Chemistry > 250302 Biological and Medical Chemistry</a></td></tr><tr><th valign="top" class="ep_row">ID Code:</th><td valign="top" class="ep_row">2091</td></tr><tr><th valign="top" class="ep_row">Deposited By:</th><td valign="top" class="ep_row"><span class="ep_name_citation"><span class="person_name">Dr Karen Barry</span></span></td></tr><tr><th valign="top" class="ep_row">Deposited On:</th><td valign="top" class="ep_row">11 Oct 2007 16:00</td></tr><tr><th valign="top" class="ep_row">Last Modified:</th><td valign="top" class="ep_row">09 Jan 2008 02:30</td></tr><tr><th valign="top" class="ep_row">ePrint Statistics:</th><td valign="top" class="ep_row"><a target="ePrintStats" href="/es/index.php?action=show_detail_eprint;id=2091;">View statistics for this ePrint</a></td></tr></table><p align="right">Repository Staff Only: <a href="http://eprints.utas.edu.au/cgi/users/home?screen=EPrint::View&eprintid=2091">item control page</a></p>
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