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Title: Antifungal Essential Oil Metabolites

Source: From IRG CD titled 41st iRG Biarritz, May 9-13, 2010 in the 4st annual meeting of the International Research Group on Wood Protection; pp.

Author(s)Clausen, Carol A.; Woodward, Bessie M.; Yang, Vina W.

Publication Year: 2010  View PDF »

Category: Journal Articles
Associated Research Project(s):   FPL-4723-4

Abstract: New environmentally-friendly wood protection systems based on 'green' technologies are needed to inhibit wood-inhabiting mold and decay fungi. Utilizing bioactive essential oils from select herbaceous plants is one promising approach, but the concentrations of bioactive compounds are somewhat variable even in the highest (therapeutic) grade essential oils. Purified primary metabolites from four bioactive plant essential oils were evaluated for antifungal activity in southern pine treated with those compounds. Purified carvone, citronellol, geraniol, thymol and borneol inhibited growth of Aspergillus niger, Penicillium chrysogenum and Trichoderma viride for 12 weeks at concentrations equal to or less than those present in therapeutic grade essential oils. Thymol and borneol effectively inhibited two brown-rot fungi, Postia placenta and Gloeophyllum trabeum and one white-rot fungus, Trametes versicolor, but other metabolites tested were ineffective against the decay fungi. Select purified bioactive metabolites of essential oils effectively inhibit fungi that inhabit wood and wood products.

Keywords: Biodegradation, fungicides, essences, essential oils, plant extracts, antifungal agents, wood-decaying fungi, molds, fungi, fungi control, Trichoderma viride, mold fungi, decay fungi, Postia placenta, Penicillium chrysogenum, Aspergillus niger, Gloeophyllum trabeum, metabolites, thymol, cymene, thyme, rosemary, dill, geraniums, resistance to decay, southern pine, Trichoderma mold, biocides, carvone, citronellol, geraniol, borneol, limonene, cineol

Publication Review Process: Non-Refereed (Other)

File size: 267 kb(s)

Date posted: 07/15/2010
RITS Product ID: 35808
Current FPL Scientist associated with this product
Clausen, Carol A.
Supervisory Research Microbiologist
  

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