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IUFRO Division 5 Conference

Chun-Ya LIN. IUFRO Division 5 Conference. 5.03.00 – Wood Protection. Chun-Ya LIN, Chi-Lin WU and Shang-Tzen CHANG. Evaluating the Potency of Cinnamaldehyde as a Natural Wood Preservative. National Taiwan University School of Forestry and Resource Conservation

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IUFRO Division 5 Conference

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  1. Chun-Ya LIN IUFRO Division 5 Conference 5.03.00 – Wood Protection

  2. Chun-Ya LIN, Chi-Lin WU and Shang-Tzen CHANG Evaluating the Potency of Cinnamaldehyde as a Natural Wood Preservative National Taiwan University School of Forestry and Resource Conservation No. 1, Section 4, Roosevelt Rd. Taipei City Taiwan

  3. Objective Antifungi Antitermite Cinnamomum osmophloeum GC/MS ? New Environmental Benign Wood Preservative trans-Cinnamaldehyde (82%) (Chang and Cheng 2002; Cheng et al., 2006;Wang et al., 2005)

  4. Results 5% Cinnamaldehyde-treated wood (CTW) 5% CTW placed at ambient conditions for 12 months Non-treated wood Brown-rot fungus Laetiporus sulphureus Fungi decay resistance WL: 1.2% WL: 31.6% WL: 0.8% White-rot fungus Lenzites betulina Long-term effectiveness WL: 4.6% WL: 18.7% WL: 1.2% TermiteCoptotermes formosanus Shiraki Termite attack resistance WL: 1.4% Mortality: 83.3% WL: 7.3% Mortality: 10% WL: 0.3% Mortality: 100%

  5. Conclusions • Cinnamaldehyde exhibited excellent resistance against wood-rot fungi and termites • Antifungal and antitermitic performance of cinnamaldehyde definitely last 12 months at least Cinnamaldehyde has great potential to be applied as a Natural Wood Preservative

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