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International Academy of Wood Science 2018 Annual Meeting

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Chemical composition of the essential oil from Ageratina sp and its repellent effect on Drywood termite Incisitermes marginipennis

Essential oils obtained from new plant species with metabolomes unexplored or poorly known are a natural resource to find molecules with deterrent (irritant) effect. The aim of this study was to evaluate the chemical composition and the termite repellent activity of the essential oils from Ageratina sp. The repellent effect was determined by the pine drywood termite Incisitermes marginipennis behavior of to sense the contact of the tunnel wall in the wooden colony in the presence of an irritant obstacle caused by essential oils. Gas chromatographic analysis of the essential oils from flower, leaf, and stem showed quantitative and qualitative differences in components.

Twenty-eight volatile components were identified by their mass spectra (MS). β-caryophyllene, carvacrol, spathulenol, and terpinen-4-ol were the four major components, of them in relation 0.1 m citronellol, the 0.1 M carvacrol was the best repellent of the termite. Essential oils from Ageratina sp exhibited a termite repellent effect due to their major components. Additionally, more research about the termite repellent action of carvacrol is still needed.

César Bonifacio Ramírez López
Departamento de Madera, Celulosa y Papel (CUCEI) Universidad de Guadalajara
Mexico

Rosa Elva Del Río Torres
Instituto de Investigaciones Químico Biológicas, Universidad Michoacana de San Nicolás de Hidalgo
Mexico

José Antonio Silva Guzmán
Departamento de Madera, Celulosa y Papel (CUCEI) Universidad de Guadalajara
Mexico

Edgar García Sánchez
Centro Interdiciplinario de Investigación para el Desarrollo Integral Regional Unidad Oaxaca del Instituto Politécnico Nacional
Mexico

Mauro Manuel Martínez Pacheco
Instituto de Investigaciones Químico Biológicas de la Universidad Michoacana de San Nicolás de Hidalgo
Mexico

 


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