THE COMPOSITION COMPRISING EXTRACTION OF ASARUM SIEBOLDII OR FRACTION THEREOF HAVING INSECT RESISTANCE OR INSECTICIDAL ACTIVITIES FOR PROTECTION OF CULTURAL HERITAGE

摘要

PURPOSE: An Asarum sieboldii extract or an organic solvent fraction thereof is provided to ensure an excellent vermin proof effect against Reticulitermes speratus without damage to timber architectures and cultural properties, and to eliminate Reticulitermes speratus by safe and eco-friendly methods. CONSTITUTION: An insecticidal composition for eliminating Reticulitermes speratus contains an Asarum sieboldii extract as an active ingredient. Reticulitermes speratus includes Reticultitermes speratus or R. speratus kyushuensis Morimoto. The Asarum sieboldii extract is prepared using methanol, ethanol, water, or a mixture thereof. The composition also contains an organic solvent fraction of the Asarum sieboldii extract. A method for conservation of culture properties comprises a step of treating cultural properties by direct spraying, application, fumigation, aromatic treatment, or pavement.