| 摘要 |
<p>PURPOSE:To provide a perfume composition excellent in sedative effect, fragrance and persistence thereof. CONSTITUTION:Dry aloeswood is ground, and an extraction promoter comprising any one of ethyl alcohol, n-butanol and diethyl ether or a mixture thereof is, added to the ground wood to wet it. The wet ground wood put in a high- pressure vessel, into which an appropriate amount of carbon dioxide in a supercritical gas state above the critical point thereof is forced while heating the vessel, is kept for an appropriate time to extract an organic component in a state of a gas mixture with a supercritical carbon dioxide, thus giving a perfume composition containing an aloeswood essential oil as the effective constituent.</p> |
