초록

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Contents of essential oil and its composition in aerial part of Agastache rugosa were investigated. Essential oil was obtained from the dried stems, leaves and flowers by steam distillation and fractionated into hydrocarbon and oxygenated hydrocarbon by silica gel column chromatography. Each isolate...

Contents of essential oil and its composition in aerial part of Agastache rugosa were investigated. Essential oil was obtained from the dried stems, leaves and flowers by steam distillation and fractionated into hydrocarbon and oxygenated hydrocarbon by silica gel column chromatography. Each isolate or fraction was identified by GC and GC-MS. The contents of essential oil were 0.29% in leaves of Agastache rugosa on dry basis, 0.38% in flowers. Major components were ${\beta}-caryophyllene(59.3%)$, limonene(13.1%), ${\delta}-cadinene(10.7%)$ among 13 kinds of components confirmed in hydrocarbon fraction of essential oil isolated from leaves. Also, major components in oxygenated hydrocarbon fraction were methyl chavicol (79.1%) and cis-3(1-propenyl) phenol(4.5%) among 44 kinds components confirmed. The highest content among the components identified was methyl chavicol in both leaves and flowers. On the other hand, limonene, trans-2-hexenal, 1-octen-3-one, 6, 10, 14- trimethyl pentadecane- 2-one and phytol were detected typically in leaves, but jasmone and ${\rho}-methoxyacetophenone$ were detected mainly in flowers with small quantity.