Abstract

본 연구에서는 각 추출방법에 따른 섬백리향(Thymus magnus Nakai)의 향기 성분들을 분석하여, 이를 토대로 본연의 향에 아주 가까우면서 맡기에 좋은 향으로 재현하고자 초임계유체추출법, 혼합 증류법, 동시증류추출법으로 정유를 추출한 후 gas chromatography-mass spectrometry (GC-MS)로 휘발성 향기성분을 분석하였다. 그 결과 먼저 초임계유체추출법의 <TEX>$40^{\circ}C$</TEX> - 400 bar 조건에서 추출한 정유 성분 중 linalool (0.1%), trans-sabinene hydrate (0.9%)가 다른 조건에서 추출한 정유성분과 비교하였을 때 상대적으로 더 많이 함유되어 있었으며, <TEX>$50^{\circ}C$</TEX> - 400 bar 조건에서는 borneol (3.82%), terpinen-4-ol (0.3%), caryophyllene oxide (2.2%), <TEX>$50^{\circ}C$</TEX>- 300 bar 조건에서는 <TEX>${\beta}$</TEX>-bisabolene (5.88%), 1-octen-3 -ol (0.31%), caryophyllene (2.91%), p-cymene (2.04%), <TEX>${\gamma}$</TEX>-terpinene (0.52%), <TEX>$50^{\circ}C$</TEX> - 200 bar 조건에서는 thymol (77.63%), carvacrol (5.65%)이 상대적으로 더 많이 함유되어 있는 것으로 나타났다. 혼합 증류법으로 추출한 정유 성분 중에는 <TEX>${\alpha}$</TEX>-bisabolol (0.17%), caryophyllene (6.46%), cis-<TEX>${\alpha}$</TEX>-bisabolene (1.52%), <TEX>${\beta}$</TEX>-bisabolene (20.65%)이 초임계유체추출법으로 추출한 정유 성분 보다 상대적으로 더 많이 함유되어 있는 것으로 나타났으며, 동시 증류추출법을 통해서는 정유를 얻지 못하였다. 이 같은 연구 결과는 각각의 추출법을 통해서 확인된 향기 성분들을 모두 취합하여 섬백리향 본연의 향에 좀 더 가깝도록 세밀하게 재현하는데 있어 유용한 자료로 활용될 수 있을 것으로 보인다. The purpose of this study was to analyse the volatile components of Thymus magnus Nakai extracted by different extraction methods and reproduce scent close to original plant based on the results. For this purpose, the essential oil of T. magnus was extracted by supercritical fluid extraction (SFE), water and steam distillation (WSD) and simultaneous steam distillation and extraction (SDE) methods. The compositions of the essential oil were analyzed by gas chromatography-mass spectrometry (GC-MS). Consequently, linalool (0.1%) and trans-sabinene hydrate (0.9%) contents in the essential oil extracted by SFE method of <TEX>$40^{\circ}C$</TEX> - 400 bar condition were relatively higher than compositions of the essential oil extracted by different conditions. The contents of borneol (3.82%), terpinen-4-ol (0.3%) and caryophyllene oxide (2.2%) were relatively higher at <TEX>$50^{\circ}C$</TEX> - 400 bar and the contents of <TEX>${\beta}$</TEX>-bisabolene (5.88%), 1-octen-3-ol (0.31%), caryophyllene (2.91%), p-cymene (2.04%) and <TEX>${\gamma}$</TEX>-terpinene (0.52%) were extracted relatively higher at <TEX>$50^{\circ}C$</TEX> - 300 bar. The compositions of the essential oil extracted by SFE method of <TEX>$50^{\circ}C$</TEX> - 200 bar condition contained relatively higher contents of thymol (77.63%) and carvacrol (5.65%). The contents of <TEX>${\alpha}$</TEX>-bisabolol (0.17%), caryophyllene (6.46%), cis-<TEX>${\alpha}$</TEX>-bisabolene (1.52%) and <TEX>${\beta}$</TEX>-bisabolene (20.65%) in the essential oil extracted by WSD method were relatively higher than compositions of the essential oil extracted by SFE method, and by SDE method we couldn't obtained essential oil. The results of this study could be utilized to reproduce scent close to original scent of T. magnus.

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