Volatile Aroma Compounds and Their Characteristics of Labiatae by Solid-Phase Microextraction (SPME)

Solid-Phase Microextraction (SPME)에 의한 꿀풀과 약초의 향기성분과 그 특성

  • Song, Yong-Eun (Jinan Medicinal Herbs Experiment Station) ;
  • Ku, Chang-Sub (Dept. of Advanced Organic Materials Engineering, Chonbuk National University) ;
  • Mun, Sung-Phil (The Institute of Agricultural Science & Technology Division of Forest Science, College of Agriculture, Chonbuk National University) ;
  • Ryu, Ji-Sung (finan Medicinal Herbs Experiment Station) ;
  • Kim, Dae-Hyang (Jinan Medicinal Herbs Experiment Station) ;
  • Choi, Joung-Sik (Chonbuk Provincial ARES) ;
  • Choi, Yeong-Geun (Chonbuk Provincial ARES)
  • 송영은 (진안숙근약초시험장) ;
  • 구창섭 (전북대학교 유기신물질공학과) ;
  • 문성필 (전북대학교 농업과학 기술연구소 농과대학 산림과학부) ;
  • 류지성 (진안숙근약초시험장) ;
  • 김대향 (진안숙근약초시험장) ;
  • 최정식 (전북농업기술원) ;
  • 최영근 (전북농업기술원)
  • Published : 2002.06.30

Abstract

This study was carried out to find the possibility of use of Solid Phase Microextraction (SPME) for extracting the volatile aroma compounds in the five aromatic plants (Agastache rugosa O. Kuntze, Mentha arvensis Linne, Thymus quinquecostatus Celakovsky, Elsholtzia splendens Nakai, Schizonepta tenuifolia Briquet) belongs to the Labiatae. In the result of the analysis, the volatile aroma compounds were mainly composed monoterpene alcohol (linanol, menthol, ${\alpha}-terpineol$, borneol), monoterpene ketone (limonene, menthone) and sesquiterpene (trans-caryophyllene,${\delta}-cadinene)$. The volatile aroma compounds of Agastache rugosa O. Kuntze and Mentha arvensis Linne were extracted by SPME more identified than the SDE. However, Schizonepta tenuifolia Briquet more identified by the SDE and in Elsholtzia splendens Nakai similar to the SDE. Especially, the SPME showed the sesquiterpene contents was more than the SDE. The major volatile aroma compounds were difference but the composition of those between the SPME and the SDE showed no difference. Within the results, the SPME showed the most convenient and a rapid extraction method to analysis of the volatile aroma compounds.

본 연구는 향기성분을 많이 포함하고 있는 꿀풀과의 대표적인 5종류를 선정하여 이들을 대상으로 소량의 시료만으로도 신속하게 분석할 수 있는 고상 미량 추출법(Solid Phase Microextraction: SPME)과 동시증류추출법(Simultaneous Distillation and Extraction : SDE)으로 향기성분을 분석하였다. 분석결과 5종류의 꿀풀과 약초의 향기성분 구성은 linanol, limonene, citral, trans-geraniol 등의 monoterpene alcohol, monoterpene aldehyde 및 ketone 과 trans-caryophyllene, ${\delta}-cadinene$ 등의 sesquiterpene 성분들이 주로 검출되었다. 분석결과 기존의 향기성분 연구에 많이 사용되는 동시증류추출법(SDE)과 주성분에서 대부분 유사하였으나 형개의 향기성분처럼 SPME법에서 많은 성분이 검출되지 않는 경우도 있었고 배초향, 박하의 성분처럼 SDE법에서 검출되지 않은 일부 성분도 SPME법에서 검출되기도 하였다. 이러한 결과는 SPME법은 낮은 온도에서 흡착만으로 성분의 포집이 이루어지므로 추출, 농축 등의 조작에 의한 SDE법보다 이차적인 변질이 적었기 때문으로 생각되었다. 따라서 SPME법은 열변성이 적고 소량으로 다수의 시료를 분석할 수 있어 향신약초의 품종육종 등에 사용할 수 있는 간편하고 신속한 방법이 될 것으로 생각된다.

Keywords

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