Food Science and Preservation (한국식품저장유통학회지)

The Korean Society of Food Preservation (한국식품저장유통학회)
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Analyses of Essential Oil and Headspace Compositions of Capsella bursa-pastoris Medicus by SDE and SPME Methods

SDE 및 SPME에 의한 냉이(Capsella bursa-pastoris Medicus)정유 및 Headspace 성분 분석

  • Choi Hyang-Sook (Plant Resources Research Institute, Duksung Women's University) ;
  • Kang Eun-Jin (Plant Resources Research Institute, Duksung Women's University) ;
  • Kim Kun-Hee (Plant Resources Research Institute, Duksung Women's University)
  • 최향숙 (덕성여자대학교 식물자원연구소) ;
  • 강은진 (덕성여자대학교 식물자원연구소) ;
  • 김건희 (덕성여자대학교 식물자원연구소)
  • Published : 2006.02.01
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Abstract

This study was conducted to determine the volatile flavor compositions of the essential oil and the headspace of Capsella bursa-pastoris Medicus. Essential oil and headspace from the plant were extracted by simultaneous steam distillation extraction (SDE), and solid-phase microextraction(SPME) methods, respectively. Seventy-two compounds including 28 hydrocarbons, 4 aldehydes, 6 ketones, 16 alcohols, 4 esters, 8 acids, and 6 miscellaneous ones were identified in the leaf essential oil extracted by SDE method Sixty-eight compounds including 26 hydrocarbons, 2 aldehydes, 6 ketones, 17 alcohols, 4 esters, 6 acids, and 7 miscellaneous ones were identified in the root essential oil. According to the instrumental analyses the essential oil, phytol ($21.12\%$ in leaves, $20.94\%$ in roots) was the most abundant compound Alcohols, esters, and acids were main groups of the essential oil. On the other hand, thirty-eight compounds including 18 hydrocarbons, 3 aldehydes, 3 ketones, 9 alcohols, 2 esters, 3 miscellaneous ones were identified in the leaf headspace by SPME. In root headspace, thirty-three compounds including 16 hydrocarbons, 2 aldehydes, 1 ketone, 9 alcohols, 3 esten;, and 2 miscellaneous ones were identified. Hydrocarbons($44.02\%$ in leaves, $56.98\%$ in roots) were the main components of the headspace of Capsella bursa-pastoris Medicus.

본 연구에서는 다양한 생리적 기능성 외에 우리 국민에게 친숙한 향기를 지닌 냉이를 대상으로 식용 부위에 따른 향기성분을 SDE 및 SPM 방법으로 동시 분석하여 우리나라 고유 방향성 식물자원의 보다 효과적인 활용을 위한 기초 자료를 제시하고자 하였다. SDE 방법으로 포집한 정유 성분과 SPME 방법으로 추출한 headspace 성분간에는 상당한 차이를 보였는데, 정유에는 headspace 성분보다 상대적으로 탄화수소의 함량이 적었고, 케톤류, 알콜류, 에스테르류 및 유기산류의 함량이 높았다. 특히 phytol은 잎의 정유에서, ethyl acetate는 뿌리의 정유에서 상당이 높게 확인되었다. 냉이 특유의 향기에 기여하리라 추정되는 함유 황 화합물은 정유에서 높게 나타났다. 냉이의 정유 성분에는 알코올류와 유기산류의 함량이 특히 높은 것으로 확인되었으며, 이는 ph발of과 1,2-benzenedicarboxylic acid에 기인하였다. 냉이 headspace에는 다량의 탄화수소류가 함유되어 있었고, 에스테르류 및 유기산류의 함량을 미량으로 확인되었다.

Keywords

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