Journal of the Korean Wood Science and Technology

The Korean Society of Wood Science & Technology (한국목재공학회)
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Analysis of Dyeing Components from Neolitsea sericea Koidz Bark

참식나무(Neolitsea sericea Koidz) 수피의 염착물질 분석

  • Received : 2006.01.24
  • Accepted : 2006.02.28
  • Published : 2006.05.25
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Abstract

Two compounds were isolated from the diethylether and ethyl acetate fraction of hot water extracts by TLC and column chromatography as dyeing components. The isolated compounds were characterized as H-dibenzoquinoline-2,10-diol,5,6,6a,7-tetrahydro-1,9-dimethoxy-6-methyl (compoundI) and lyoniresinol (compoundII) by NMR and Mass spectrophotometry. To investigate if the isolated compounds are involved in the dyeing process, HPLC analysis was used. The retention time of the components from dye used in the study and the dye decolorized from the dyed substrate, silk by ethyl acetate were compared to conform the identity of those compounds. The retention time of the components from the dye and decolorized solution were identical. As a results, those two compounds were considered as dye bound to the silk.

참식나무(Neolitsea sericea Koidz) 추출물의 염색특성을 구명하기 위하여 수피의 열수추출물에 대해 검토했다. 참식나무 수피의 열수추출물로부터 디에틸에테르와 에틸아세테이트로 분획하여 얻은 fraction을 TLC 및 column chromatography 처리하여 2개의 물질을 단리하였다. 기기분석을 통하여 단리물질의 구조를 해석한 결과, 알칼로이드 계열의 4H-dibenzoquinoline-2,10-diol, 5,6,6a,7-tetrahydro-1,9-dimethoxy-6-methyl (화합물I)과 리그난 계열의 lyoniresinol (화합물II)로 동정되었다. 이들 물질이 염색에 관여하는지 확인하기 위하여 HPLC를 사용하여 검토한 결과, 화합물(I)과 화합물(II)의 retention time이 참식나무 추출물 염색액 및 탈염액의 에틸아세테이트 fraction 중 주성분 피크의 retention time과 동일한 결과를 보였다. 따라서 화합물(I)과 화합물(II)가 참식나무 수피의 주요 염착물질임을 확인할 수 있었다.

Keywords

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