식물분류학회지 (Korean Journal of Plant Taxonomy)

  • 제41권1호
  • /
  • Pages.10-15
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  • 2011
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  • 1225-8318(pISSN)
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  • 2466-1546(eISSN)
한국식물분류학회 (The Korean Society of Plant Taxonomists)
권호 표지

한국산 닭의덩굴속 호장근절(마디풀과)의 화학분류학적 연구

Flavonoid chemistry of Fallopia sect. Reynoutria (Polygonaceae) in Korea

  • 박진희 (서울대학교 자연과학대학 생명과학부) ;
  • 문혜경 (서울대학교 자연과학대학 생명과학부) ;
  • 박종욱 (서울대학교 자연과학대학 생명과학부)
  • Park, Jin Hee (School of Biological Sciences, Seoul National University) ;
  • Moon, Hye-Kyoung (School of Biological Sciences, Seoul National University) ;
  • Park, Chong-Wook (School of Biological Sciences, Seoul National University)
  • 투고 : 2011.01.07
  • 심사 : 2011.02.11
  • 발행 : 2011.03.31
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초록

본 연구에서는 한국산 닭의덩굴속 호장근절 분류군들을 대상으로 개체군 수준에서 flavonoid 분석을 수행하여, 본 절 분류군에서 나타나는 형태변이 양상을 화학적 측면에서 파악하고, 이를 토대로 한반도에 분포하는 본 절 분류군들의 실체 및 한계를 정확히 파악하고자 하였다. 그 결과, 한국산 본 절 3분류군 15개체군의 잎으로부터 19종류의 서로 다른 flavonoid compound가 분리, 동정되었으며, 이들은 flavonol인 quercetin 및 kaempferol 3-O-glycoside들과 flavone인 apigenin및 luteolin C-glycoside들이었다. 이들 compound들 중 한국산 본 절 식물에 분포하는 주요 flavonoid compound는 quercetin 3-O-galactoside 와 quercetin 3-O-glucoside이었다. 본 절 한국산 분류군들은 그 flavonoid 조성에 의해 뚜렷이 구분되는 것으로 밝혀졌으며, 이러한 결과는 기존의 외부 형태학적 연구 결과와 전반적으로 일치하였다. 한편, 잡종으로 추정되는 논산 개체군의 flavonoid 조성은 F. japonica var. japonica, F. forbesii 및 F. sachalinensis와 일부 compound를 공유하는 것으로 나타났다. Fallopia japonica var. japonica의 경우, 염색체수 배수화에 따른 flavonoid 조성의 정성적 차이는 발견할 수 없었으나, 지리적 변이가 일부 나타나는 것으로 밝혀졌다.

Fifteen populations comprising three taxa and a putative hybrid of Fallopia sect. Reynoutria in Korea were examined for their leaf flavonoid constituents. Nineteen flavonoid compounds were isolated and identified; they were glycosylated derivatives of the flavonols quercetin and kaempferol, and of the flavones apigenin and luteolin. Among them, quercetin 3-O-galactoside and quercetin 3-O-glucoside were major flavonoid constituents, and present in all taxa. The flavonoid data appear to be very useful for taxon delimitation, and all taxa examined are readily distinguished by their flavonoid profiles. In addition, the flavonoid data suggest that the Nonsan population may be of hybrid origin involving F. japonica var. japonica, F. forbesii, and F. sachalinensis. In F. japonica var. japonica, there is no apparent correlation between their levels of polyploidy and flavonoid chemistry, but geographical variation of the flavonoid profiles among some populations was detected.

키워드

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