Variation of Homoharringtonine Contents from Eight Natural Populations of Korean Native Plumyew Trees(Cephalotaxus koreana)

한국산(韓國産) 개비자나무(Cephalotaxus koreana) 8개 천연집단(天然集團)의 Homoharringtonine 함량변이(含量變異)

  • Jung, Myung-Suk (Department of Forest Science, Seoul National University) ;
  • Hyun, Jung-Oh (Department of Forest Science, Seoul National University) ;
  • Lee, Wi-Young (Korea Forest Research Institute) ;
  • Lee, Ho-Jae (Department of Forest Science, Seoul National University) ;
  • Kosal, Sal (Department of Forest Science, Seoul National University)
  • Received : 2005.06.22
  • Accepted : 2005.10.10
  • Published : 2005.12.31

Abstract

Homoharringtonine isolated from the plumyew tree (Cephalotaxus koreana) is currently considered as one of the most promising chemotherapeutic agents for anti-cancer. Variation of homoharringonine contents from eight natural populations of Korean native plumyew trees was determined by HPLC (high performance liquid chromatography), and compared with the variation among populations, the variation of the different parts(needle, root, stem and seed), and the variation according to their ages and growth features. Homoharringonine contents among populations were significantly different with Mt. South Dukyu ($1,048{\mu}g/g$) having the highest and Mt. Obong having the lowest. The analyses of plant pans showed that the homoharringtonine contents were highest in plant needles ($874{\mu}g/g$), and followed by roots, stems and seeds. Homoharringtonine contents of the plumyew trees decreased about 30% in increment with their ages and growth.

개비자나무로부터 추출한 HHT(homoharringonine)는 현재 가능성 있는 암화학요법제로 주목받고 있다. 국내 개비자나무 8개 천연집단의 HHT 함량 변이는 HPLC(high performance liquid chromatography)를 이용하여 조사하였고, 집단간 변이와 개체내의 부위별(잎, 줄기, 뿌리 및 종자) 변이 및 수령과 생장특성에 따른 함량 변이를 비교 분석하였다. 개비자나무의 집단간 HHT 함량 변이는 집단간에 통계적으로 유의한 차이가 인정되었으며, 거창의 남덕 유산 집단이 $1,048{\mu}g/g$으로 가장 높았고 완도의 오봉산 집단이 가장 낮았다. 개체내 부위별 함량은 잎에서 $874{\mu}g/g$으로 가장 높았으며, 다음으로 뿌리, 줄기, 종자 순으로 나타났다. 개비자나무의 HHT 함량은 수령이 증가하고 생장이 왕성해 질수록 대략 30% 정도 감소하는 것으로 나타났다.

Keywords

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