한국균학회지 (The Korean Journal of Mycology)

한국균학회 (The Korean Society of Mycology)
권호 표지

영지 IY009 균사체의 분획에 따라 추출된 ganoderan의 조성과 생리적 활성

The Composition and Bioactivities of Ganoderan by Mycelial Fractionation of Ganoderma lucidum IY009

  • 한만덕 (순천향대학교 생물학과) ;
  • 정훈 (일양약품 중앙연구소 생물공학연구실) ;
  • 이준우 (일양약품 중앙연구소 생물공학연구실) ;
  • 백성진 (일양약품 중앙연구소 생물공학연구실) ;
  • 김수웅 (일양약품 중앙연구소 생물공학연구실) ;
  • 윤경하 (순천향대학교 생물학과)
  • 발행 : 1995.12.30
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초록

영지의 균사체를 분획화하여 ${\beta}-glucan$성 다당류인 ganoderan을 분리한 결과, 12%의 균체외성, 13%의 세포질성, 그리고 75%의 세포벽성 분획으로 각각 수획되었다. 각각의 분획들은 추출 부위와는 상관없이 포도당을 가장 많이 포함하고 있었으며, ${\beta}-glucan$의 특정을 지닌 다당류이었다. Ganoderan의 구성당 및 구성 아미노산은 균사체 추출부위에 따라 상이한 비율을 나타내었다. 이들의 생리적 활성을 검색한 결과, 항 보체 활성은 균체외성이며 수용성인 EXO-WS 분획이 38%로 가장 우수하였으며, 세포벽에서 추출한 알칼리 가용성이며 수용성인 CW-AS-WS 분획이 37%를 나타내었다. 항암활성은 CW-AS-WS 분획이 가장 우수하였으며 94%의 종양 억제율을 보였다. CW-AS-WS 는 평균 분자량 20kD로 80% 의 포도당으로 이루어진 ${\beta}-glucan$성 다당류이다.

Ganoderan, an immunomodulating ${\beta}-glucan$ of G. lucidum, induces potent antitumor immunity in tumor-bearing mice. The present study was set up to elucidate the chemical composition and bioactivities of ganoderan obtained from the mycelial fractionation of G. lucidum IY009. Ganoderan was isolated and purified from its extracellular, cell wall and cytoplasmic sources. These ganoderans were composed mainly of glucose. The cell wall-alkali soluble-water soluble fraction (CW-AS-WS) showed the highest antitumor activity (inhibition rate of 94%) in sarcoma-bearing mice and 37% of anticomplementary activity. The CW-AS-WS fraction was found to be approximately average 20,000 dalton in aq. 0.3N NaOH solution and composed of 88% carbohydrate and 4% protein. The carbohydrate of the CW-AS-WS was composed of 74% glucose. These results indicate that the ganoderans extracted from the mycelial fractionations of G. lucidum IY009 had different chemical characteristics and showed different potentiality in antitumor and anticomplementary activity.

키워드

참고문헌

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