Journal of Life Science (생명과학회지)

Korean Society of Life Science (한국생명과학회)
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Optimun Conditions for Production of Mycelia and Extracellular Polysaccharide from Inonotus obliquus and Their Immunomodulating Acitivities

차가버섯의 균사체 및 세포외다당체의 생산조건과 면역활성

  • Park, Hee-Sung (Department of Biotechnology, Catholic University of Daegu) ;
  • Shin, Dong-Il (Department of Biotechnology, Catholic University of Daegu) ;
  • Chung, Il-Kyung (Department of Biotechnology, Catholic University of Daegu) ;
  • Yang, Byung-Keun (Department of Biotechnology, Catholic University of Daegu)
  • 박희성 (대구카톨릭대학교 자연대학 생명공학과) ;
  • 신동일 (대구카톨릭대학교 자연대학 생명공학과) ;
  • 정일경 (대구카톨릭대학교 자연대학 생명공학과) ;
  • 양병근 (대구카톨릭대학교 자연대학 생명공학과)
  • Published : 2009.11.30
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Abstract

Optium conditions for the production of mycelia and extracellular polysaccharide (EXPS) from submerged mycelial culture of Inonotus obliquus and their immunomodulating activities were investigated. The optmium production of mycelia and EXPS from I. obliquus was observed in mushroom complete medium (MCM). The optimum pH, temperature, and agitation speed for the production of mycelia and EXPS were 5.5, $25^{\circ}C$, and 150 rpm, respectively. The culture period for maximum production of mycelia (10.89 g/l) and EXPS (1.25 g/l) in shake flask cultivation was 11 days. The anticomplementary activity of intracellular polysaccharide (INPS) and EXPS form I. obliquus increased in a dose-dependent manner. Lysosomal enzyme activity of EXPS and INPS increased by 2.0- and 2.2-fold at $100{\mu}g/ml$ concentration, respectively, compared to the control group.

차가버섯의 균사체 생장과 세포외 다당체 생산을 위한 최적의 배양조건을 조사하고, 세포내 외 다당체의 항보체 활성과 대식세포의 lysosomal enzyme 활성을 관찰하였다. 균사체 생장과 세포외 다당체 생산을 위한 최적 pH, 온도, 및 교반속도는 각각 5.5, $25^{\circ}C$, 150 rpm으로 나타났으며, 배양기간은 11일째 최대 균사체 생장(10.89 g/l)과 세포외다당체 생산(1.25 g/l)을 보였다. 항보체 활성은 세포내 외 다당체의 처리 농도가 높을수록 활성이 증가함을 보였고, 대식세포의 lysosomal enzyme 활성은 $100{\mu}g/ml$ 농도에서 음성대조군에 비해 세포내 다당체는 약 2.2배, 세포외 다당체는 약 2배 정도 증가하였다.

Keywords

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