The Korean Journal of Mycology (한국균학회지)

The Korean Society of Mycology (한국균학회)
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Physiological Activities of Gymnopilus spectabilis Mycelium Extract and Supernatant of its Broth

갈황색 미치광이버섯 균사체 추출물 및 배양액의 생리활성

  • Son, Jung-A (Division of Applied Microbiology, National Institute of Agricultural Science and Technology, RDA) ;
  • Seok, Soon-Ja (Division of Applied Microbiology, National Institute of Agricultural Science and Technology, RDA) ;
  • Lee, Kyoung-Jin (Department of Food Science and Biotechnology, Sungkyunkwan University) ;
  • Lee, Kang-Hyo (Division of Applied Microbiology, National Institute of Agricultural Science and Technology, RDA) ;
  • Park, Jeong-Sik (Division of Applied Microbiology, National Institute of Agricultural Science and Technology, RDA) ;
  • Park, Ki-Moon (Department of Food Science and Biotechnology, Sungkyunkwan University)
  • 손정아 (농업과학기술원 응용미생물과) ;
  • 석순자 (농업과학기술원 응용미생물과) ;
  • 이경진 (성균관대학교 식품생명공학과) ;
  • 이강효 (농업과학기술원 응용미생물과) ;
  • 박정식 (농업과학기술원 응용미생물과) ;
  • 박기문 (성균관대학교 식품생명공학과)
  • Published : 2007.12.31
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Abstract

This study was carried out to investigate the physiological activities of the ethanol extract from Gymnopilus spectabilis mycelium (EGM) and of the supernatant obtained from fermentation broth (SGB). The contents of polysaccharides, phenol compounds and total ${\beta}-glucans$ of EGM were found to be 80.14%, 3.5 mg/ml and 5.91%, respectively and those for SGB were 78.68%, 3.32 mg/ml and 3.28%, respectively. Both EGM and SGB exhibited dose-dependent nitrate-scavenging abilities at pH 1.2. In addition, both EGM and SGB on the autoxidation rate of the linoleic acid demonstrated powerful antioxidant activities at 1 mg/ml level. With respect to fibrolytic activity, EGM showed 1,180 unit/g, which was the same activity as streptokinase, while SGB was 1,011 unit/g. The angiotensin converting enzyme inhibition activity of EMG determined by both the normal and pretreatment methods were estimated to be 8.2% and 10.2%, respectively. However, SGB showed no corresponding activity. The growth inhibitory effects of EGM on AGS, A549, HeLa and NCTC cells were over 58.88%, respectively. And the growth inhibitory effects of the SGB on HeLa and NCTC cells were 44.92 and 76.76%, respectively. Also, EGM and SGB activated the components of the alternative complement pathway from 51 and 62% at the concentration of 100 mg/ml, The xanthine oxidase inhibition activities of EGM and SGB (1 mg/ml) were 9.53 and 16.92%, respectively.

독버섯인 갈황색 미치광이버섯의 균사체 추출물(EGM) 및 배양여액 농축물(SGB)의 생리활성을 탐색하였다. 다당류 및 단백질, 페놀화합물, 총 ${\beta}-glucan$ 함량은 EGM의 경우 각각 80.14%, 5.04%, 3.50 mg/ml, 5.95%이었으며, SGB는 78.68%, 4.75%, 3.32 mg/ml, 3.28%로 나타났다. 아질산염 소거능은 pH 1.2에서 EGM의 경우 100 mg/ml 처리 시 64.68%이었다. 환원력의 경우 EGM는 10 mg/ml 처리 시 0.54였으며, SGB는 100 mg/ml의 농도에서 0.87로 가장 높았고 10 mg/ml에서 0.57을 나타내었다. 그리고 linoleic acid의 자동산화 억제 실험에서 EGM의 경우 반응 30시간 이후에는 1 mg/ml 농도에서 합성항산화제인 butyl hydroxy toluene (BHT)나 vitamin E보다 높은 항산화활성을 나타내었다. 암세포 성장억제는 EGM의 경우 10 mg/ml의 농도에서 모든 세포에서 약 59%이상의 억제율을 보였으며, SGB의 경우 자궁암 세포인 HeLa에서 45%의 억제 효과를 나타낸 반면, 정상 간세포주인 NCTC에서도 76.76%의 억제를 나타내었다. 혈전용해 활성에서는 EGM의 경우 Streptokinase의 1,180 unit/g과 동일한 활성을 보였고, SGB는 1,011 unit/g을 나타내었다. ACE 저해활성에서 EGM의 경우 통상법에서는 $8.186{\pm}0.053%$이고, 전처리법에서는 $10.184{\pm}0.223$로 나타났으나, SGB의 경우 ACE 저해활성이 없는 것으로 나타났다. 항보체 활성의 경우 100 mg/ml농도에서 EGM의 경우 51.48%, SGB의 경우 62.65%의 활성도를 보였으며, 10 mg/ml 농도에서는 각각 7.01% 및 17.74%를 나타내었다. 체내 uric acid 생성인자인 xanthine oxidase 저해활성은 1 mg/ml 농도에서 EGM의 경우 9.53%, SGB의 경우 16.92%의 저해효과를 나타내었다.

Keywords

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