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Evaluation on Anti-fungal Activity and Synergy Effects of Essential Oil and Their Constituents from Abies holophylla

전나무 정유의 항진균 효과와 유효성분의 시너지효과 평가

  • Kim, Seon-Hong (Department of Forest Sciences, College of Agriculture & Life Sciences, Seoul National University) ;
  • Lee, Su-Yeon (Division of Wood Chemistry & Microbiology, Department of Forest Resources Utilization, Korea Forest Research Institute) ;
  • Cho, Seong-Min (Department of Forest Sciences, College of Agriculture & Life Sciences, Seoul National University) ;
  • Hong, Chang-Young (Department of Forest Sciences, College of Agriculture & Life Sciences, Seoul National University) ;
  • Park, Mi-Jin (Division of Wood Chemistry & Microbiology, Department of Forest Resources Utilization, Korea Forest Research Institute) ;
  • Choi, In-Gyu (Department of Forest Sciences, College of Agriculture & Life Sciences, Seoul National University)
  • 김선홍 (서울대학교 농업생명과학대학 산림과학부) ;
  • 이수연 (국립산림과학원 임산공학부 화학미생물과) ;
  • 조성민 (서울대학교 농업생명과학대학 산림과학부) ;
  • 홍창영 (서울대학교 농업생명과학대학 산림과학부) ;
  • 박미진 (국립산림과학원 임산공학부 화학미생물과) ;
  • 최인규 (서울대학교 농업생명과학대학 산림과학부)
  • Received : 2015.09.04
  • Accepted : 2015.10.19
  • Published : 2016.01.25

Abstract

This study was to investigate the antifungal activity of A. holophylla essential oil against dermatophytes, such as Epidermophyton floccosum, Trichophyton mentagrophytes and Trichophyton rubrum, and to determine the potential effective compound as dermatitis treatment. To evaluate the potential antifungal activities of A. holophylla essential oil and its fractions, paper disc diffusion and agar dilution method tested with morphological observation. Also, their major constituents were analyzed by GC/MS. To determine synergic effects of active ingredient from A. holophylla essential oil were carried out by checkerboard microtiter plate testing. The morphological changes of the dermatophytes exposed to active fraction G4 were observed by electron microscopes. As the results, the highest activities were identified in the fraction containing ${\alpha}$-bisabolol. A mixture of ${\alpha}$-bisabolol and bornyl acetate showed the synergy effects, expressing high potential effects. Also, morphological observation using electron microscopes showed a dramatic changes of cell membrane of E. floccosum and T. rubrum exposed to fraction G4 containing ${\alpha}$-bisabolol. In conclusion, A. holophylla essential oil and its constituents were expected to be used as antifungal agent or raw material for dermatitis therapy.

본 연구는 전나무 정유의 Epidermophyton floccosum, Trichophyton mentagrophytes, Trichophyton rubrum과 같은 피부사상균에 대한 항진균 활성을 구명하고 피부염 치료제로서의 전나무 정유의 잠재력을 평가하고자 하였다. 전나무 정유와 분획물, 유효성분의 표준시약을 이용하여 한천희석법, paper disc 확산법, TEM을 이용한 세포 변화 관찰 등을 통해 항진균 활성을 평가하였고, 주성분은 GC-MS로 분석하였다. 유효성분들의 시너지효과는 체커보드법을 통해 평가하였다. 그 결과, 가장 높은 활성을 나타낸 물질은 ${\alpha}$-bisabolol을 함유하고 있는 분획 G4였으며 다른 분획 보다 뛰어나게 높은 활성을 나타냈다. 체커보드법을 통해 ${\alpha}$-bisabolol과 bornyl acetate를 병용시 뛰어난시너지 효과를 나타냈고 세포 변화 관찰을 통해 분획 G4에 노출된 E. floccosum과 T. rubrum 균사는 정상세포와 달리 세포막과 세포소기관이 파괴됨이 관찰되었다. 따라서 전나무 정유와 그 구성성분들은 높은 항진균 효과를 가지고 있기 때문에 피부염 치료제의 원료로 이용이 가능할 것이라 기대되며, 특히 ${\alpha}$-bisabolol의 우수한 항진균 활성에 주목할 필요가 있다고 사료된다.

Keywords

References

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