Journal of Digital Convergence (디지털융복합연구)

The Society of Digital Policy and Management (한국디지털정책학회)
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Antimicrobial Effect of Garlic Extract against Pathogenic Bacteria

병원성 세균에 대한 마늘추출물의 항균효과

  • Moon, Weon-Hee (Dept. of Health & Medical Information, Daejeon Health Sciences College) ;
  • Yook, Keun-Dol (Dept. of Clinical Laboratory Science, Daejeon Health Sciences College)
  • 문원희 (대전보건대학교 보건의료정보과) ;
  • 육근돌 (대전보건대학교 임상병리과)
  • Received : 2014.08.16
  • Accepted : 2014.10.20
  • Published : 2014.10.28
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Abstract

The purpose of this study is to verify the antimicrobial effect of garlic and black garlic against pathogenic bacteria. For the comparative analysis of antibacterial effects of garlic, Ampicillin $10{\mu}g$ (BBL) was used as control antibiotics. Research experiments were conducted on each of November 2013 and January 2014. Susceptibility to the antimicrobial effect was measured through Kirby-Bauer disc diffusion method and verified according to the standard proposed by the CLSI. Antimicrobial effect of fresh garlic was higher regardless of the method to extract than Ampicillin $10{\mu}g$. In contrast, the manufacturing methods of the black garlic had no effective differentiations. In antimicrobial susceptibility test, black garlic showed resistance to all of 4 strains. However, in the ethanol-extract of fermented black garlic(natural aging of 15 days.) was found the small changes of the growth-inhibition-zone against S. aureus (8 mm)and E. coli(7 mm). This study proposes a variety attempts about the extraction methods of black garlic for the possibility of food preservation.

본 연구는 마늘추출물의 병원성 세균에 대한 항균효과를 검증하기 위한 목적으로 시행된 실험연구이다. 항균효과의 대조 항생제로서 Ampicillin $10{\mu}g$(BBL)을 사용하였다. 실험은 2013년 11월과 2014년 1월로 두 차례에 걸쳐 진행하였다. Kirby-Bauer의 disc diffusion method에 따라 감수성을 측정하였고 CLSI에서 제시한 판독기준에 따라 감수성 여부를 판독하였다. 연구결과, 생마늘은 추출법과 관계없이 Ampicillin $10{\mu}g$에 비해 항균효과가 높게 나타났다. 반면 흑마늘은 제조법과 추출방법과 관계없이 4종의 균주에서 저항성을 발현하였다. CLSI의 감수성 판독기준에 따르면 S. aureus와 E. coli에 Ampicillin $10{\mu}g$은 강력한 항균효과를 발현한 반면, 모든 균주들이 흑마늘 추출물에는 저항성을 발현하였다. 다만, 15일의 자연숙성발효한 흑마늘의 에탄올 추출물은 S. aureus와 E. coli에서 성장저지환이 각각 8 mm와 7 mm로 나타나 항균효과의 가능성을 발견하였다는 점에서 본 연구의 의의가 있다하겠다. 향후 마늘의 천연식품보존제 개발 가능성을 검증하기 위해서 흑마늘의 다양한 추출법을 활용한 항균효과에 대한 반복 연구를 제언한다.

Keywords

References

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