Microbiology and Biotechnology Letters (한국미생물·생명공학회지)

The Korean Society for Microbiology and Biotechnology (한국미생물·생명공학회)
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Antibacterial Activity and Component Analysis of Persicaria perfoliata Extracts

며느리배꼽 추출물의 항균 작용과 성분 분석

  • Kim, Sun-Young (Department of Fine Chemistry, College of Nature and Life Science, Seoul National University of Science and Technology, Research Center for Development of Green Cosmetic) ;
  • Won, Doo-Hyun (Department of Fine Chemistry, College of Nature and Life Science, Seoul National University of Science and Technology, Research Center for Development of Green Cosmetic) ;
  • Park, Soo-Nam (Department of Fine Chemistry, College of Nature and Life Science, Seoul National University of Science and Technology, Research Center for Development of Green Cosmetic)
  • 김선영 (서울과학기술대학교 자연생명과학대학 정밀화학과, 그린코스메틱연구개발센터) ;
  • 원두현 (서울과학기술대학교 자연생명과학대학 정밀화학과, 그린코스메틱연구개발센터) ;
  • 박수남 (서울과학기술대학교 자연생명과학대학 정밀화학과, 그린코스메틱연구개발센터)
  • Received : 2010.05.31
  • Accepted : 2010.07.24
  • Published : 2010.09.28
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Abstract

In this study, the antibacterial activity and component analysis of Persicaria perfoliata extracts were investigated. MIC (Minimum Inhibitory Concentration) values of ethyl acetate fraction from P. perfoliata on Escherichia coli, Propionibacterium acnes, and Staphylococcus aureus were 0.25%, equally. The results showed that the antibacterial activity of the ethyl acetate fraction was the highest in the S. aureus and P. acnes. Ethyl acetate fraction from P. perfoliata extracts showed 5 bands in TLC and 8 peaks in HPLC (320nm). In HPLC chromatogram of ethyl acetate fraction, first main peak 2 (24.99%) and peak 3 (22.65%) were identified as quercetin-3-o-glucuronide and isoquercitrin in the order of elution time. Also, in HPLC chromatogram of deglycosylated fraction, main peak 2 (76.93%) was identified as quercetin in the order of elution time. And these components are very effective as antioxidants. Thus, these results indicate that extract/fractions of P. perfoliata can be applicable to new functional cosmetics for antioxidant, antibacterial activity.

1) 며느리배꼽의 항균활성 측정결과, S. aureus, P. acnes, 에 대한 ethyl acetate 분획의 MIC는 각각 0.25%, 0.25%로 큰 항균활성을 나타내었으며, 천연 방부제, 항균제로서 역할이 충분히 기대된다. 2) 며느리배꼽 추출물의 ethyl acetate 분획의 TLC는 5개의 띠(PP1, PP2, PP3, PP4, PP5)로 분리가 되었고, 그 중에서 농도가 가장 진한 것은 $R_f$ 값이 0.32인 PP4로 나타났다. 3) 며느리배꼽 추출물 중 ethyl acetate 분획의 HPLC 크로마토그램은 검출파장 320nm에서 8개의 peak를 나타내었고, peak 1은 caffeic acid, peak 2는 quercetin-3-o-glucuronide, peak 3은 isoquercitrin, peak 5는 quercetin, peak 6는 apigenin으로, peak 7은 kaempferol 임을 확인하였다. 4) 며느리배꼽 추출물의 aglycone 분획의 TLC는 3개의 띠(PPA1, PPA2, PPA3)로 분리가 되었고, 그 중에서 농도가 가장 진한 것은 $R_f$ 값이 0.45인 PPA3로 나타났다. 5) 며느리배꼽 추출물 중 aglycone 분획의 HPLC 크로마토그램은 검출파장 260 nm에서 3개의 peak를 나타내었고, peak 1은 caffeic acid, 높이가 가장 높은 peak 2는 quercetin 그리고 peak 3은 kaempferol임을 확인하였다. 이상의 결과들로부터 며느리배꼽 추출물의 강력한 항산화 성분과 항균 활성으로부터 며느리배꼽 추출물의 항산화, 항균 화장품으로의 응용 가능성을 시사한다.

Keywords

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