한국식품조리과학회지 (Korean journal of food and cookery science)

  • 제26권6호
  • /
  • Pages.848-852
  • /
  • 2010
  • /
  • 2287-1780(pISSN)
  • /
  • 2287-1772(eISSN)
한국식품조리과학회 (Korean Society of Food and Cookery Science)
권호 표지

조릿대 Ethanol 추출물 및 분획물의 항균 효과

Antibacterial Activity of Ethanol Extract and Fraction of Sasa borealis

  • 장미란 (덕성여자대학교 식물자원연구소) ;
  • 이다움 (덕성여자대학교 식물자원연구소) ;
  • 김건희 (덕성여자대학교 식물자원연구소)
  • Jang, Mi-Ran (Plant Resources Research Institute, Duksung Women's University) ;
  • Lee, Da-Uhm (Plant Resources Research Institute, Duksung Women's University) ;
  • Kim, Gun-Hee (Plant Resources Research Institute, Duksung Women's University)
  • 투고 : 2010.10.07
  • 심사 : 2010.12.02
  • 발행 : 2010.12.31
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초록

This study investigated the antibacterial activities of extracts and fractions of Sasa borealis against eight bacteria (Bacillus cereus, Bacillus subtilis, Listeria monocytogenes, Staphylococcus aureus, Psedomonas aerginosa, Salmonella choleraesuis, Serratia marcescens and Vibrio vulnificus) by broth dilution assay. Using survival curves, the kinetics of bacterial inactivation upon exposure to the extracts and fractions were followed for 24 h. In this same manner, MIC (minimum inhibitory concentration) values were determined by broth microdilution assay and then confirmed to be the extract concentrations that inhibited bacterial growth. Sasa borealis extracts showed antibacterial activities against all tested bacteria. In particular, all tested fractions of Sasa borealis had stronger activities than 70% ethanol extract. MIC of Sasa borealis extract was determined to be 5 mg/mL against Salmonella choleraesuis. All fractions of Sasa borealis extract had extremely strong antibacterial activities. MIC of fractions were determined to be 0.03~2.5 mg/mL. These results suggest that the extracts and fractions of Sasa borealis effectively inhibited bacterial growth and thus are useful as natural antibacterial agents.

키워드

참고문헌

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