Antimicrobial Effect of Ampelopsis brevipedunculata Extracts On Food Spoilage or Foodborne Disease Microorganism

개머루덩굴 추출물의 식품부패 및 병원성 미생물에 대한 항균효과

  • Choi, Moo-Young (Dept. of Food and nutrition, Sangji University) ;
  • Rhim, Tae-Jin (Dept. of Biotechnology in Division of Animal and Life Resources, Sangji University)
  • 최무영 (상지대학교 식품영양학과) ;
  • 임태진 (상지대학교 동물생명자원과학부)
  • Received : 2010.06.28
  • Accepted : 2010.10.02
  • Published : 2010.10.30

Abstract

This study was performed to investigate the antimicrobial effects of Ampelopsis brevipedunculata ethanol-extract on food spoilage or foodborne disease microorganism. The antimicrobial activity of Ampelopsis brevipedunculata extract was determined by a paper disc method. The extract exhibited growth inhibiting activities in a concentration dependent manner on 7 species of microorganisms. The extract of Ampelopsis brevipedunculata showed the highest antimicrobial activity against Escherichia coli O157:H7. The growth inhibitory effects of the extract at the concentration of 250, 500, 1,000, 2,000 mg/L on food poisoning microorganism were determined against Salmonella typhimurium, Yersinia enterocolitica, Escherichia coli O157:H7 and Staphylococcus aureus. The growth of microorganisms was not affected by the extract at the concentration up to 250 mg/L, but was significantly (p<0.05) inhibited by the extract at the concentration higher than 500 mg/L. The results in the present study demonstrate antimicrobial effects of Ampelopsis brevipedunculata ethanol-extract against foodborne pathogens, suggesting that Ampelopsis brevipedunculata could be an effective natural antibacterial agent in food.

본 연구는 천연 식품보존료 개발의 일환으로 한약 재료로 이용되고 있는 개머루덩굴을 에탄올로 추출하여 식품부패 및 병원성 미생물에 대한 항균활성을 조사하였다. 개머루덩굴 에탄올 추출물은 식품부패 및 병원성 미생물에 대해 농도 의존적으로 항균효과를 보였으며, 그 중에서 Escherichia coli O157:H7 균에 대해 가장 높은 항균효과를 보였다. 또 개머루덩굴 에탄올 추출물이 식중독 유발세균의 성장에 미치는 효과를 검정하기 위해 Salmonella typhimurium, Yersinia enterocolitica, Staphylococcus aureus, Escherichia coli O157:H7 균들의 배양액에 개머루덩굴 에탄올 추출물의 농도를 250, 500, 1,000, 2,000 mg/L 각 농도별로 첨가하여 생육을 조사한 결과 250 mg/L까지는 대조군과 별 차이를 보이지 않았으나 500 mg/L 이상에서는 유의적인(p<0.05) 감소를 관찰할 수 있었다. 본 연구결과는 개머루덩굴 에탄올 추출물이 식중독을 유발시키는 세균에 대하여 우수한 항균작용을 나타내고 있으며, 따라서 개머루덩굴이 효과적인 천연보존료로서 이용될 수 있음을 시사하고 있다.

Keywords

References

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