Journal of Applied Biological Chemistry

The Korean Society for Applied Biological Chemistry (한국응용생명화학회)
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The Antibiotic Effect of Acetic acid on Helicobacter pylori

초산에 의한 마우스 위의 Helicobacter pylori 살균효과

  • Kim, Sun-Young (Department of Microbial Engineering. Konkuk University) ;
  • Kwon, Woo-Je (Department of Microbial Engineering. Konkuk University) ;
  • Kang, Sang-Mo (Department of Microbial Engineering. Konkuk University)
  • 김선영 (건국대학교 미생물공학과) ;
  • 권우제 (건국대학교 미생물공학과) ;
  • 강상모 (건국대학교 미생물공학과)
  • Received : 2010.08.16
  • Accepted : 2010.10.28
  • Published : 2010.12.31
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Abstract

Helicobacter pylori (H. pylori) is the main causal bacteria occurring stomach diseases such as gastritis and gastric ulcer. These bacteria are found in most adults' stomach. Especially, 60~90% of H. pylori is found in Korean stomach. As a lot of curing methods have been applied to remove H. pylori and certain effects have been done but it's impossible to remove it perfectly with the existing medicines for curing. Therefore, it's very urgent to develop a certain substance showing more excellent effect than the existing medicines. In this study, it wasfound that organic acids can be accessed easily, inserted into mouth for curing and has excellent sterilizing effect among the substances showing excellent antibiotic power. Among them, acetic acid showed the most excellent effect. To confirm the refraining power against H. pylori, we performed tests through in vitro contact testing methods by concentration and tsta. In the result, H. pylori were terminated perfectly in the solution of acetic acid more than 0.3% within 1 minute. With a base of the result of In vitro test, It was performed in vivo test. As the results, H. pyloriwere terminated perfectly on 0.2% solution of acetic acid from the result of confirming through urease test, ELISA method and RT-PCR. Therefore, the result of this research will be very useful information in developing the functional foodstuffs using acetic acid in order to terminate H. pylori on the people's stomach, who suffers from H. pylori.

Helicobacter pylori(H. pylori)는 위 감염증의 주된 원인균으로, 위염 및 위궤양을 일이키는 균으로 알려져 있다. 대부분의 성인 남녀의 위에서 발견이 되면, 특히 한국 성인의 위에서 60~90% 정도 발견된다. H. pylori을 제균하기 위해 많은 치료 방법들이 시도되었고 어느 정도의 제균 활성은 있었으나, 완벽한 제균은 기존의 치료 약물로는 어렵다. 따라서 기존의 약물보다 더 효과가 좋은 물질의 개발이 시급한 상황이다. 본 연구에서는 항균 능력이 뛰어난 물질 중, 쉽게 접할 수 있고 경구투여로 치료가 용이하여 약재나 식품으로 응용할 수 있는 물질들중 유기산들이 살균능력이 뛰어난 것을 알았다. 그 중 초산이 가장 뛰어나 살균효과를 보였다. 초산의 H. pylori에 대한 억제 능력을 확인하기 위해 농도별, 시간별로 in vitro 접촉실험법으로 실험을 시행하였다. 그 결과 0.3% 이상의 초산 용액에서는 H. pylori가 1분 이내에 100% 사멸되었다. In vitro 실험 결과를 토대로 BALB/c mouse를 이용한 in vivo 실험을 하였다. H. pylori를 경구투여로 위해 접종하였다. 다음 감염된 것을 확인하고 초산용액을 각 군에 해당하는 농도에 준하여 0.1mL를 1일 1회 혹은 3회 경구투여하였다. 초산에 의한 H. pylori의 사멸 정도를 재배양 실험법, urease test 및 ELISA법으로 확인한 결과 초산용액 0.2% 식이에서 모두 사멸되었다. RT-PCR법으로 검정한 결과는 초산용액 0.2%에서 밴드가 나타났지만 이는 사멸된 균의 것으로 보이며, 0.3%에서 존재하지 않는 것으로 나타났다. RT-PCR법에서 0.2% 초산용액 식이에서는 H. pylori가 확인되는 것은 H. pylori의 사균이 위벽에 붙어 있다가 RT-PCR법으로 확인되는 것으로 보였다. 따라서 이 연구 결과가 세상 사람들의 절반이상이 감염되어 있는 H. pylori를 퇴치하는 데 매우 유용한 자료가 될 것이다. 또한 초산을 이용한 기능성 식품 개발에도 중요한 자료로써 활용될 것으로 생각된다.

Keywords

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