Journal of the korean academy of Pediatric Dentistry (대한소아치과학회지)

Korean Academy of Pediatric Dentistry (대한소아치과학회)
권호 표지

THE ANTIMICROBIAL EFFECT OF HORSERADISH (ARMORACIA RUSTICANA) ROOT EXTRACTS AGAINST OBLIGATE ANAEROBES IN ROOT CANAL

치근관 내 편성 혐기성 세균에 대한 서양산 고추냉이 뿌리 추출물의 항균효과

  • Lee, Won-Ju (Department of Pediatric Dentistry, Oral Science Research Center, College of Dentistry, Kangnung National University) ;
  • Park, Ho-Won (Department of Pediatric Dentistry, Oral Science Research Center, College of Dentistry, Kangnung National University) ;
  • Shin, Il-Sik (Faculty of Marine Food Science & Technology, Kangnung National University) ;
  • Lee, Ju-Hyun (Department of Pediatric Dentistry, Oral Science Research Center, College of Dentistry, Kangnung National University) ;
  • Seo, Hyun-Woo (Department of Pediatric Dentistry, Oral Science Research Center, College of Dentistry, Kangnung National University)
  • 이원주 (강릉대학교 치과대학 소아치과학교실, 구강과학연구소) ;
  • 박호원 (강릉대학교 치과대학 소아치과학교실, 구강과학연구소) ;
  • 신일식 (강릉대학교 해양생명공학부 식품미생물학교실) ;
  • 이주현 (강릉대학교 치과대학 소아치과학교실, 구강과학연구소) ;
  • 서현우 (강릉대학교 치과대학 소아치과학교실, 구강과학연구소)
  • Published : 2009.05.30
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Abstract

When the symptom of periapical infection is not released by mechanical instrumentation. anti-microbial agents including antibiosis become necessary in order to remove microorganisms from the root canal. Since anti-microbial agents of natural origins are currently popular, more natural remedies are being sought out. As it turns out, it is well known isothiocyanates (ITCs) in horseradish root extract have anti-microbial activity from many studies. In this research, anti-microbial effects of horseradish root extract and chlorhexidine, a typical anti-microbial agent, were investigated and compared against two kinds of obligate anaerobes. Fusobacterium nucleatum and Prevotella nigrescens, that are often discovered in infected root canal, and Clostridium perfringens, which is resistant to antibiotics and frequently used as a control strain for antibacterial studies 1. The MIC and MBC of horseradish root extract were ranged from 87 to 470 ppm and from 156 to 625 ppm against three kinds of obligate anaerobes, respectively. Horseradish root extract showed the strongest anti-bacterial activity (MBC, 156 ppm) against F. nucleatum and also showed anti-bacterial activity against antibiotic resistant obligate anaerobes. C. perfringens. 2. The MIC and MBC of chlorhexidine were ranged from 3.12 to 6.25 ppm and 10.94 ppm against three kinds of obligate anaerobes, respectively. 3. The MIC with 87-470 ppm of horseradish root exact has the same growth inhibiting effect as the one of 3.12-6.25 ppm of chlorhexidine. Likewise, the MBC with 156-625 ppm of horseradish has the similar bactericidal effect as 10.94 ppm of chlorhexidine.

치근단 감염 시 물리적인 작용으로 증상이 완화되지 않을 때, 근관 내 세균을 제거하기 위해 항균성을 지닌 소독제나 세척제가 필요하다. 천연항균제에 대한 관심이 증가하면서 여러 연구들에 의해 고추냉이 추출물의 구성 성분 중 하나인 allyl isothiocyanate에 대한 항균성이 밝혀졌다. 이에 본 연구에서는 근관내 감염시 자주 발견되는 세균들 중 편성혐기성 세균인 Fusobacterium nucleatum, Prevotella nigrescence, 그리고 항생제에 내성이 커서 항균 작용실험 시 대조균으로 자주 사용되는 Clostidial perfringens에 대한 서양산 고추냉이 뿌리 추출물의 항균효과를 알아보고, 대표적인 항균제인 클로르헥시딘과 비교하여 다음과 같은 결과를 얻었다. 1. 본 연구에 사용된 3종의 편성 혐기성 세균에 대한 서양산 고추냉이 뿌리 추출물의 최소 억제 농도는 평균 87-470 ppm, 최소 살균 농도는 평균 156-625 ppm으로 F. nucleatum에 대해 가장 강한 항균효과를 나타내었으며, 항균제에 저항성 이 큰 C. perfringens에도 항균효과를 나타내었다. 2. 본 연구에 사용된 3종의 편성 혐기성 세균에 대한 클로르헥시딘의 최소억제 농도는 평균 3.12-6.25 ppm, 최소 살균 농도는 평균 10.94 ppm이었다. 3. 서양산 고추냉이 뿌리 추출물은 87-470 ppm의 농도에서 3.12-6.25 ppm의 클로르헥시딘과 비슷한 세균성장 억제 효과를 가지며 156-625 ppm의 서양산 고추냉이 뿌리 추출물은 10.94 ppm의 클로르헥시딘과 비슷한 살균 효과를 보였다.

Keywords

References

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