KSBB Journal

The Korean Society for Biotechnology and Bioengineering (한국생물공학회)
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Antioxidant Activity of Rosa rugosa

해당화의 항산화 효과

  • 서영완 (한국해양대학교 해양과학부) ;
  • 이희정 (한국해양대학교 해양과학기술연구소) ;
  • 안종웅 (한국해양대학교 해양과학부) ;
  • 이범종 (인제대학교 화학과) ;
  • 문성기 (경성대학교 생물학과)
  • Published : 2004.02.01
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Abstract

An antioxidant activity of Rosa rugosa extract and its solvent-partitioned fractions was determined not only by measuring lipid peroxide produced when a mouse liver homogenate was exposed to the air at 37$^{\circ}C$, using thiobarbituric acid (TBA) but also by evaluating the free radical scavenging effect against DPPH radical, authentic peroxynitrite, and 3-morpholinsydnonimine (SIN-1). All its partitioned fractions including crude extract showed potent scavenging effect against DPPH radical, peroxynitrite, and lipid peroxidation. n-BuOH fraction, in particular, was found to be the most effective in DPPH radical scavenging ability as well as inhibition against lipid peroxidation. The 15% aqueous MeOH fraction also showed a strong potency which was slightly lower than n-BuOH fraction. Based on these results, we suggest that Rosa rugosa could be useful for preventing an oxidative damage.

본 연구에서는 염생식물의 하나인 해당화의 항산화효과를 탐색하기 위해 해당화의 dichloromethane과 methanol의 조추출물을 합하여 n-hexane, 15% aq. MeOH, n-BuOH, $H_2O$로써 순차적으로 용매 분획하여 DPPH 라디칼, peroxynitrite의 소거 활성과 지질 과산화 저해 활성을 측정하였다. 그 결과 각각의 실험에서 해당화의 유의적인 항산화 효과가 확인되었으며, 특히, 4개의 분획물들 중 n-BuOH 획분이 가장 뛰어난 항산화 효과가 있는 것으로 나타났다. 따라서 해당화의 항산화 효과는 비교적 극성이 큰 2차 대사산물에 의한 것임을 추측할 수 있으며, 해당화의 많은 생물학적인 활성들 중 peroxynitrite 소거 효과와 마우스 간 균질물을 이용한 지질 과산화물 생성 억제 활성에 관한 보고는 이것이 처음이다.

Keywords

References

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