Journal of Naturopathy (한국자연치유학회지)

Koean Soceity for Naturopathy (한국자연치유학회)
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Physiological Activities of wild Conyza canadensis L. Extracts

야생 망초(Conyza canadensis L) 에틸알코올 추출물의 생리활성

  • Lee, Hee Jea (Dept. of Naturopathy, Graduate School of Integrative Medicine, Sun Moon University) ;
  • Song, Hyun Sook (Dept. of Naturopathy, Graduate School of Integrative Medicine, Sun Moon University) ;
  • Lee, Geo Lyong (Dept. of Naturopathy, Graduate School of Integrative Medicine, Sun Moon University)
  • 이희제 (선문대학교 통합의학대학원 자연치유학과) ;
  • 송현숙 (선문대학교 통합의학대학원 자연치유학과) ;
  • 이거룡 (선문대학교 통합의학대학원 자연치유학과)
  • Received : 2022.09.13
  • Accepted : 2022.09.19
  • Published : 2022.09.30
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Abstract

Background: Studies on the existence and activation of antioxidants in the wild Erigeron canadensis are still incomplete. Purposes: The activity of antioxidant substances was studied by extracting E. canadensis with ethyl alcohol. Methods: After washing the wild turfgrass, extraction with ethyl alcohol was used to investigate the activity of antioxidant substances using various analytical instruments. Results: The highest yield ratio of the extract was 49.3%, and it varied according to temperature and ethyl alcohol ratio. The 50:50 of water to ethyl alcohol at 180℃ was the highest yield. 100% survival rate was in the untreated group and 98-100% in the experimental group at 50 ppm or more of the extract. There was no cytotoxicity at almost all concentrations. The extract of 25 ppm was suppressed by 42% in the test group. The extract of 50 ppm reduced the free fatty acid content by 15%. Cell viability was 20% at the extract concentration of 50 ppm and 24% at 100 ppm. At an extract of 500 ppm, the free oxygen scavenging ability using DPPH and ABTs was 90-98%. When the changes in the free radical scavenging activity of DPPH and ABTs were observed in three dimensions, the antioxidant activity tended to increase at 85℃ as the temperature increased. However, at 85~130℃, it showed a rather decreasing tendency as the temperature increased. Conclusions: There were antioxidants in the ethyl alcohol extract of the wild grass, there was almost no cytotoxicity and suppressed NO production, and the scavenging function of free oxygen was also high. These results provide primary data for the various natural healing uses of the extracts of the turfgrass.

배경: 야생 망초의 항산화 물질의 존재와 활성화 연구는 아직 미진한 상태이다. 목적: 본 연구에서는 망초를 에탄올에서 추출하여 항산화 물질의 활성에 관하여 연구하였다. 방법: 야생 망초를 세척한 다음에 에탄올로 추출하여 다양한 분석기기를 활용하여 항산화성 물질의 활성을 조사하였다. 결과: 야생 망초 추출물의 수율 비율은 최고는 49.3% 이었으며 온도와 에탄올 비율에 따라서 다양하게 나타났다. 추출에서 180℃에서 물과 에탄올 비율이 50:50에서 가장 높았다. 추출물의 세포독성 실험에서는 무처리 군은 100% 생존율, 실험군에서는 추출물 50 ppm 이상에서는 98-100%로 나타났다. 거의 모든 농도에서 세포독성이 없었다. 실험군에 서는 추출물 25 ppm에서는 Nitric oxide 생성은 42%까지 억제되었다. 추출물 50 ppm에서는 유리 지방산 함량이 15%가 감소하였다. 세포 생존율은 추출물 농도가 50 ppm에서는 20%, 100 ppm에서 24%이었다. 추출물 농도 500 ppm에서는 DPPH과 ABTs를 이용한 유리 산소 소거 능은 90-98%로 나타났다. DPPH와 ABTs 자유기 소거 활성의 변화를 3차원적으로 관찰하였을 때에 85℃에서는 온도가 증가함에 따라 항산화 활성이 증가하는 경향을 보였다. 그러나 85~130℃에서는 온도가 증가함에 따라 오히려 감소하는 경향으로 나타났다. 결론: 야생 망초 에탄올 추출물에서 항산화 물질이 확인되었으며, 세포독성도 거의 없고, NO 생산도 억제하고, 유리 산소의 소거 기능도 높게 나타났다. 이러한 결과는 망초 추출물을 다양한 자연치유적 활용에 대한 기초적 자료를 제공하고 있다고 본다.

Keywords

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