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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2007.9
- 수록면
- 189 - 194 (6page)
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This study investigated in vitro antioxidant activity of Sonchus oleraceus L. by extraction solvent, which were examined by reducing power, hydroxyl radical-scavenging activity(HRSA) and 1, 1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging assays. 70% MeOH extract had the greatest reducing power while EtOH extract had the greatest HRSA. The antioxidant activity of S. oleraceus extracts was concentration dependent and its IC50 values ranged from 47.1 to 210.5 ㎍/㎖ and IC?? of 70% MeOH, boiling water and 70% EtOH extracts were 47.1, 52.7 and 56.5 ㎍/㎖, respectively. 70% MeOH extract of S. oleraceus contained the greatest amount of both phenolic and flavonoid contents. The extracts tested had greater nitrite scavenging effects at lower pH conditions. The cytotoxic activity showed that EtOH extract had the best activity against the growth of stomach cancer cell. These results suggest that S. oleraceus extract could be used as a potential source of natural antioxidants.
목차
Abstract
Introduction
Materials and Methods
Results
Discussion
Literature Cited
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