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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2008.12
- 수록면
- 1,299 - 1,304 (6page)
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The potential antioxidant activities of different fractions from a 70% methanolic (MeOH) extract of Sonchus oleraceus were assayed in vitro. All of the fractions exception of n-hexane showed a strong antioxidant activity, especially the ethyl acetate (EtOAc) fraction, which showed the highest 1,1-diphenyl-2-picrylhydrazyl (DPPH) free radical scavenging activity (IC??=19.25 ㎍/㎖). The results of hydroxyl radical scavenging activity and a reducing power assay showed concentration dependence, the EtOAc fraction demonstrating a better result than the other fractions at the same concentration in the studies. Additionally, the fractions’ total phenolic (TP) contents was measured, phenolic compounds such as tannic acid, p-coumatric acid, quercetin, epicathchin, and kaempferol being detected by high performance liquid chromatography (HPLC). Meanwhile, a regression analysis revealed a moderate-to-high correlation coefficient between the antiradical activity and the TP contents, suggesting that fractions obtained from the 70% MeOH extract of S. oleraceus are of potential use as sources of antioxidant material.
목차
Abstract
Introduction
Materials and Methods
Results and Discussion
Acknowledgments
References
참고문헌 (38)
참고문헌 신청
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Kris-Etherton PM / 2002 / Bioactive compounds in foods: Their role in the prevention of cardiovascular disease and cancer / Am. J. Med 113:71S~88S
Serafini M / 2002 / Total antioxidant potential of fruit and vegetables and risk of gastric cancer / Gastroenterology 123:985~991
Mahfuz E / 2007 / Determination of antioxidant activity and antioxidant compounds in wild edible mushrooms / J. Food Compos. Anal 20:337~345
Gerber M / 2002 / Food and cancer: State of the art about the protective effect of fruits and vegetables / Bull. Cancer 89:293~312
Kris-Etherton PM / 2002 / Bioactive compounds in foods: Their role in the prevention of cardiovascular disease and cancer / Am. J. Med 113:71S~88S
Serafini M / 2002 / Total antioxidant potential of fruit and vegetables and risk of gastric cancer / Gastroenterology 123:985~991
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UCI(KEPA) : I410-ECN-0101-2013-573-000858514