Korean Journal of Food Science and Technology (한국식품과학회지)

Korean Society of Food Science and Technology (한국식품과학회)
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Effects of Grape Extracts on Free Radical Scavenging Activity and Inhibition of Pro-Inflammatory Mediator Production in Mouse Macrophage Cells

포도 추출물들의 자유 라디칼 소거 작용 마우스 대식세포주의 염증 발현 매개 인자들에 대한 생성 억제 효과

  • Published : 2003.02.01
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Abstract

Antioxidant and anti-inflammatory potentials of various grape extracts were evaluated. Extracts from Kyho seed, Kyho stem, and Campbell seed showed potent 1,1-diphenyl-2-picrylhydrazyl (DPPH) free radical scavenging activities compared to resveratrol $(IC_{50}=16.9,\;21.5,\;21.9,\;34.6\;{\mu}g/mL,\;respectively)$, among which, antioxidant effect of Kyho seed extract were similar to that of vitamin C $(IC_{50}=12.2\;{\mu}g/mL)$. These extracts also exhibited inhibitory activities on lipopolysaccharide (LPS)-induced prostaglandin $E_2$ production and nitrite formation in mouse macrophage RAW 264.7 cells at $50\;{\mu}g/mL$. Kyho stem and seed extracts showed growth inhibitory activities in human lung and colon cancer cells. These results suggest the potential roles of grape extracts as antioxidants and anti-inflammatory agents.

국내에서 생산된 거봉 및 캠벨 포도의 씨, 줄기 및 껍질 추출물에 대하여 항산화 작용, 염증 관련 인자 생성에 미치는 활성 및 암세포 성장에 대한 영향 등을 resveratrol과 비교하여 평가하였다. 그 결과 포도 추출물 중 거봉줄기, 캠벨줄기, 캠벨씨 및 거봉씨 추출물들이 항산화 능력을 나타내었고 그 중 거봉씨 추출물은 vitamin C와 효력이 유사하게 나타나 항산화 효능이 우수함을 알 수 있었다. 또한 마우스 대식세포주인 RAW 264.7 cell을 이용하여 포도 추출물들의 LPS처리에 의한 $PGE_2$ 및 NO 생성을 저해 여부를 확인한 결과, 거봉줄기, 거봉씨, 및 캠벨씨 추출물이 $50\;{\mu}g/mL$에서 $PGE_2$ 및 NO 생성을 50% 가량 저해하는 효능을 나타내었다. 또한 사람 폐암 및 대장암 세포주를 이용하여 포도 추출물들이 암세포 성장 저해 효과를 나타내는지를 확인하였는데 거봉줄기 및 씨 추출물 $50\;{\mu}g/mL$에서 30% 정도의 암세포 성장 저해 작용을 나타내었다.

Keywords

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