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- W749797890 abstract "본 연구는 캠벨종 포도 종자 ethyl acetate 분획물로 부터 생리활성 물질을 분리ㆍ동정하고 분리물질의 생리활성을 검토하기 위하여 수행되었다. 캠벨종 종자 ethyl acetate 분획물로부터 sephadex LP-20 column chromatography를 이용하여 활성물질을 단리하고 ¹H 및 ¹³C NMR 분석을 통하여 (+)-catechin과 (-)-epicatechin을 동정하였다. HPLC를 이용하여 정량 분석한 결과, (+)-catechin은 45.7%의, (-)-epicatechin은 35.1%의 함량을 나타내었으며 이들 화합물이 포도종자 중의 주요한 생리활성물질로 사료된다. 이들 화합물의 단독 또는 병용 처리 시 항산화 활성, 지질과산화 억제 효과 및 자외선 차단 효과를 살펴본 결과, DPPH free radical 소거 활성에서는 (+)-catechin과 (-)-epicatechin 모두가 RC_(50)=11.1 ㎍/mL와 RC_(50)=10.4 ㎍/mL으로 높은 free radical 소거 활성을 나타내었으나, 지질 과산화 억제는 (+)-catechin이나 (-)-epicatechin 단독처리보다는 ethyl acetate 분획물에서 훨씬 효과가 좋은 것으로 나타났다." @default.
- W749797890 created "2016-06-24" @default.
- W749797890 date "2005-12-01" @default.
- W749797890 modified "2023-10-18" @default.
- W749797890 title "Antioxidant and Lipid Peroxidation Inhibition Effects of Catechin Compounds Isolated from Ethyl Acetate Fraction of Grape Seed Ethanol Extract" @default.
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- W749797890 doi "https://doi.org/10.3746/jkfn.2005.34.10.1498" @default.
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