국내산 주요 침엽수 잎의 추출성분 (2) - 화백나무 (Chamaecyparis pisifera (Sieb. et Zucc.) Endlicher)잎 추출성분 및 항산화 활성

The dried ground needles (2.0 kg) of Chamaecyparis pisifera (Sieb. et Zucc.) Endlicher were extracted with acetone-$H_2O$ (7:3, v/v), concentrated, and fractionated with a series of n-hexane, methylene chloride, ethyl acetate and water on a separation funnel. Each fraction was freeze dried, then a p...

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Published in목재공학 Vol. 34; no. 4; pp. 76 - 82
Main Authors 이상극, Sang Keug Lee, 배영수, Young Soo Bae
Format Journal Article
LanguageKorean
Published 한국목재공학회 30.07.2006
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ISSN1017-0715

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Abstract The dried ground needles (2.0 kg) of Chamaecyparis pisifera (Sieb. et Zucc.) Endlicher were extracted with acetone-$H_2O$ (7:3, v/v), concentrated, and fractionated with a series of n-hexane, methylene chloride, ethyl acetate and water on a separation funnel. Each fraction was freeze dried, then a portion of ethyl acetate soluble powder was chromatographed on a Sephadex LH-20 column using a series of aqueous methanol and ethanol-n-hexane mixture as eluents. The isolated compounds were identified by cellulose TLC, $^1H$-, $^{13}C$-NMR, COSY, HETCOR, FAB and EI-MS. (+)-catechin, taxifolin-3-O-${\beta}$-D-xylopyrano-side, quercetin-3-O-${\alpha}$-L-rhamnopyranoside were isolated from the ethyl acetate soluble fraction of Chamaecypairs pisifera needle. Antioxidative tests on the isolated compounds indicated that all of the compounds showed similar values to ${\alpha}$-tocopherol and BHT as controls. 화백나무(Chamaecyparis pisifera (Sieb. et Zucc.) Endlicher) 잎을 채취하여 건조시킨 후 분쇄하여 2.0 kg을 acetone-$H_2O$ (7:3, v/v)로 추출하고 헥산, 메틸렌클로라이드, 에틸아세테이트 및 수용성으로 분획하여 동결건조시켰다. 에틸아세테이트용성 분획을 sephadex LH-20으로 충진한 칼럼에서 메탄올과 에탄올-헥산 혼합액을 용리용매로 사용하여 칼럼크로마토그래피를 실시하였다. 단리된 화합물들은 TLC로 확인한 후 $^1H$-, $^{13}C$-NMR, COSY, HETCOR 등의 스펙트럼을 사용하여 정확한 구조를 규명하였고 FAB-MS로써 분자량을 측정하였다. 화백나무 잎의 에틸아세테이트 가용부에는 (+)-catechin (화합물 I), taxifolin-3-O-${\beta}$-D-xylopyranoside (화합물 II), quercetin-3-O-${\alpha}$-L-rhamnopyranoside (화합물 III)가 분리되었으며 단리 화합물에 대한 항산화 실험에서는 화합물 모두 기준물질과 유사한 높은 항산화 활성을 나타내었다.
AbstractList The dried ground needles (2.0 kg) of Chamaecyparis pisifera (Sieb. et Zucc.) Endlicher were extracted with acetone-$H_2O$ (7:3, v/v), concentrated, and fractionated with a series of n-hexane, methylene chloride, ethyl acetate and water on a separation funnel. Each fraction was freeze dried, then a portion of ethyl acetate soluble powder was chromatographed on a Sephadex LH-20 column using a series of aqueous methanol and ethanol-n-hexane mixture as eluents. The isolated compounds were identified by cellulose TLC, $^1H$-, $^{13}C$-NMR, COSY, HETCOR, FAB and EI-MS. (+)-catechin, taxifolin-3-O-${\beta}$-D-xylopyrano-side, quercetin-3-O-${\alpha}$-L-rhamnopyranoside were isolated from the ethyl acetate soluble fraction of Chamaecypairs pisifera needle. Antioxidative tests on the isolated compounds indicated that all of the compounds showed similar values to ${\alpha}$-tocopherol and BHT as controls. 화백나무(Chamaecyparis pisifera (Sieb. et Zucc.) Endlicher) 잎을 채취하여 건조시킨 후 분쇄하여 2.0 kg을 acetone-$H_2O$ (7:3, v/v)로 추출하고 헥산, 메틸렌클로라이드, 에틸아세테이트 및 수용성으로 분획하여 동결건조시켰다. 에틸아세테이트용성 분획을 sephadex LH-20으로 충진한 칼럼에서 메탄올과 에탄올-헥산 혼합액을 용리용매로 사용하여 칼럼크로마토그래피를 실시하였다. 단리된 화합물들은 TLC로 확인한 후 $^1H$-, $^{13}C$-NMR, COSY, HETCOR 등의 스펙트럼을 사용하여 정확한 구조를 규명하였고 FAB-MS로써 분자량을 측정하였다. 화백나무 잎의 에틸아세테이트 가용부에는 (+)-catechin (화합물 I), taxifolin-3-O-${\beta}$-D-xylopyranoside (화합물 II), quercetin-3-O-${\alpha}$-L-rhamnopyranoside (화합물 III)가 분리되었으며 단리 화합물에 대한 항산화 실험에서는 화합물 모두 기준물질과 유사한 높은 항산화 활성을 나타내었다.
Author Young Soo Bae
이상극
Sang Keug Lee
배영수
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Keywords Chamaecypairs pisifera
quercetin
taxifolin
antioxidative test
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Snippet The dried ground needles (2.0 kg) of Chamaecyparis pisifera (Sieb. et Zucc.) Endlicher were extracted with acetone-$H_2O$ (7:3, v/v), concentrated, and...
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SubjectTerms antioxidative test
Chamaecypairs pisifera taxifolin
quercetin
Title 국내산 주요 침엽수 잎의 추출성분 (2) - 화백나무 (Chamaecyparis pisifera (Sieb. et Zucc.) Endlicher)잎 추출성분 및 항산화 활성
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