일본잎갈나무 낙엽의 추출성분 및 항산화활성

Fallen needles (8.5kg) of Larix kaempferi were separately collected, extracted with 95% EtOH. EtOH extract was evaporated under reduced pressure, concentrated then successively fractionated with a series of hexane, methylene chloride, ethylacetate and water on a separatory funnel. Then, each fractio...

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Veröffentlicht in:Journal of forest science 2005, Vol.21 (1), p.24-33
Hauptverfasser: 사전령, 권동주, 김진규, 황병호, 배영수, Si, Chuan-Ling, Kwon, Dong-Joo, Kim, Jin-Kyu, Hwang, Byung-Ho, Bae, Young-Soo
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Zusammenfassung:Fallen needles (8.5kg) of Larix kaempferi were separately collected, extracted with 95% EtOH. EtOH extract was evaporated under reduced pressure, concentrated then successively fractionated with a series of hexane, methylene chloride, ethylacetate and water on a separatory funnel. Then, each fraction was freeze dried. A portion of ethylacetate and water soluble powder were packed on a column chromatography (Sephadex LH-20) eluting with aqueous MeOH and EtOH-hexane mixture. Spectrometric analyses such as NMR and FAB-MS including TLC were performed to characterize the structures of isolated compounds. 5 compounds were isolated from the fallen needles of Larix kaempferi. The antioxidative activities of each fraction and isolated compounds were done by DPPH radical scavenging test. 일본잎갈나무 낙엽 (8.5kg)을 채취하여 95% EtOH 용액으로 추출하고 농축된 추출용액은 분획깔때기로 헥산, 메틸렌클로라이드, 에틸아세테이트 및 수용성으로 순차 추출하여 동결건조하였다. 에틸아세테이트용성과 수용성 분획에 대하여 칼럼크로마토그래피를 실시하였고, 충진물질로는 Sephadex LH-20을, 용리용매로는 메탄올 수용액 및 에탄올-헥산 혼합용액을 사용하였다. 단리된 화합물들은 TLC로 확인한 후 NMR 스펙트럼을 사용하여 정확한 구조규명을 하였고 FAB-MS와 EI-MS 스펙트럼으로 분자량을 측정하였다. 일본잎갈나무 낙엽으로부터 5개의 화합물을 단리하였으며, 각 분획물과 단리된 화합물들은 DPPH 라디칼 소거법을 이용하여 항산화 시험을 실시하였다.
ISSN:2287-2396
2287-240X