황칠나무의 용매 분획별 추출물의 항산화 활성 및Acetyl-cholinesterase 저해 활성비교
Antioxidants and Acetyl-cholinesterase Inhibitory Activity of Solvent Fractions Extracts from Dendropanax morbiferus
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초록
황칠나무 잎과 줄기를 분리하여 각각 methanol 추출하여, 계통분획상법에 따라 dichloromethane, ethyl acetate, butanol 로 분획하였다. 분획물로 실시한 TLC에서 알칼로이드 성분으로 분리되는 성분을 확인할 수 있었다. 잎과 줄기 모두 ethyl acetate분획물은 IC50 30 ㎍/㎖으로 높게 측정 되었으며, ethyl acetate, dichloromethane, butanol분획물 순으로 저해 활성이 높게 나타났다. Acetyl cholinesterase inhibition assay를 실시한결과 황칠나무 잎과 줄기 모두 dichloromethane, ethyl acetate, butanol 분획물 순으로 저해 활성이 높은 것으로 나타났으며, 가장 높은 활성을 보인 황칠나무 줄기와 잎의 dichloromethane 분획물의 알칼로이드 함량이 상대적으로 높은 것으로 보아 알칼로이드 성분에 의한 것으로 유추 할 수 있으므로, 알칼로이드 성분의 동정 및 성분구조의 규명을 통하여 AChE저해 활성을 이용한 신경관련 질환에 도움을 줄 수 있는 천연물의 개발이 가능할것으로 사료된다.
Abstract
The leaves and stems of Dendropanax morbiferus were separated from organic solvents with methanol. The organic solvent fractions were fractionated with dichloromethane, ethyl acetate and butanol according to the systematic fractionation method. Oxidation in the body induces aging, and antioxidant activity has attracted the attention of many people as a preventive component to suppress negative reactions in the body. To investigate the antioxidant activity of Dendropanax morbiferus were subjected to DPPH free radical assay. In addition, acetyl cholinesterase inhibitions were performed for Alzheimer’s disease as an aging neurological disease. As a result, it was confirmed that the antioxidant effect of DPPH was generally good in the antioxidant test. The ethyl acetate fractions of Dendropanax morbiferus stems and leaves were IC50=30 ㎍/㎖. Acetyl cholinesterase inhibition experiments were carried out at a concentration of 250 ㎍/㎖. Dendropanax morbiferus stems fractions showed dichloromethane fraction of 57.68%, which significantly inhibited the activity of acetyl cholinesterase. Key words - Acetylcholinesterase inhibitory activity, Dendropanax morbiferus, Free radical scavenging
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