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KMID : 0620720170230020097
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Natural Product Sciences
2017 Volume.23 No. 2 p.97 ~ p.102
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Acetylcholinesterase Inhibitors from Angelica polymorpha Stem
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Kwon Yong-Soo
Kim Hyun-Pyo
Kim Myong-Jo
Chun Wan-Joo
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Abstract
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Fourteen compounds were isolated from the stem of Angelica polymorpha. On the basis of spectral data, these compounds were identified as isoimperatorin (1), phellopterin (2), bergapten (3), xanthyletin (4), cnidilin (5), geijerine (6), (-)-3`-acetyl hamaudol (7), 7-demethylsuberosine (8), dehydrogeijerin (9), (-)-hamaudol (10), (+)-visamminol (11), divaricatol (12), scopoletin (13), and decursidate (14), respectively. Among them, compounds 4 - 6, 8, 9, 13, and 14 were isolated for the first time from A. polymorpha. Dehydrogeijerin (6) and geijerin (9) were isolated for the first time from genus Angelica. All isolates tested for inhibitory activity against acetylcholinesterae. Compounds 1 to 13 showed acetylcholinesterase inhibitory activity with IC50 values ranging from 1.4 to 37.5 μM.
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KEYWORD
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Angelica polymorpha, Coumarins, Chromones, Acetylcholinesterase inhibitory effect
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