| Literature DB >> 30963375 |
Yuta Endo1, Yu Sugiura1, Mariko Funasaki1, Hiroyuki Kagechika2, Masami Ishibashi3, Ayumi Ohsaki4.
Abstract
A new crinine-type alkaloid crijaponine A (1), a new galanthamine-type alkaloid crijaponine B (2), and 11 known alkaloids-ungeremine (3), lycorine (4), 2-O-acetyllycorine (5), 1, 2-O-diacetyllycorine (6), (-)-crinine (7), 11-hydroxyvittatine (8), hamayne (9), (+)-epibuphanisine (10), crinamine (11), yemenine A (12), and epinorgalanthamine (13)-were isolated from the rhizome and fruits of Crinum asiaticum var. japonicum. The structural elucidation of the isolated compounds was performed by spectroscopic methods including 2D NMR. The isolated compounds were evaluated for cytotoxicity against HeLa and HL-60 cells lines and were tested for acetylcholinesterase inhibition activity.Entities:
Keywords: Acetylcholinesterase inhibitory activity; Crinine alkaloid; Crinum asiaticum var. japonicum; Cytotoxicity; Galanthamine alkaloid
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Year: 2019 PMID: 30963375 DOI: 10.1007/s11418-019-01304-9
Source DB: PubMed Journal: J Nat Med ISSN: 1340-3443 Impact factor: 2.343