Neuroprotective Kaurane Diterpenes fromFritillaria ebeiensis
Author(s) -
Jing Xu,
Ping Guo,
Cuizhou Liu,
Zhanping Sun,
Liping Gui,
Yuanqiang Guo,
Tohru Yamakuni,
Yasushi Ohizumi
Publication year - 2011
Publication title -
bioscience biotechnology and biochemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.509
H-Index - 116
eISSN - 1347-6947
pISSN - 0916-8451
DOI - 10.1271/bbb.110146
Subject(s) - diterpene , neuroprotection , stereochemistry , chemistry , biology , pharmacology
The new kaurane diterpene, ent-3β-butanoyloxykaur-15-en-17-ol, and four known kaurane diterpenes were isolated from the bulbs of Fritillaria ebeiensis. Their structures were elucidated on the basis of extensive spectroscopic analyses (IR, ESI-MS, HR-ESI-MS, 1-D and 2-D NMR). All the isolates showed neuroprotective effects against MPP(+)-induced neuronal cell death in human dopaminergic neuroblastoma SH-SY5Y cells.
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