期刊
PHYTOCHEMISTRY
卷 152, 期 -, 页码 91-96出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.phytochem.2018.05.001
关键词
Scutellaria moniliorrhiza Komarov; Labiatae; Flavonoid alkaloid; Scumonilines A-D; Anti-inflammatory; Inhibitory activity against aldose reductase
资金
- Natural Science Foundation of China [21372189]
- Natural Science Foundation of Shandong Province [ZR2014HM080]
Four undescribed flavonoid alkaloids, as two pairs of enantiomers, were initially isolated as a racemate from the whole plant of Scutellaria moniliorrhiza. By means of chiral HPLC, four isomers, named scumonilines A-D, were successfully separated, and their chemical structures including absolute configurations were established by mass as well as NMR spectroscopy and CD technique. In vitro, four flavonoid alkaloids showed anti-inflammatory activities, with IC50 values against the release of beta-glucuronidase from polymorphonuclear leukocytes of rats being in the range 5.16-5.85 mu M. Moreover, four compounds were evaluated for their inhibitory activities against aldose reductase, and gave IC50 values in the range 2.29-3.03 mu M. (C) 2018 Elsevier Ltd. All rights reserved.
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