Two new C-glucosyl flavonoids from Ziziphus jujube and their anti-inflammatory activity

摘要

Two new C-glucosyl flavonoids 6-O-feruloylspinosin and 6-O-feruloyl-6-p-hydroxybenzoylspinosin, together with five known compounds, were isolated from the seeds of Ziziphus jujube (Rhamnaceae family). Their structures were elucidated on the basis of chemical and spectroscopic evidences. Compounds 1-7 showed moderate inhibitory effects against COX-1 and COX-2 enzymes.

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