Constituents of the Underground Parts of Glehnia littoralis
TLDR
The 1,1-diphenyl-2-picrylhydrazyl radical-scavenging assay disclosed quercetin, isoquercet in, rutin, chlorogenic acid, and caffeic acid as the major antioxidative constituents in this crude drug.Abstract:
From the underground parts of Glehnia littoralis FR. Schmidt ex Miquel (Umbelliferae), 26 compounds, including two new lignan glycosides [giehlinosides A (1) and B (2)], a new neolignan glycoside [glehlinoside C (3)], and a new phenylpropanoid glycoside 14-[beta-D-apiofuranosyl-(1-->6)-beta-D-glucopyranosyloxyl-3-methoxypropiophenone (4)1, were obtained and their structures were determined by analysis of their spectral data. The 1,1-diphenyl-2-picrylhydrazyl radical-scavenging assay disclosed quercetin (8), isoquercetin (9), rutin (10), chlorogenic acid (11), and caffeic acid (24) as the major antioxidative constituents in this crude drug.read more
Citations
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Inducible Nitric Oxide Synthase and Cyclooxygenase-2 Participate in Anti-inflammatory Activity of Imperatorin from Glehnia littoralis
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Astonishing diversity of natural surfactants: 5. Biologically active glycosides of aromatic metabolites.
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A practical strategy for the characterization of coumarins in Radix Glehniae by liquid chromatography coupled with triple quadrupole-linear ion trap mass spectrometry
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Constituents from the bark of Tabebuia impetiginosa.
TL;DR: The bark of Tabebuia impetiginosa afforded nineteen glycosides, consisting of four iridoid gly cosides, two lignan glycoside, two isocoumarin glycosided, three phenylethanoid glyCosides and eight phenolic glycosidas, whose structures were determined using both spectroscopic and chemical methods.
References
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