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New Acylated Flavonol Glycosides and a Phenolic Profile of Pritzelago alpina, a Forgotten Edible Alpine Plant

Corradi, Elisabetta and De Mieri, Maria and Cadisch, Larissa and Abbet, Christian and Hamburger, Matthias and Potterat, Olivier. (2016) New Acylated Flavonol Glycosides and a Phenolic Profile of Pritzelago alpina, a Forgotten Edible Alpine Plant. Chemistry & Biodiversity, 13 (2). pp. 188-197.

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Official URL: http://edoc.unibas.ch/43376/

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Abstract

Thirteen acylated flavonoid glycosides, 1-13, including eleven new congeners, 3-13, were isolated from the aerial parts of Pritzelago alpina (Brassicaceae) by a combination of column chromatography on Sephadex LH-20, and preparative and semi-preparative HPLC. The structures were established by extensive NMR and MS experiments in combination with acid hydrolysis and sugar analysis by GC/MS. The new compounds were shown to be kaempferol and quercetin glycosides acylated for most of them by a branched short chain fatty acid or a hydroxycinnamic acid residue on the sugar portion. As shown by a HPLC-DAD analysis of a MeOH extract, these compounds are the main phenolic constituents in the aerial parts of the plant.
Faculties and Departments:05 Faculty of Science > Departement Pharmazeutische Wissenschaften > Pharmazie > Pharmazeutische Biologie (Hamburger)
UniBasel Contributors:Hamburger, Matthias and Corradi, Elisabetta and de Mieri, Maria and Potterat, Olivier
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:Helvetica Chimica Acta
ISSN:1612-1872
e-ISSN:1612-1880
Note:Publication type according to Uni Basel Research Database: Journal article
Identification Number:
Last Modified:28 Nov 2017 10:52
Deposited On:13 Dec 2016 07:31

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