Literature DB >> 18404316

Constituents from leaves of Apocynum venetum L.

Kazuaki Kamata1, Shujiro Seo, Jun-ichiro Nakajima.   

Abstract

An analysis using HPLC-MS revealed that an extract from dried leaves of Apocynum venetum L. contained more than 15 kinds of phenolic constituents. Two malonated flavonol glycosides were further isolated, and their structures were determined to be quercetin 3-O-(6''-O-malonyl)-beta-D-glucoside (1) and quercetin 3-O-(6''-O-malonyl)-beta-D-galactoside (2) by NMR spectroscopic analysis. This is the first report describing the isolation of these malonated flavonol glycosides from A. venetum L. Both glycosides showed strong scavenging activity against 1, 1-diphenyl-2-picrylhydrazyl (DPPH) radical.

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Year:  2007        PMID： 18404316     DOI： 10.1007/s11418-007-0202-3

Source DB:  PubMed          Journal:  J Nat Med        ISSN： 1340-3443            Impact factor:   2.343


  9 in total

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Authors:  Q Xiong; W Fan; Y Tezuka; I K Adnyana; P Stampoulis; M Hattori; T Namba; S Kadota
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3.  Characterization of Polyphenolic Content in the Aquatic Plants Ruppia cirrhosa and Ruppia maritima -A Source of Nutritional Natural Products.

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Journal:  Nutrients       Date:  2017-08-28       Impact factor: 5.717

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Journal:  Biomed Rep       Date:  2020-06-09

6.  UPLC-ESI-MS/MS Based Characterization of Active Flavonoids from Apocynum spp. and Anti-Bacteria Assay.

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Journal:  Antioxidants (Basel)       Date:  2021-11-27
  6 in total

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