6-Hydroxyluteolin-7- O-β- D-[2- O-β- D-xylosylxyloside]: a novel flavone xyloxyloside from Hebe stenophylla

In the course of a chemotaxonomic study of New Zealand Hebe species, a novel flavone xylosylxyloside, 6-hydroxyluteolin-7- O-β- D-[2- O-β- D-xylosylxyloside] has been isolated and characterized from Hebe stenophylla. This compound and the accompanying 6-hydroxyluteolin-7- O-β- D-[2- O-β- D-xylosylgl...

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Bibliographic Details
Published in:Phytochemistry (Oxford) 1999-11, Vol.52 (6), p.1165-1167
Main Authors: Mitchell, Kevin A., Markham, Kenneth R., Bayly, Michael J.
Format: Article
Language:English
Subjects:
6-Hydroxyluteolin-7- O-β- D-[2- O-β- D-xylopyranosyl-glucopyranoside]
6-Hydroxyluteolin-7- O-β- D-[2- O-β- D-xylopyranosyl-xylopyranoside]
Biological and medical sciences
chemical constituents of plants
Chemical constitution
chemical structure
flavones
Flavonoid
Fundamental and applied biological sciences. Psychology
glycosides
Hebe
Hebe stenophylla
Plant physiology and development
Scrophulariaceae
spectral analysis
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Summary:In the course of a chemotaxonomic study of New Zealand Hebe species, a novel flavone xylosylxyloside, 6-hydroxyluteolin-7- O-β- D-[2- O-β- D-xylosylxyloside] has been isolated and characterized from Hebe stenophylla. This compound and the accompanying 6-hydroxyluteolin-7- O-β- D-[2- O-β- D-xylosylglucoside] are the major and characteristic flavonoid components of H. stenophylla. Structure identification is based primarily on 1 H -, 13 C - and 2D-NMR evidence. This is the first recorded isolation of a flavone or flavonol glycoside containing a dixylosyl moiety.
ISSN:0031-9422
1873-3700
DOI:10.1016/S0031-9422(99)00380-5