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|Título:||Identification of phenolic constituents of cytisus multiflorus|
|Autor:||Pereira, Olívia R.|
Cardoso, Susana M.
Electrospray ionisation-mass spectrometry
|Citação:||Pereira, Olívia R.; Silva, Artur M.S.; Domingues, Maria R.M.; Cardoso, Susana M. (2012) - Identification of phenolic constituents of cytisus multiflorus. Food Chemistry. ISSN 0308-8146.11:2, p. 652-659|
|Resumo:||The phenolic composition of the ethanolic extract obtained from the flowers of the medicinal plant Cytisus multiflorus has been elucidated by high performance liquid chromatography, electrospray mass spectrometry and nuclear magnetic resonance analysis. The extract was mainly composed of flavones, including the common chrysin, orientin, luteolin-5-O-glucoside, luteolin-7-O-glucoside, apigenin and apigenin-7-O-glucoside, which appeared as minor components. The major flavone in the extract was chrysin-7-O-B-D-glucopyranoside, and it also contained moderate amounts of a dihydroxyflavone isomer of chrysin, as well as of 2''-O-pentosyl-6-C-hexosyl-luteolin, 2''-O-pentosyl-8-C-hexosyl-luteolin and 6''- O-(3-hydroxy-3-methylglutaroyl)-2''-O-pentosyl-C-hexosyl-apigenin, which are not commonly found in the Fabaceae family. Other novel phenolic compounds found in the ethanolic extract of C. multiflorus comprised the flavones 2''-O-pentosyl-6-C-hexosyl-apigenin, 2''-O-pentosyl-8-C-hexosyl-apigenin and 6''-O-(3-hydroxy-3-methylglutaroyl)-200-O-pentosyl-C-hexosyl-luteolin. The assessment of the biological activities of the main compounds of this extract are now keen, in order to determine their relevance in the beneficial properties of the plant.|
|Versão do Editor:||10.1016/j.foodchem.2011.09.045|
|Aparece nas colecções:||DTDT - Artigos em Revistas Indexados ao ISI/Scopus|
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