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Please use this identifier to cite or link to this item: http://hdl.handle.net/10198/7048

Título: Identification of phenolic constituents of cytisus multiflorus
Autor: Pereira, Olívia R.
Silva, Artur M.S.
Domingues, M.R.M.
Cardoso, Susana M.
Palavras-chave: Flavones
Chrysin-7-O-b-D-glucopyranoside
Apigenin derivatives
Luteolin derivatives
Electrospray ionisation-mass spectrometry
NMR
Issue Date: 2012
Editora: Elsevier
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.
Arbitragem científica: yes
URI: http://hdl.handle.net/10198/7048
ISSN: 0308-8146
Versão do Editor: 10.1016/j.foodchem.2011.09.045
Appears in Collections:DTDT - Artigos em Revistas Indexados ao ISI

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