Flavonoids from leaves of Mauritia flexuosa

The chromatographic fractionation of the Mauritia flexuosa L. f., Arecaceae, leaves extract, a plant known by the name of buriti palm tree, resulted in the isolation of six flavonoids: tricin-7-O-rutinoside, apigenin-6-C-arabinoside, 8-C-glucoside (isoschaftoside), kaempferol-3-O-rutinoside (nicotif...

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Published inRevista brasileira de farmacognosia Vol. 23; no. 4; pp. 614 - 620
Main Authors de Oliveira, Djalma M., Siqueira, Ezequias P., Nunes, Yule R.F., Cota, Betania B.
Format Journal Article
LanguageEnglish
Published Elsevier Editora Ltda 01.07.2013
Sociedade Brasileira de Farmacognosia
Subjects
Arecaceae
chromatography
electrospray ionization mass spectrometry
flavonoids
fractionation
leaf extracts
leaves
Mauritia flexuosa
nuclear magnetic resonance spectroscopy
PHARMACOLOGY & PHARMACY
rutin
spectral analysis
Arecaceae
flavonoids
Mauritia flexuosa
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Summary:The chromatographic fractionation of the Mauritia flexuosa L. f., Arecaceae, leaves extract, a plant known by the name of buriti palm tree, resulted in the isolation of six flavonoids: tricin-7-O-rutinoside, apigenin-6-C-arabinoside, 8-C-glucoside (isoschaftoside), kaempferol-3-O-rutinoside (nicotiflorine), quercetin-3-O-rutinoside (rutin), luteolin-8-C-glucoside (orientin) and luteolin-6-C-glucoside (isoorientin). The flavonoids were found out and previously reported as constituents of the Arecaceae family plants, but the occurrence of C-glucoside flavonoids, in the species being analyzed, is described for the first time on this study. The structural elucidations of all of the isolated compounds were performed by means of the comparison of their spectral data (1H and 13C NMR, UV and ESI-MS) with those ones of the literature.
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content type line 23
ISSN:0102-695X
1981-528X
1981-528X
DOI:10.1590/S0102-695X2013005000061