determination of flavonoids in stamen, gynoecium, and petals of magnolia grandiflora l. and their associated antioxidant and hepatoprotection activities

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ID: 134732
2014
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Abstract
Chromatographic analysis of flavonoids in ethyl acetate fractions of the stamen, gynoecium, and petal of Magnolia grandiflora L. by HPLC-PDA-MS/MS-ESI in the negative ionization mode was performed in this study. The results revealed the presence of eight flavonoids: apigenin 8-C-glucoside, luteolin 8-C-glucoside, quercetin 3-O-rutinoside, quercetin 3-O-galactoside, quercetin, 3-O-glucoside, kaempferol 3-O-rutinoside, isorhamnetin 3-O-glucoside, and isorhamnetin. Their quantification revealed that luteolin 8-C-glucoside is the major flavonoid and that the total phenolic content is concentrated primarily in the stamen. The antioxidant and hepatoprotective effects of ethanolic extract of the flower organs were evaluated against hepatotoxicity induced by CCl4, compared with the effects of silymarin.
Reference Key
sokkar2014qumicadetermination Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Nadia M. Sokkar;Mohamed A. Rabeh;Gamal Ghazal;Amani M. Slem
Journal greece and rome
Year 2014
DOI
10.5935/0100-4042.20140106
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422014000400016&lng=en&tlng=en
Keywords
hepatoprotectionchemistry

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