Structural characterization of phenolics and betacyanins in Gomphrena globosa by high-performance liquid chromatography-diode array detection/electrospray ionization multi-stage mass spectrometry

被引：27

作者：

Ferreres, Federico ^{[1
]}

Gil-Izquierdo, Angel ^{[1
]}

Valentao, Patricia ^{[2
]}

Andrade, Paula B. ^{[2
]}

机构：

[1] CEBAS CSIC, Dept Food Sci & Technol, Res Grp Qual Safety & Bioact Plant Foods, Murcia, Spain

[2] Univ Porto, REQUIMTE Lab Farmacognosia, Dept Quim, Fac Farm, P-4050047 Oporto, Portugal

来源：

RAPID COMMUNICATIONS IN MASS SPECTROMETRY | 2011年 / 25卷 / 22期

关键词：

IDENTIFICATION; DIFFERENTIATION; AMARANTHACEAE; FLAVONOIDS; ISOMERS;

D O I：

10.1002/rcm.5248

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

The metabolite profiling of Gomphrena globosa inflorescences was performed by high-performance liquid chromatography-diode array detection/electrospray ionization multi-stage mass spectrometry (HPLC-DAD/ESI-MSn). Based on the fragmentation patterns, 24 phenolic compounds were characterized. The identified phenolics include p-coumaric and ferulic acids, quercetin, kaempferol, isorhamnetin, and hydroxylated 6,7-methylenedioxyflavone derivatives, as well as their aglycones, none of them reported before in the species. This is also the first time that tetrahydroxy-methylenedioxyflavone derivatives and acetylglycosides are described in nature. Betacyanins were also found. This study significantly extends the knowledge of the G. globosa metabolome, by providing further insights into its phenolic composition. Copyright (C) 2011 John Wiley & Sons, Ltd.

引用

页码：3441 / 3446

页数：6

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