Identification and quantification of free radical scavengers in the flower buds of Lonicera species by online HPLC-DPPH assay coupled with electrospray ionization quadrupole time-of-flight tandem mass spectrometry

ABSTRACT Flos Lonicerae, derived from the flower buds of several medicinal Lonicera species, is a commonly used herbal medicine with multiple pharmacological activities, one of the major ones being antioxidant activity. In this study, free radical scavengers in the flower buds of six Lonicera specie...

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Veröffentlicht in:	Biomedical chromatography 2012-04, Vol.26 (4), p.449-457
Hauptverfasser:	Li, Yan-Jing, Chen, Jun, Li, Ying, Li, Ping
Format:	Artikel
Sprache:	eng
Schlagworte:	antioxidant Biphenyl Compounds - chemistry Chromatography, High Pressure Liquid - methods DPPH free radical Flos Lonicerae Flowers - chemistry Free Radical Scavengers - analysis Free Radical Scavengers - pharmacology LC Q-TOF MS/MS Lonicera - chemistry Picrates - chemistry Plant Extracts - analysis Plant Extracts - pharmacology qualitative and quantitative analysis Spectrometry, Mass, Electrospray Ionization - methods Tandem Mass Spectrometry - methods
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