Liquid Chromatography−Electrospray Tandem Mass Spectrometry ofcis-Resveratrol andtrans-Resveratrol:  Development, Validation, and Application of the Method to Red Wine, Grape, and Winemaking Byproducts

2004 ◽  
Vol 52 (23) ◽  
pp. 6868-6874 ◽  
Author(s):  
Maria Careri ◽  
Claudio Corradini ◽  
Lisa Elviri ◽  
Isabella Nicoletti ◽  
Ingrid Zagnoni
Keyword(s):  
Mass Spectrometry ◽  
Liquid Chromatography ◽  
Tandem Mass Spectrometry ◽  
Red Wine ◽  
Tandem Mass ◽  
Wine Grape ◽  
Electrospray Tandem Mass Spectrometry

Analysis of Brassinosteroids in Soybean Seeds and Leaves by Liquid Chromatography-Tandem Mass Spectrometry

2017 ◽  
Vol 10 (1) ◽  
pp. 100-109
Author(s):  
Hongxia Li ◽  
Natasha Trzaskalski ◽  
R.J. Neil Emery
Keyword(s):  
Mass Spectrometry ◽  
Liquid Chromatography ◽  
Tandem Mass Spectrometry ◽  
High Performance ◽  
Soybean Seeds ◽  
Tandem Mass ◽  
Electrospray Tandem Mass Spectrometry ◽  
Aqueous Methanol ◽  
Chromatography Tandem Mass Spectrometry ◽  
Liquid Chromatography Tandem Mass

Objective:A simple and fast high performance liquid chromatography-electrospray tandem mass spectrometry (LC-ESI-MS/MS) method has been developed for the analysis of brassinosteroids (BRs) in plants without derivatization.Materials:The BRs (including castasterone, 24-epicastasterone, brassinolide and 24-epibrassinolide) have been extracted with ice cold 80% aqueous methanol solution.Method:Five different purification strategies have been tested for the purification and enrichment of BRs.Conclusion:This analytical method was sensitive, reliable, rapid and applicable to trace analysis in complex plant samples.

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