Analysis of XXXX in honey by HPLC coupled with coulometric electrode array detection and electrospray ionization mass spectrometry.

@entity21119 @entity47593 @entity24207 @entity15605 @entity2487 @entity58010 @entity11720 @entity3088 @entity19812 @entity3092 @entity3096
The analysis of @entity3088 in unifloral honeys by high-performance liquid chromatography (HPLC) coupled with coulometric electrode array detection (CEAD) is described. The compounds were extracted by a nonionic polymeric resin (Amberlite XAD-2) and then separated on a reversed phase column using gradient elution. @entity3092 , @entity21119 , @entity24207 , @entity19812 , @entity15605 , @entity58010 , and @entity47593 were detected in a coulometric electrode array detection system between +300 and +800 mV against @entity11720 reference electrodes, and their presence was additionally confirmed by HPLC coupled with electrospray ionization mass spectrometry. The method was applied to analysis of 19 honeys of different varieties and origin. The limits of detection and quantitation ranged between 1.6 and 8.3  g/kg and 3.9 and 27.4  g/kg, respectively. The recoveries were above 96% in fluid and above 89% in creamy honeys. Some of these honeys ( @entity2487 , pumpkin, cherry blossom, dandelion, maple, and pine tree honey) were investigated for their @entity3096 content and profile for the first time. Differences between honeys were observed both in @entity3096 concentrations and in the @entity3096 profiles. The @entity3096 concentrations ranged from 0.015 to 3.4 mg/kg honey. @entity47593 , @entity15605 , @entity3092 , @entity58010 , and @entity19812 were detected in all investigated honeys, whereas @entity24207 occurred only in lemon and orange honeys and @entity21119 in lemon, orange, rhododendron, rosemary, and cherry blossom honeys.
