Journal
JOURNAL OF CHROMATOGRAPHY A
Volume 918, Issue 2, Pages 303-310Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0021-9673(01)00748-8
Keywords
sample preparation; wine; food analysis; resveratrol; glycosides; phenolic compounds
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A method has been developed for the simultaneous determination of resveratrol in all its forms. (free isomers and glycosylates) in wines by high-performance liquid chromatography with diode array and mass spectrometric detection. Prior to injection into the column, preconcentration of the sample by automated solid-phase extraction is carried out. In the detection by UV absorption, quantitation was carried out at 280 and 305 nm, and in detection by mass spectrometry, quantitation was performed in the selected ion monitoring mode at m/z 228 and at m/z 238. A comparative study between both detection systems was carried out. (C) 2001 Elsevier Science B.V. All rights reserved.
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