Direct determination of phenolic compounds in Sicilian wines by liquid chromatography with PDA and MS detection
作者： Giovanna Loredana La Torre , Marcello Saitta , Fortunato Vilasi , Teresa Pellicanò , Giacomo Dugo
DOI: 10.1016/J.FOODCHEM.2005.02.007
关键词:
摘要: Abstract Phenolic compounds in Sicilian wines were directly detected using an HPLC with a PDA detector coupled on-line MS system equipped Electrospray Ionisation (ESI) source operated the negative-ion mode and quadrupole mass analyzer. In this work, spectra recorded at different voltage, to obtain structural elucidations addition molecular informations. The response of identified has been also evaluated. characteristics cis- trans-piceid determined on basis obtained ESI interface. method allowed both identification determination 24 phenolic 22 commercial red by direct injection, without any prior purification sample. data levels all showed that wine samples from Merlot grapes generally had highest content.
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