Fast Determination of Chlorophenols at the ppt Level. A New Analytical Tool for Quality Control of Cork Stoppers?

FH - HES

Authors

  • Raphaël Berthod
  • Olivier Flaction
  • Urban Frey

DOI:

https://doi.org/10.2533/000942904777677623

Keywords:

Chloroanisoles, Chlorophenols, Cork, Derivatization, Gc-msms, Musty taint, Solid-phase microextraction, Wine

Abstract

Chlorophenols (CPs) are the precursors of the main source for the so-called musty taint, especially in wine. Currently, different fast methods for the determination of the chloroanisoles (CAs), mainly 2,4,6-trichloroanisole (TCA), the principal causative agent, are used for the quality control of cork stoppers. The methods available for CPs present either a long sample preparation step or are less representative for a batch, because of the very small sample size. We present a new fast method for the determination of chlorophenols and chloroanisoles at the ppt level by GC-MSMS using in situ derivatization and solid-phase microextraction (SPME) preconcentration. We present first results of the development of a new tool for efficient quality control in the cork stopper production.

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Published

2004-07-01

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