Nano-liquid chromatography analysis of dansylated biogenic amines in wines

J Chromatogr A. 2007 Apr 20;1147(2):192-9. doi: 10.1016/j.chroma.2007.02.072. Epub 2007 Feb 24.

Abstract

In this work, the simultaneous analysis of 10 biogenic amines (ethanolamine, methylamine, tryptamine, 2-phenylethylamine, putrescine, cadaverine, histamine, tyramine, spermidine and spermine) in wines by nano-liquid chromatography (nano-LC) using UV detection and a capillary bidentate C(18) column of 100 microm I.D. is proposed. The 10 selected amines, which are the most important to be determined in wine samples, were derivatized with dansyl-chloride (Dns-Cl) previous to their nano-LC determination. Excess of the derivatizing agent as well as other components of the samples were eliminated by the use of an on-line cleaning step employing a C(18) trapping column which also provided a pre-concentration effect. The mobile phase composed of acetonitrile, water, acetic acid and triethylamine (TEA) mixture was pumped at a low flow rate (634 nL/min). Limits of detection (LODs) achieved ranged between 18.3 and 48.3 ng/mL; while calibration curves showed good linearity (R(2)>0.9924). The method was applied to the analysis of this group of amines in white and red wine samples after suitable treatment with polyvinylpyrrolidone (PVP) and extraction with C(18) cartridges.

MeSH terms

  • Biogenic Amines / analysis*
  • Biogenic Amines / chemistry
  • Calibration
  • Chromatography, Liquid / methods*
  • Nanotechnology*
  • Reproducibility of Results
  • Spectrophotometry, Ultraviolet
  • Wine / analysis*

Substances

  • Biogenic Amines