, Volume 53, Supplement 1, pp S356–S360 | Cite as

Comparison of GC-MS and HPLC for the analysis ofAllium volatiles

  • N. Mondy
  • A. Naudin
  • J. P. Christides
  • N. Mandon
  • J. Auger
Originals Gas Chromatography


Volatile sulfur compounds produced enzymatically fromAllium species have been identified by combined gas chromatography-mass spectrometry (GC-MS) and the results obtained have been compared with those from HPLC-UV analysis (with a diode-array detection, DAD). Analysis of the same onion sample by successive SPME-GC-MS or by solvent extraction then GC-MS enabled us to identify the true onion volatiles including lachrymatory factor and thiosulfinates. Conversely, for garlic samples HPLC analysis is more suitable because of the substantial degradation of allicin (the main thiosulfinate in garlic) during GC. An El mass spectrum of allicin obtained by GC-MS is reported for the first time.

Key Words

Gas chromatography-mass spectrometry Column liquid chromatography Allium spp Thiosulfinates Thiopropanal-S-oxide 


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Copyright information

© Friedr. Vieweg & Sohn Verlagsgesellschaft mbH 2001

Authors and Affiliations

  • N. Mondy
    • 1
  • A. Naudin
    • 1
  • J. P. Christides
    • 1
  • N. Mandon
    • 1
  • J. Auger
    • 1
  1. 1.Institut de Recherche sur la Biologie de l'Insecte (CNRS)University F. RabelaisToursFrance

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