Institute Of Cie Y Tecn Of Alimentos Y Nutr Ictan Institute Fermentaciones Industriales Ifi

San Juan de la Rambla, Spain

Institute Of Cie Y Tecn Of Alimentos Y Nutr Ictan Institute Fermentaciones Industriales Ifi

San Juan de la Rambla, Spain
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Barba C.,Institute Of Cie Y Tecn Of Alimentos Y Nutr Ictan Institute Fermentaciones Industriales Ifi | Santa-Maria G.,Institute Of Cie Y Tecn Of Alimentos Y Nutr Ictan Institute Fermentaciones Industriales Ifi | Flores G.,Institute Of Cie Y Tecn Of Alimentos Y Nutr Ictan Institute Fermentaciones Industriales Ifi | Herraiz M.,Institute Of Cie Y Tecn Of Alimentos Y Nutr Ictan Institute Fermentaciones Industriales Ifi | Calvo M.M.,Institute Of Cie Y Tecn Of Alimentos Y Nutr Ictan Institute Fermentaciones Industriales Ifi
Journal of Agricultural and Food Chemistry | Year: 2010

The usefulness of both solid phase microextraction (SPME) and multidimensional gas chromatography (MDGC) coupled to mass spectrometry (MS) to detect chlral compounds in irradiated cheese was evaluated. The enantiomeric resolution of relevant chiral aroma compound was achieved by analyzing the extracts obtained from SPME by means of a permethylated β-CD stationary phase as the main column of the multidimensional system to separate specific selected cuts containing components unresolved in the first dimension. The proposed procedure allowed to determine, in less than 90 min, that no significant variations had been produced in the stereoisomeric distribution of limonene, 3-hydroxybutanone, and 2,3-butanediol in cheese when applying irradiation doses ranging from 0 to 8 kGy. © 2009 American Chemical Society.

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