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Determination Of 2-Alkylcyclobutanones With Electronic Impact And Chemical Ionization Gas Chromatography/Mass Spectrometry (Gc/Ms) In Irradiated Foods, Peter Horvatovich, Dalal Werner, Stéphanie Jung, Michel Miesch, Henry Delincee, Claude Hasselmann, Eric Marchioni
Determination Of 2-Alkylcyclobutanones With Electronic Impact And Chemical Ionization Gas Chromatography/Mass Spectrometry (Gc/Ms) In Irradiated Foods, Peter Horvatovich, Dalal Werner, Stéphanie Jung, Michel Miesch, Henry Delincee, Claude Hasselmann, Eric Marchioni
Stéphanie Jung
The use of a column containing 60 g of silica gel for cleanup and the use of isobutane as a reactant reagent for chemical ionization-mass spectrometric analysis of the saturated and monounsaturated alkyl side-chain 2-alkylcyclobutanones (2-ACBs; specifically induced by irradiation from fat in foods until the proof of contrary) has improved both the sensibility and the selectivity of the method when applied for the detection of irradiated foods. The quality of the chromatograms obtained was improved, allowing the detection of food samples (avocados) irradiated at low doses (0.1 kGy) or irradiated ingredients included in low proportions (less than 5%, wt/wt) …