Rapid identification of γ-irradiated food by direct solvent extraction and liquid chromatography–tandem mass spectrometric analysis of 2-dodecylcyclobutanone: Application in surveillance of irradiated food

•We have developed an efficient LC–MS/MS assay for irradiated food identification.•The unique radiolytic product 2-dodecylcyclobutanone was determined by LC–MS/MS.•The sample preparation time is significantly shortened compared to standard method.•The solvent consumption is reduced to less than one-...

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