Aroma profiling of pet food using high-capacity sorptive extraction and TD–GC×GC–TOF MS

This study demonstrates the use of the INSIGHT flow modulator for TD–GC×GC–TOF MS aroma profiling of pet food, with sampling by high-capacity probe-based sorptive extraction. The value of the method is illustrated by the comparison of two brands of meat-based cat food.


A key result is the enhanced separation provided by GC×GC and the sensitivity of the sampling method, which ensures that trace off-odour components such as sulfur heterocycles are reliably separated and detected.

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