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Application Note 123
Application note
Categories: Drink Thermal desorption High-capacity sorptive extraction Application note

Flavour profiling of herbal infusions using HiSorb sorptive extraction and TD–GC–MS

Application Note 123

This application note compares the flavour profiles of five herbal infusions, obtained by high-capacity sorptive extraction using PDMS probes, with analysis by thermal desorption (TD)–GC–MS.

The ability of the system to sample analytes from a range of chemical classes and volatilities is demonstrated.

The high-capacity PDMS phase results in higher sample loadings than SPME methods, and (combined with Markes’ TD preconcentration technology) offers greater sensitivity across a wider analyte range, in a single run. A further benefit is provided by the unique capability of Markes’ instruments to re-collect all split flows, allowing repeat analysis for sample security, method optimisation and characterisation by alternative detection methods.

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