
Gas chromatography-mass spectrometry (GC-MS) coupled with headspace solid-phase microextraction )HS-SPME) links cocoa variety to chocolate aroma and flavor profiles.
Torsten C. Schmidt from the University Duisberg-Essen in Germany discusses how solvent-free microextraction techniques in gas chromatography have developed since their introduction in the mid-1980s, and the advantages of solvent-free microextraction techniques compared to purge-and-trap enrichment.






