Based on product popularity [18], we selected 10 of the 23 beverages, that
were previously tested using liquid chromatography (LC) [16], for follow-up
analysis using two alternative methods to determine sugar content: 1) a
metabolomics-type (MET) approach based on mass spectrometry (MS) with
combined liquid and gas chromatography (GC) and 2) GC. Additionally, we
extended the use of GC to analyze a selection of juice products, as described
here.