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. 2014 Aug 6;9(8):e104621. doi: 10.1371/journal.pone.0104621

Figure 1. Metabolomic profiling of coffee samples using GC-TOF-MS.

Figure 1

Panel A shows the representative GC-TOF-MS chromatogram of caffeinated coffee sample, and panel B shows the representative GC-TOF-MS chromatogram of decaffeinated coffee sample.