Fig. 2From: Improved annotation and quantification of metabolites in rice (Oryza sativa L.) seeds using two-dimensional gas chromatography–time-of-flight mass spectrometryPartial GC-TOFMS total ion chromatogram (TIC) (A), analytical ion chromatogram (AIC) (B), and selected ion chromatogram (C) of glycerol and phosphoric acid in Dongjin. Partial GC × GC-TOFMS TIC contour plot (D) and surface plot (E) of phosphoric acid and glycerol in Dongjin. P Phosphoric acid; G Glycerol. Mass spectrum of glycerol (F) and phosphoric acid (G) from NIST libraryBack to article page