Research Article

Changes of Metabolomic Profile in Helianthus annuus under Exposure to Chromium(VI) Studied by capHPLC-ESI-QTOF-MS and MS/MS

Figure 5

MS-Finder screenshot showing results for the precursor ion m/z 231.1367. Experimental (red) and theoretical (blue) isotopic patterns and MS/MS are included together with the fragment score plot. The list of candidate formulas with mass error and score is also presented and, for the selected formula, possible structures found in database search are reported.