Detected features were matched against the IDEOM’s version of the Kyoto Encyclopedia of Genes and Genomes (KEGG) metabolite database. After the identification of extracted features with database metabolites by IDEOM, the putative metabolites were matched with a metabolic pathway database. Pathos (Leader et al. 2011) is a freely available web-based facility that was used to analyze processed mass spectrometry data and graphically display the identified metabolites in the context of their metabolic pathways.