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Table 3 CRC stool metabolite numbers within each of the assigned metabolic pathways

From: Metabolomics and metabolic pathway networks from human colorectal cancers, adjacent mucosa, and stool

Metabolic pathway Number of metabolites
Amino acid 102
 Alanine and aspartate 5
 Glutamate 4
 Glutathione 1
 Glycine, serine, and threonine 6
 Histidine 5
 Leucine, isoleucine, and valine 17
 Lysine 8
 Methionine, cysteine, SAM, and taurine 9
 Phenylalanine and tyrosine 23
 Polyamine 6
 Tryptophan 10
 Urea cycle; arginine and proline 8
Carbohydrate 27
 Aminosugar 6
 Disaccharides and oligosaccharides 2
 Fructose, mannose, and galactose 4
 Glycogen 1
 Glycolysis, gluconeogenesis, and pyruvate 3
 Pentose 11
Cofactors and vitamins 20
 Ascorbate and aldarate 1
 Hemoglobin and porphyrin 5
 Nicotinate and nicotinamide 4
 Pantothenate and CoA 1
 Riboflavin 2
 Tetrahydrobiopterin 1
 Thiamine 2
 Tocopherol 3
 Vitamin B6 1
Energy 7
 Oxidative phosphorylation 1
 TCA cycle 6
Lipid 142
 Carnitine metabolism 3
 Endocannabinoid 2
 Fatty acid 56
 Fatty alcohol, long chain 2
 Glycerolipid 2
 Inositol 2
 Ketone bodies 1
 Lysolipid 16
 Monoacylglycerol 8
 Phospholipid 1
 Primary bile acid 6
 Secondary bile acid 12
 Sphingolipid 4
 Steroid 9
 Sterol 7
Nucleotide 25
 Purine and pyrimidine 1
 Purine metabolism 5
 (Hypo) xanthine/inosine containing 2
 Purine metabolism, adenine containing 4
 Purine metabolism, guanine containing 1
 Pyrimidine metabolism, cytidine containing 1
 Pyrimidine metabolism, orotate containing 4
 Pyrimidine metabolism, thymine containing 7
 Pyrimidine metabolism, uracil containing  
Peptide 106
 Dipeptide 99
 Gamma-glutamyl amino acid 4
 Polypeptide 3
Xenobiotics 71
 Benzoate 4
 Chemical 13
 Drug 10
 Food component/plant 33
 Xanthine 11