Table 3 Metabolites identified by GC/MS

Amino acids, intermediates and derivatives

 Alanine

Glycine

Serine

 Asparagine

Isoleucine

Threonine

 Aspartic acid

Leucine

Tryptophan

 Cystathionine

Lysine

Tyrosine

 Cystine

Phenylalanine

Valine

 Glutamic acid

Proline

 Glutamine

Pyroglutamic acid

Glycolysis and TCA cycle compounds

 Isocitric acid/citric acid

Malic acid

Oxalacetic acid/pyruvic acid

Nucleic acids and intermediates

 Orotic acid

Uracil

 Urea cycle compounds

 Ornithine

Urea

Polyamines

 Cadaverine

Spermidine

Others

 2-Aminoadipic acid

Lactic acid

Plamitic acid (16:0)

 4-Aminobenzoic acid

n-Propylamine

Quinolinic acid

 Glucarate

Phthalic acid

Stearic acid (17:0)