Blood metabolite Actual sample fPC1 (mM) fPC2 (mM)
Guanidoacetate   19.2443 16.7526
Hippurate X    
Histidine X    
Histamine   0.1448 0
Hypoxanthine X 0.1254 0
Isopropanol X 0.017 0
Lactate X 0.2972 0
Lysine X    
Maleate X 0.2852 0.1811
Mannitol X 18.0916 0.9322
Methanol X 1.1467 0.9029
Methylamine X 0.0838 0.0072
Methylguanidine   0.1761 0.1834
N,N-Dimethylglycine X 0.028 0.0368
N-Methylhydantoin   0.2124 0
N-Nitrosodimethylamine   0.2762 0
O-Acetylcarnitine X    
O-Acetylcholine   0.1567 0
O-Phosphocholine X    
Propionate   0.0089 0
Propylene glycol X    
Pyroglutamate X    
Salicylate X    
Sarcosine   0.2763 0.3998
Serine   0.0698 0
Succinate X 0.0456 0
Sucrose X    
Tartrate X 0.308 0.3615
Taurine X 41.1061 48.1989
Threonine X    
Thymine   0.0636 0
Trigonelline X    
Trimethylamine N-oxide X    
Tyrosine X    
Trans-Aconitate   0.1153 0.0789
Trimethylamine   0.0404 0.0392
Trimethylamine N-oxide   6.421 6.0661
Uracil X    
Urea X    
Uridine X    
Valine X    
Xylose X    
Cs-Aconitate X    
Trans-Aconitate X    
β -Alanine X 0.4513 0
τ -Methylhistidine      
Table 6: Compounds detected in actual samples and loadings of fPC1and fPC2.