Carbon source chemical category Substrate PC1 PC2
Miscellaneous Pyruvic acid methyl ester 0.896 0.348
lucose-1-phosphate 0.162 0.617
D, L-α-Glycerol phosphate 0.969 0.039
Polymers Tween 80 0.958 0.232
Tween 40 0.974 0.137
α-Cyclodextrin 0.723 0.572
Glycogen -0.743 0.486
Carbohydrates D-Cellobiose 0.839 -0.529
α-D-Lactose 0.676 0.482
Methyl-D-glucoside 0.811 -0.458
D-Xylose 0.665 -0.474
i-Erythritol 0.816 0.334
D-Mannitol 0.650 -0.569
N-Acetyl-D-glucosamine 0.736 -0.518
Carboxylic acids D-Glucosaminic acid 0.725 -0.619
4-Hydroxy benzoic acid 0.868 0.396
D-Galactonic acid latone 0.976 -0.153
D-Galacturonic acid 0.646 -0.673
2-Hydroxy benzoic acid -0.396 -0.697
γ-Hydroxy butyric acid 0.721 -0.388
Itaconic acid 0.294 -0.368
α-Keto butyric acid -0.934 -0.178
D-Malic acid 0.521 0.842
Amino acids L-Arginine 0.839 -0.436
L-Asparagine 0.990 -0.096
L-Phenylalanine 0.805 -0.536
L-Serine 0.991 -0.035
L-Threonine 0.529 0.769
Glycyl-L-glutamic acid 0.611 0.540
Amines/amides Phenylethylamine 0.445 0.869
Putrescine 0.972 0.130