Type of Carbon Source Kind of Carbon Source PC1 PC2 PC3
Carbohydrates β-methyl-D-glucoside 0.576 0.543 0.349
D-xylose -0.227 0.050 0.727
I-erythritol -0.261 0.806 0.084
D-mannitol 0.058 0.917 -0.258
N-acetyl-D-glucosamine -0.694 0.671 -0.172
D-cellobiose 0.094 0.944 -0.009
α-D-lactose 0.366 0.662 0.127
D-galactonic acid γ-Lactone -0.724 0.127 0.393
L-α-glycerol 0.927 -0.268 0.066
Glucose-1-phosphate 0.836 0.253 0.359
Amino acids L-arginine 0.310 0.050 0.535
L-asparagine 0.106 0.288 0.682
L-phenylalanine -0.322 0.441 0.75
L-serine 0.277 0.428 0.823
L-threonine 0.946 0.048 0.039
Glycyl-L-glutamic acid 0.464 0.627 0.527
Carboxylic acid γ-hydroxybutyric acid -0.259 0.281 0.003
α-ketobutyricacid 0.955 -0.262 -0.023
D-glucosaminicacid -0.272 0.832 0.426
D-malicacid 0.512 0.465 -0.452
D-galacturonicacid 0.275 -0.160 0.778
Pyruvicacidmethyl ester -0.620 0.618 0.037
Itaconicacid 0.542 0.103 0.629
Amines Phenethylamine 0.862 0.206 0.255
Putrescine -0.040 -0.200 0.632
Phenolic acid 2-hydroxybenzoicacid 0.807 -0.456 -0.188
4-hydroxybenzoicacid 0.517 0.176 0.037
Polymers Tween40 -0.027 0.695 0.081
Tween80 -0.117 0.829 0.339
α-cyclodextrin 0.730 0.147 0.551
Heparanose 0.653 -0.335 0.168