Table 2.
Substrates highly correlated with PC1 and PC2.
| PC1 | r |
|---|---|
| Carbohydrates | |
| I-Erythritol | 0.895 |
| Glycogen | 0.835 |
| D-Glucosaminic acid | 0.859 |
| D-Cellobiose | 0.891 |
| Amino acids | |
| L-Arginine | 0.848 |
| L-Phenylalanine | 0.918 |
| L-Threonine | 0.838 |
| Carboxylic acids | |
| Pyruvic acid methyl ester | 0.873 |
| y-Hydroxybutyric | 0.930 |
| Itaconic acid | 0.959 |
| a-Ketobutyric acid | 0.907 |
| Amines | |
| Putrescine | 0.968 |
| Phenolic | |
| 2-Hydroxybenzoic acid | 0.802 |
| 4-Hydroxybenzoic acid | 0.905 |
| Polymer | |
| a-Cyclodextrin | 0.886 |
|
| |
| PC2 | r |
|
| |
| Amino acids | |
| L-Asparagine | 0.805 |
| Carbohydrates | |
| N-Acetyl-D-glucosamine | 0.804 |