Table 4.
Main carbon sources and corresponding PC loadings in different treatments.
| Main carbon sources types | PC1 | Main carbon sources types | PC2 |
|---|---|---|---|
| Carbohydrates | Carbohydrates | ||
| D-Mannitol | 0.892 | β-Methyl-D-glucoside | 0.924 |
| Glucose-1-phosphate | 0.880 | I-erythritol | −0.795 |
| D, L-a-glycerol | −0.855 | D-Galactonic acid y-lactone | 0.647 |
| a-D-Lactose | 0.720 | Carboxylic acids | |
| Amino acids | y-Hydroxybutyric acid | −0.670 | |
| L-Threonine | −0.832 | Phenolic acids | |
| L-Phenylalanine | −0.800 | 2-Hydroxybenzoic acid | 0.602 |
| L-Asparagine | 0.763 | ||
| L-Serine | 0.712 | ||
| Carboxylic acids | |||
| a-Ketobutyric acid | −0.827 | ||
| Pyruvic acid methyl ester | 0.784 | ||
| Itaconic acid | 0.755 | ||
| Polymers | |||
| Glycogen | −0.856 | ||
| 80Tween 80 | 0.769 | ||
| a-Cyclodextrin | 0.663 | ||
| Amines | |||
| Phenylethyl-amine | −0.795 | ||
| Putrescine | 0.696 | ||
| Phenolic acids | |||
| 2-Hydroxybenzoic acid | −0.695 | ||
| 4-Hydroxybenzoic acid | 0.672 |