TABLE 2.
Distribution of the 233 differentially accumulated metabolites identified among different k-means clusters.
| Subclass | S1 | S2 | S3 | S4 | S5 | S6 | S7 | S8 | S9 | S10 | S11 | S12 | Total |
| Compounds | 26 | 6 | 59 | 10 | 5 | 10 | 7 | 17 | 18 | 20 | 32 | 23 | 233 |
| Phenolic acids | 7 | 1 | 10 | 3 | 2 | 3 | 3 | 2 | 7 | 1 | 15 | 16 | 70 |
| Lipids | 7 | 2 | 23 | 2 | 1 | 4 | 0 | 0 | 0 | 5 | 0 | 2 | 46 |
| Amino acids and derivatives | 6 | 0 | 13 | 3 | 0 | 0 | 0 | 6 | 2 | 10 | 2 | 3 | 45 |
| Organic acids | 1 | 3 | 4 | 1 | 0 | 0 | 0 | 3 | 2 | 1 | 7 | 2 | 24 |
| Saccharides and alcohols | 2 | 0 | 4 | 0 | 0 | 0 | 2 | 1 | 1 | 0 | 8 | 0 | 18 |
| Nucleotides and derivatives | 2 | 0 | 4 | 1 | 2 | 2 | 1 | 4 | 6 | 3 | 0 | 0 | 25 |
| Vitamin | 1 | 0 | 1 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 5 |