Table 4.
Principal component loadings for the four principal components explaining more than 80% of the variance.
| Compound | PC1 (58.32%) | PC2 (10.90%) | PC3 (7.20%) | PC4 (5.89%) |
|---|---|---|---|---|
| Benzaldehyde | -0.158 | -0.245 | -0.118 | 0.064 |
| Benzeneacetaldehyde | -0.113 | -0.227 | -0.156 | 0.079 |
| Methyl benzoate | -0.328 | -0.150 | 0.089 | -0.659 |
| Cinnamaldehyde | -0.043 | -0.151 | 0.153 | -0.062 |
| Cinnamyl alcohol | -0.226 | -0.469 | 0.589 | -0.081 |
| Methyl cinnamate | -0.111 | -0.147 | -0.170 | 0.109 |
| Acetophenone | -0.487 | 0.316 | -0.395 | -0.396 |
| 3,5-Dimethoxytoluene | -0.271 | -0.042 | 0.147 | 0.060 |
| Indole | -0.090 | -0.284 | -0.099 | 0.061 |
| 1-Hexanol, 2-ethyl- | -0.191 | -0.367 | -0.381 | 0.214 |
| Nonanal | -0.059 | -0.169 | -0.176 | 0.063 |
| a,β-Ocimene | -0.537 | 0.277 | 0.235 | 0.423 |
| β-Myrcene | -0.310 | 0.252 | 0.034 | 0.187 |
| α-Farnesene | -0.061 | 0.003 | -0.065 | 0.155 |
The variance explained by each component is indicated in parentheses. Only compounds with a loading ≥| 0.15| in at least one component are shown. Loadings with highest correlation to individual components are in boldface.