Table 1.
Identification of discriminant volatile compounds from PLS‐DA in different FVFs
| Compounds name | Group | RT (min) | VIP |
|---|---|---|---|
| 2,3‐Butanedione | Ketone | 4.0802 | 4.29214 |
| (E)‐2‐Hexenal | Alcohol | 9.82876 | 6.8762 |
| Acetic acid, hexyl ester | Ester | 11.6959 | 3.27731 |
| Formic acid, hexyl ester | Ester | 13.8223 | 2.73747 |
| Acetic acid | Acid | 16.2241 | 3.29003 |
| 3,7‐dimethyl‐1,6‐Octadien‐3‐ol | Alcohol | 18.8595 | 1.86479 |
| 3‐methyl‐Benzaldehyde | Aldehyde | 20.9403 | 2.92149 |
| Acetoin | Ketone | 11.698 | 5.23835 |
FVFs: fruit and vegetable juices; PLS‐DA: partial least squares discriminant analysis; VIP: variable importance in the projection.