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Classification of VOCs in fruit and cereal vinegars.
| VOC groups | VOC numbers | |
|---|---|---|
| Fruit vinegars | Cereal vinegars | |
| Acids | 25 | 15 |
| Alcohols | 22 | 14 |
| Aldehydes | 17 | 29 |
| Esters | 53 | 32 |
| Ketones | 20 | 13 |
| Lactones | 10 | 4 |
| Phenols | 11 | 8 |
| Pyrazines | 1 | 6 |
| Furans | 1 | 3 |
| Total | 160 | 124 |
