Concentration of free and bound compounds in Palomino fino grape must.
| Free fraction (μg/L) | Bound fraction (μg/L) | |
|---|---|---|
| aCompounds tentatively identified on the basis of their EI and Wiley Mass Spectra. | ||
| bND: not detected. | ||
| Alcohols | ||
| Isobutanol | 183 ± 31 | 202 ± 5 |
| 3-Pentanol | 5 ± 1 | 9 ± 1 |
| 2-Pentanol | 15 ± 2 | ND |
| 3-Methyl-2-butanol | 267 ± 14 | 1324 ± 80 |
| 1-Butanol | 157 ± 31 | 5732 ± 786 |
| Isoamyl | 1288 ± 53 | 374 ± 28 |
| 3-Methyl-3-butenol | 69 ± 11 | 409 ± 26 |
| 3-Methyl-2-butenol | 11 ± 0 | 341 ± 27 |
| 1-Hexanol | 560 ± 4 | 60 ± 7 |
| trans-3-Hexenol | 6 ± 1 | ND |
| cis-3-Hexenol | 126 ± 14 | 37 ± 5 |
| trans-2-Hexenola | 331 ± 35 | 16 ± 2 |
| 1-Octen-3-ol | 2 ± 0 | ND |
| 1-Heptanol | 8 ± 1 | 32 ± 3 |
| 2-Ethyl-1-hexanol | 37 ±1 | 18 ± 1 |
| 3-Ethyl-4-methylpentanola | NDb | 8 ± 2 |
| 1-Octanol | 2 ± 0 | 3 ± 1 |
| Benzyl | 59 ± 13 | 3429 ± 409 |
| 2-Phenylethanol | 230 ± 59 | 296 ± 36 |
| Total | 3356 ± 271 | 12290 ± 1419 |
| Terpenyl compounds | ||
| trans-Furanic linalool oxide | 1 ± 0 | 7 ± 1 |
| cis-Furanic linalool oxide | 2 ± 0 | 4 ± 1 |
| Linalool | 1 ± 0 | 9 ± 0 |
| α-Terpineol | 3 ± 1 | 5 ± 2 |
| β-Citronellol | 2 ± 1 | 2 ± 0 |
| Nerol | 1 ± 0 | 4 ± 0 |
| Geraniol | 75 ± 1 | 28 ± 1 |
| 2,6-Dimethyl-3,7-octadiene-2,6-diola | 14 ± 3 | 11 ± 5 |
| cis-Isoeugenola | ND | 6 ± 1 |
| 3,7-Dimethyl-1,7-octanediola | ND | 4 ± 2 |
| (E)-2,6-Dimethyl-2,7- octadiene-1,6-diola | ND | 16 ± 0 |
| (Z)-2,6-Dimethyl-2,7- octadiene-1,6-diola | ND | 63 ± 18 |
| Geranic acid | 16 ± 6 | 18 ± 1 |
| Total | 115 ± 12 | 177 ± 32 |
| Acids | ||
| Hexanoic | 119 ± 15 | 86 ± 1 |
| 2-Hexenoic | 48 ± 5 | ND |
| Octanoic | 68 ± 16 | 58 ± 14 |
| Nonanoic | 24 ± 6 | 10 ± 2 |
| Total | 259 ± 42 | 154 ± 17 |
| Others | ||
| 2-Pentanone | 42 ± 1 | 62 ± 8 |
| 2-Hexenal | 12 ± 2 | ND |
| 2-Nonanone | 4 ± 1 | ND |
| Benzaldehyde | 6 ± 2 | 70 ± 10 |
| 3,5-Dimethyl benzaldehyde | 9 ± 2 | ND |
| Total | 73 ± 8 | 132 ± 18 |