Table 3 A comparative analysis of the aroma potency of compounds with flavour dilution (FD) values ≥16 in Vitex doniana sweet
From: Identification of the aroma compounds in Vitex doniana sweet: free and bound odorants
No | Compounds | Conc.(µg kg−1fresh fruit) of fractions | Threshold (µg kg−1 of H2O) [ref.] | OAVs | ||
|---|---|---|---|---|---|---|
Free | Bound | Free | Bound | |||
1 | Ethyl-2-methylpropionate | 315 | Nd | 0.1 [4] | 3150 | Nd |
2 | Methylbutanoate | 205 | <10 | 28 [4] | 7 | <1 |
3 | Ethylbutanoate | 604 | Nd | 5 x 10−2 [4] | 120,800 | Nd |
4 | Acetophenone | 42 | 437 | 65 [5] | <1 | 7 |
5 | Limonene | 127 | Nd | 210 [1] | <1 | Nd |
6 | Butylbutanoate | 65 | Nd | 100 [2] | <1 | Nd |
7 | (E)-β-Ocimene | <10 | Nd | – | Nd | Nd |
8 | Hexyl acetate | 522 | Nd | 2 [4] | 261 | Nd |
9 | (Z)-Rose oxide | 40 | Nd | 0.5 [1] | 80 | Nd |
10 | Benzaldehyde | <10 | 35 | 350 [5] | <1 | <1 |
11 | Linalool | 5121 | 506 | 15 [3] | 341 | 34 |
12 | 4-Hydroxy-β-ionol | Nd | 162 | – | Nd | Nd |
13 | Geraniol | 79 | 341 | 40 [4] | 2 | 9 |
14 | β-Damascenone | <10 | 26 | 2 x 10−3 [4] | 5000 | 10,500 |
15 | 2-Phenylethanol | 2457 | 97 | 1000 [4] | 3 | <1 |
16 | 4-Hydroxy-2,5-dimethyl-3(2H)-furanone | 50 | 326 | 40 [4] | 1 | 8 |
17 | Ethyl cinnamate | 715 | Nd | – | Nd | Nd |