Table 3.
Triangle test results of aroma-active compound (OAV > 1) by omission experiments.
| No. | Compounds a | N b | Significant c |
|---|---|---|---|
| 1 | 2,3-butanedione | 12 | *** |
| 2 | dimethyl trisulfide | 11 | *** |
| 3 | acetic acid | 12 | *** |
| 4 | 3-(methylthio)propionaldehyde | 7 | - |
| 5 | decanal | 7 | - |
| 6 | acetylpyrazine | 11 | *** |
| 7 | benzeneacetaldehyde | 7 | - |
| 8 | 3-methylbutanoic acid | 6 | - |
| 9 | citronellol | 5 | - |
| 10 | 3-methylvaleric acid | 10 | ** |
| 11 | 4-methylvaleric acid | 10 | ** |
| 12 | β-damascenone | 7 | - |
| 13 | 2-methoxyphenol | 11 | *** |
| 14 | phenethyl alcohol | 7 | - |
| 15 | maltol | 10 | ** |
| 16 | γ-nonanolactone | 9 | * |
| 17 | p-cresol | 6 | - |
| 18 | eugenol | 9 | * |
| 19 | methyl palmitate | 4 | - |
| 20 | phenylacetic acid | 10 | ** |
a Key aroma-active compounds with OAV > 1. b Number of correct recognitions from 12 assessors. c Significance: *, significant (α ≤ 0.05); **, highly significant (α ≤ 0.01); ***, very highly significant (α ≤ 0.001); -, nonsignificant.