Table 6.
Volatile compounds of pig liver pâté elaborated with healthy oils and natural antioxidants (mean of five replicates)
| pg/g sample | Days | Batches | Sig. | |||
|---|---|---|---|---|---|---|
| CON | BRE | CLE | PSE | |||
| Hexanal | 0 | 82.85 ± 19.64bβ | 71.16 ± 10.68abβ | 51.97 ± 2.23aα | 72.18 ± 16.58abβ | * |
| 160 | 44.84 ± 5.19aα | 40.67 ± 7.85aα | 41.30 ± 8.78aα | 39.95 ± 6.27aα | n.s. | |
| Sig. | *** | *** | n.s. | *** | ||
| Heptanal | 0 | 2.36 ± 0.62 | 2.33 ± 0.49 | 1.91 ± 0.24α | 2.54 ± 0.54 | n.s. |
| 160 | 2.62 ± 0.52 | 2.98 ± 1.22 | 3.28 ± 0.96β | 2.54 ± 0.33 | n.s. | |
| Sig. | n.s. | n.s. | * | n.s. | ||
| Pentanal | 0 | 0.00 ± 0.00α | 0.00 ± 0.00α | 0.00 ± 0.00α | 0.00 ± 0.00α | n.s. |
| 160 | 133.65 ± 29.44β | 139.01 ± 26.14β | 156.23 ± 22.17β | 140.27 ± 17.97β | n.s. | |
| Sig. | *** | *** | *** | *** | ||
| 3-Methil-butanal | 0 | 119.16 ± 38.10β | 123.61 ± 8.07β | 145.70 ± 23.15 | 109.22 ± 25.12β | n.s. |
| 160 | 78.68 ± 10.11aα | 79.30 ± 17.14aα | 132.99 ± 25.58b | 60.09 ± 9.89aα | *** | |
| Sig. | * | ** | n.s. | ** | ||
Results are expressed as mean value ± standard deviation
Batches: CON control, BRE beer residue extract, CLE chestnut leave extract, PSE peanut skin extract
a,bMean values in the same row (corresponding to the same storage time) not followed by a common letter differ significantly (P < 0.05)
α,γMean values in the sαme column (corresponding to the same batch) for each fatty acid or sum of fatty acid not followed by a common letter differ significantly (P < 0.05)
Sig: significance: *** (P < 0.001), ** (P < 0.01), * (P < 0.05), n.s. (not significant)