Table 1.
Flavor compounds in the FR and CR chicken.
| RTa (min) | Component | Relative content (%) | |||
|---|---|---|---|---|---|
| C-FR | C-CR | Q-FR | Q-CR | ||
| 2.083 | Ethyl alcohol | 0.26 ± 0.004 | 0.09 ± 0.002 | 2 ± 0.017 | 0.04 ± 0.001 |
| 3.025 | Ethyl acetate | 0.14±0.0003∗∗ | 0.01 ± 0.0001 | 0.26 ± 0.001 | 0.21 ± 0.002 |
| 4.467 | Pentanal | 6.14 ± 0.012 | 4.73 ± 0.014 | 4.49 ± 0.016∗ | 1.96 ± 0.012 |
| 6.633 | 1-Pentanol | 1.34 ± 0.012 | 1.13 ± 0.011 | 0.71 ± 0.007 | 0.45 ± 0.004 |
| 7.808 | Hexanal | 30.46 ± 0.029 | 28.42 ± 0.035 | 28.49 ± 0.050∗ | 16.58 ± 0.042 |
| 9.633 | (E)-2-Hexenal | 0.24 ± 0.002 | 0.25 ± 0.001 | 0.35 ± 0.002 | - |
| 10.2 | 1-Hexanol | 0.44 ± 0.0005 | 0.42 ± 0.004 | 0.21 ± 0.002 | - |
| 10.858 | 4-Hedroxy-4-methyl-6-phenyltetrahydropyran-2-one | - | - | 0.62 ± 0.003 | - |
| 10.867 | 2-Heptanone | 0.79 ± 0.002∗∗ | 0.15 ± 0.002 | - | 0.26 ± 0.002 |
| 11.275 | Heptanal | 4.22 ± 0.013 | 3.27 ± 0.013 | 1.95 ± 0.004 | 1.50 ± 0.005 |
| 11.658 | Oxime-, methoxy-phenyl- | 1.04 ± 0.001∗ | 0.36 ± 0.004 | 0.89 ± 0.002 | 1.20 ± 0.009 |
| 11.95 | Butyrolactone | 0.02 ± 0.0002 | 0.06 ± 0.0004 | 0.07 ± 0.0004 | 0.02 ± 0.0003 |
| 13.083 | (Z)-2-Heptenal | 2.22 ± 0.012 | 1.21 ± 0.006 | 0.65 ± 0.005 | 0.30 ± 0.002 |
| 13.233 | Benzaldehyde | 0.92 ± 0.001 | 1.05 ± 0.002 | 1.58 ± 0.005 | 1.50 ± 0.003 |
| 13.517 | 1-Heptanol | 1.19 ± 0.006 | 0.74 ± 0.005 | 0.41 ± 0.0007 | 0.46 ± 0.003 |
| 13.717 | 1-Octen-3-one | 0.17 ± 0.001 | 0.98 ± 0.015 | 0.11 ± 0.0004 | 0.08 ± 0.001 |
| 13.825 | 1-Octen-3-ol | 2.96 ± 0.007 | 2.64 ± 0.010 | 1.67 ± 0.002 | 0.81 ± 0.008 |
| 13.967 | 2,3-Octanedione | - | - | 2.13 ± 0.005∗∗ | 0.97 ± 0.002 |
| 14.075 | 2-Pentylfuran | 3.33 ± 0.010∗∗ | 0.42 ± 0.004 | - | - |
| 14.083 | β-myrcene | 4.27 ± 0.025 | - | 3.25 ± 0.004∗ | 0.74 ± 0.005 |
| 14.375 | Ethyl hexanoate | 0.38 ± 0.003 | - | 0.36 ± 0.170 | - |
| 14.525 | Octanal | 3.50 ± 0.011 | 1.99 ± 0.017 | 2.00 ± 0.004 | 1.78 ± 0.009 |
| 14.775 | (E,E)-2,4-Heptadienal | 0.19 ± 0.002 | 0.03 ± 0.0003 | 0.09 ± 0.001 | - |
| 15.325 | D-limonene | 9.77 ± 0.059 | 5.67 ± 0.054 | 15.19 ± 0.030∗ | 8.67 ± 0.027 |
| 15.767 | (Z)-3,7-Dimethyl-1,3,6-octatriene | 0.09 ± 0.001 | - | 0.11 ± 0.0002 | - |
| 16.125 | (E)-2-Octenal | 1.77 ± 0.010 | 0.86 ± 0.007 | 0.72 ± 0.001∗∗ | 0.23 ± 0.002 |
| 16.375 | (E)-2-Octen-1-ol | 0.50 ± 0.001 | 0.84 ± 0.008 | 0.17 ± 0.001 | 0.14 ± 0.0003 |
| 16.475 | 1-Octanol | 1.56 ± 0.007 | 0.93 ± 0.008 | 0.51 ± 0.002 | 0.65 ± 0.003 |
| 16.817 | 3-Octanone, 2-methyl- | 1.07 ± 0.012 | 2.10 ± 0.003 | - | - |
| 17.133 | 2-Pentyl butyrate | 0.47 ± 0.0007 | - | 0.22 ± 0.0004∗ | 0.09 ± 0.0009 |
| 17.425 | Nonanal | 3.41 ± 0.009 | 2.28 ± 0.021 | 1.93 ± 0.007 | 2.21 ± 0.008 |
| 18.333 | 1-Eicosanol | 0.12 ± 0.001 | - | - | - |
| 18.708 | 2-Undecenal | 0.07 ± 0.001 | 0.12 ± 0.001 | 0.23 ± 0.001 | 0.20 ± 0.0003 |
| 18.892 | (E)-2-Nonenal | 0.54 ± 0.004 | 0.29 ± 0.001 | 0.27 ± 0.001 | 0.17 ± 0.001 |
| 19.017 | 4-Ethylbenzaldehyde | 0.15 ± 0.0002 | - | - | - |
| 19.783 | Cis-4-decenal | 0.09 ± 0.0001 | 0.05 ± 0.0005 | 0.05 ± 0.0004 | 0.05 ± 0.0002 |
| 20.067 | Decanal | 0.22 ± 0.001 | 0.23 ± 0.001 | 0.21 ± 0.0004 | 0.18 ± 0.0006 |
| 20.333 | (E,E)-2,4-Nonadienal | 0.30 ± 0.003 | 0.09 ± 0.0004 | 0.05 ± 0.0001 | 0.04 ± 0.0003 |
| 20.775 | 2-Methyl-1-indanol | 0.05 ± 0.0006 | 0.02±5.77E-05 | 0.01±5.77E-05 | 0.03 ± 0.0004 |
| 21.067 | (S)-2-Cyclohexen-1-one, 2-methyl-5-(1-methylethenyl)- | 0.09 ± 0.0005 | 0.03 ± 0.0002 | 0.09 ± 0.0002 | 0.02 ± 0.0004 |
| 21.450 | (E)-2-Decenal | 0.96 ± 0.008 | 0.28 ± 0.002 | 0.32 ± 0.001 | 0.29 ± 0.001 |
| 22.442 | Pentadecanal | 0.04 ± 0.001 | 0.02 ± 0.0002 | 0.02 ± 0.002 | 0.40 ± 0.003 |
| 22.692 | (E,E)-2,4-Decadienal | 0.43 ± 0.003 | 0.14 ± 0.001 | 0.30 ± 0.002 | 0.18 ± 0.0004 |
| 23.133 | 3-Nonen-2-one | 0.06 ± 0.0005 | 0.05 ± 0.0002 | 0.05 ± 0.0002 | 0.03 ± 0.0002 |
| 23.617 | 2-Undecenal | 0.44 ± 0.004 | 0.13 ± 0.001 | 0.23 ± 0.001 | 0.20 ± 0.0003 |
| 24.475 | Dodecanal | 0.06 ± 0.0001 | 0.05 ± 0.0003 | 0.07 ± 0.00 | 0.07 ± 0.0005 |
| 24.848 | Benzo[b]thiophene, 2,5-dimethyl- | 0.10 ± 0.0007 | 0.07 ± 0.0006 | 0.13 ± 0.0008 | 0.09 ± 0.0005 |
| 25.642 | 1-Tridecanol | 0.06 ± 5.77E-05 | 0.05 ± 0.0003 | 0.03 ± 0.0002 | 0.12 ± 0.001 |
| 25.783 | Heptyl hexanoate | 0.02 ± 0.00 | 0.01 ± 0.0002 | 0.04 ± 5.77E-05 | 0.02 ± 0.0002 |
| 25.942 | 1-Tetradecanol | 0.02 ± 0.0002 | - | 0.03 ± 0.0002 | - |
| 26.167 | Butylated hydroxytoluene | 0.15 ± 0.001 | 0.06 ± 0.0003 | - | - |
| 27.683 | Heneicosane | 1.08 ± 0.099 | 1.07 ± 0.403 | 2.35 ± 0.220 | 5.14 ± 2.11 |
| 27.925 | Tetradecanal | 0.07 ± 0.0002 | 0.14 ± 0.0005 | 0.14 ± 0.0008 | 0.23 ± 0.002 |
| 28.367 | Decanoic acid decyl ester | 0.11 ± 0.001 | 0.04 ± 0.0002 | 0.25 ± 0.001 | - |
| 30.858 | Hexadecanal | 0.09 ± 0.0003 | 0.04 ± 0.0004 | 0.10 ± 0.001 | 0.10 ± 0.001 |
| 31.442 | Diisobutyl phthalate | 1.76 ± 0.006 | 1.77 ± 0.005 | 5.21 ± 0.006 | 3.73 ± 0.008 |
| 35.142 | Oleic acid | 0.09 ± 0.0008 | 0.03 ± 0.0003 | 0.15 ± 0.001 | - |
a RT, retention time.
Asterisk (∗) represents a significant difference in the amount of volatile compounds between the FR and CR chicken breast meats within the same breed: ∗P < 0.05; ∗∗P < 0.01.