Research Article
Selenium-Chitosan Treatment Affects Amino Acid Content and Volatile Components of Red Globe Grape during Storage
Table 2
Volatile components of grape with Se+CS treatment during storage.
| Volatile components | Relative content (%) | Storage 0 d | Storage 15 d | Storage 30 d | Storage 45 d | Storage 60 d | Control | Se | CS | Se+CS | Control | Se | CS | Se+CS | Control | Se | CS | Se+CS | Control | Se | CS | Se+CS |
| Pentanal | — | 0.08 | 0.14 | — | 0.13 | 0.09 | — | — | 0.12 | — | 0.01 | — | — | — | — | — | — | Hexanal | 36.23 | 31.20 | 33.19 | 30.26 | 31.99 | 21.60 | 31.99 | 26.05 | 34.98 | 30.95 | 37.82 | 36.62 | 39.63 | 33.43 | 38.06 | 41.30 | 41.92 | Heptanal | 0.17 | 0.33 | 0.14 | — | 0.19 | 0.14 | — | — | 0.12 | 0.20 | 0.24 | 0.14 | 0.21 | — | 0.24 | 0.16 | 0.19 | Octanal | 0.29 | 0.55 | 0.29 | 0.21 | 0.53 | 0.21 | 0.18 | 0.30 | 0.18 | 0.42 | 0.45 | 0.37 | 0.46 | 0.51 | 0.59 | 0.32 | 0.39 | Nonanal | 0.42 | 0.39 | 0.46 | 0.49 | 1.03 | 0.51 | 0.34 | 0.53 | 0.31 | 0.47 | 0.77 | 0.58 | 0.58 | 0.57 | 1.08 | 0.37 | 0.44 | Decanal | 0.11 | 0.31 | 0.08 | 0.11 | 0.17 | 0.08 | — | 0.04 | 0.06 | — | — | 0.04 | — | 0.14 | 0.10 | 0.02 | 0.02 | 2-Hexenol | 0.34 | 0.13 | 0.18 | 0.28 | 0.12 | 0.32 | 0.15 | 0.71 | 0.31 | 1.05 | 1.25 | 0.81 | 1.03 | 0.21 | 0.44 | 0.85 | 0.48 | Benzaldehyde | — | — | 0.14 | 0.21 | — | 0.95 | 0.38 | 0.84 | 0.85 | — | — | — | — | 0.24 | 1.22 | — | 1.15 | β-Cyclocitral | — | — | 0.05 | 0.04 | — | — | — | 0.03 | 0.05 | — | 0.06 | — | — | — | — | — | — | Trans-2-hexenal | 54.33 | 56.27 | 56.73 | 57.15 | 57.95 | 50.40 | 56.05 | 55.49 | 56.37 | 46.85 | 49.97 | 50.94 | 54.13 | 46.60 | 48.12 | 49.87 | 50.83 | 2,4-Bis(1,1-dimethylethyl)-5-methyl-phenol | 0.04 | 0.10 | 0.13 | — | — | 0.05 | — | — | — | — | — | — | — | — | — | — | — | 2,6-Di-tert-butyl-4-methylphenol | — | — | — | — | — | — | — | — | — | 0.04 | — | — | 0.05 | 0.04 | 0.06 | 0.02 | 0.02 | Pentanoate | — | — | — | 0.11 | — | 1.59 | — | — | — | — | 0.01 | 0.03 | — | — | — | 1.54 | 0.01 | Acetic acid | 0.05 | 0.02 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | Propanoic acid | 0.04 | — | 0.02 | — | — | — | — | 1.11 | — | — | — | 1.12 | 0.27 | — | 1.34 | 0.01 | 0.14 | 3-Aminoisobutyric acid | — | — | — | — | 1.18 | 0.01 | 1.35 | 0.04 | — | 0.42 | — | — | — | — | — | 0.01 | 0.93 | n-Hexanol | 6.21 | 5.00 | 6.90 | 7.55 | 4.17 | 11.04 | 3.97 | 11.65 | 2.00 | 9.00 | 4.00 | 9.00 | 2.87 | 5.55 | 3.00 | 3.06 | 1.00 | 2-Aminoethanol | 0.01 | — | — | — | — | 2.62 | 1.74 | 1.66 | 1.34 | 1.90 | 0.03 | — | — | — | — | — | — | α-Cadinol | — | — | — | — | — | — | 0.04 | — | — | — | 0.02 | 0.03 | — | — | — | — | — | Cis-4-methylcyclohexanol | — | — | — | — | — | — | — | — | — | — | — | — | 0.11 | 0.10 | 0.08 | 0.09 | — | Cis-2-hexen-1-ol | — | 0.00 | 0.31 | 0.29 | — | — | — | — | — | — | — | — | — | — | — | — | — | Trans-2-hexen-1-ol | — | 2.17 | — | — | — | 1.32 | 0.70 | 0.50 | — | — | — | — | — | 8.14 | 0.81 | — | — | Trans-2-methylcyclopentanol | — | 0.00 | — | — | 0.06 | — | — | 0.04 | — | — | — | — | — | 0.16 | — | — | — | 3,7-Dimethyl-2,6-octadienyl-3-ol | — | 0.03 | — | — | 0.02 | — | — | 0.02 | 0.04 | — | — | — | — | — | — | — | — | (-)-Limonene | — | — | 0.42 | — | — | — | — | — | — | — | 0.23 | — | 0.20 | 0.35 | 0.29 | 0.21 | 0.22 | 1-Caryophyllene | — | — | — | — | — | 0.36 | 0.25 | — | 0.11 | 0.43 | 0.91 | — | — | — | — | — | — | β-Caryophyllene | — | — | — | — | — | — | 0.37 | — | 0.07 | — | 0.58 | — | — | — | — | — | — | (+)-Limonene | 0.21 | 0.89 | — | 0.65 | 0.43 | — | 0.27 | 0.24 | 0.32 | 0.75 | — | — | — | — | — | — | — | Camphor | 0.03 | 0.04 | 0.07 | 0.06 | 0.07 | 0.03 | — | — | 0.05 | — | — | — | 0.04 | — | 0.05 | 0.04 | 0.03 | β-Damascone | 0.06 | 0.21 | 0.17 | — | 0.34 | 0.11 | — | 0.11 | 0.17 | 0.05 | 0.25 | 0.14 | 0.28 | 0.20 | 0.02 | 0.12 | 0.21 | Methylheptenone | — | 0.33 | 0.50 | 0.44 | 0.14 | 0.31 | — | 0.24 | 0.31 | — | — | — | — | — | — | — | — | 2,2,6-Trimethylcyclohexanone | — | — | — | — | 0.03 | — | — | — | 0.02 | 0.01 | 0.04 | 0.03 | 0.02 | — | — | 0.01 | 0.02 | Isoamyl isobutyrate | — | — | — | — | — | 1.33 | 0.24 | 0.30 | 0.26 | — | — | — | — | — | — | — | — | Bornyl isovalerate | 0.01 | — | 0.02 | — | 0.03 | 0.02 | — | — | 0.01 | — | — | — | 0.03 | — | 0.01 | 0.01 | — | Camphor | — | — | — | — | — | — | 0.04 | 0.04 | — | — | — | — | — | 0.04 | — | — | — | 2-Ethyl-1,3-hexanediol | — | — | — | — | — | — | — | — | — | 0.07 | 0.10 | 0.10 | 0.06 | 0.10 | 0.07 | 0.04 | 0.10 | Toluene | — | 0.03 | 0.05 | — | 0.05 | 0.02 | 0.04 | 0.02 | — | 0.06 | — | — | 0.01 | — | — | 0.02 | 0.03 | Hydroxyurea | 1.44 | — | — | 1.62 | 1.34 | 1.82 | — | — | 1.68 | 1.94 | — | — | — | — | 1.70 | 1.86 | 1.84 | Semicarbazide | — | 0.22 | — | — | 0.02 | 2.53 | 1.64 | — | 0.04 | 1.48 | 1.81 | — | — | — | — | — | — | 2-Hydroxypropionamide | — | 1.35 | — | — | — | 2.55 | — | — | 0.21 | 3.21 | 1.02 | — | — | 3.44 | 2.54 | — | — | Aldehydes | 91.90 | 89.26 | 91.40 | 88.76 | 92.12 | 74.29 | 89.10 | 84.00 | 93.36 | 79.94 | 90.57 | 89.50 | 96.04 | 81.70 | 89.86 | 92.90 | 95.43 | Alcohols | 6.22 | 7.21 | 7.21 | 7.84 | 4.25 | 14.98 | 6.44 | 13.88 | 3.39 | 10.91 | 4.06 | 9.03 | 2.97 | 13.96 | 3.90 | 3.14 | 1.00 | Phenols | 0.04 | 0.10 | 0.13 | — | — | 0.05 | — | — | — | 0.04 | — | — | 0.05 | 0.04 | 0.06 | 0.02 | 0.02 | Acids | 0.09 | 0.02 | 0.02 | 0.11 | 1.18 | 1.60 | 1.35 | 1.15 | — | 0.42 | 0.01 | 1.15 | 0.27 | — | 1.34 | 1.56 | 1.08 | Alkenes | 0.21 | 0.89 | 0.42 | 0.65 | 0.43 | 0.36 | 0.89 | 0.24 | 0.50 | 1.19 | 1.72 | — | 0.20 | 0.35 | 0.29 | 0.21 | 0.22 | Ketones | 0.09 | 0.58 | 0.74 | 0.49 | 0.58 | 0.45 | — | 0.36 | 0.55 | 0.06 | 0.29 | 0.17 | 0.34 | 0.20 | 0.07 | 0.18 | 0.27 | Lipids | 0.01 | — | 0.02 | — | 0.03 | 1.35 | 0.24 | 0.30 | 0.27 | — | — | — | 0.03 | — | 0.01 | 0.01 | — | Other | 1.44 | 1.60 | 0.05 | 1.62 | 1.41 | 6.92 | 1.71 | 0.07 | 1.94 | 6.77 | 2.93 | 0.10 | 0.07 | 3.59 | 4.31 | 1.92 | 1.97 |
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