Table 1 Relative abundance of VOC families across the six peach varieties after 36 h at 22 ˚C following 0 or 7 days of cold storage.
VOC classes | DAY 0 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
S (P)a | BB (N) | C (N) | BT (N) | SR (P) | RS (P) | |||||||
Acetate ester | 5.81 ± 3.93 | ab | 3.02 ± 3.63 | ab | 0.00 ± 0.00* | a | 0.00 ± 0.00 | a | 14.08 ± 5.72 | b | 9.91 ± 8.04 | ab |
Non-acetate ester | 8.66 ± 3.93 | ab | 6.40 ± 3.63 | ab | 14.03 ± 0.00 | ab | 8.40 ± 0.00 | ab | 22.92 ± 5.72 | b | 2.70 ± 8.04 | a |
Alcohol | 0.93 ± 0.87 | ns | 4.55 ± 3.24 | ns | 5.09 ± 6.03 | ns | 2.14 ± 1.98 | ns | 0.00 ± 0.00 | ns | 0.00 ± 0.00 | ns |
Aldehyde | 0.00 ± 0.00* | ns | 0.00 ± 0.00 | ns | 0.86 ± 0.74 | ns | 0.00 ± 0.00 | ns | 2.51 ± 2.21 | ns | 0.00 ± 0.00 | ns |
Alkane | 29.38 ± 19.72 | ab | 9.66 ± 2.01 | b | 51.59 ± 9.21 | a | 24.30 ± 19.86 | ab | 11.19 ± 8.10 | b | 23.36 ± 5.64* | ab |
Alkene | 9.08 ± 12.26 | ns | 0.06 ± 0.06 | ns | 0.00 ± 0.00 | ns | 0.00 ± 0.00 | ns | 0.00 ± 0.00 | ns | 1.66 ± 1.47 | ns |
Alkyne | 0.00 ± 0.00 | ns | 0.00 ± 0.00 | ns | 0.00 ± 0.00 | ns | 0.00 ± 0.00 | ns | 0.80 ± 0.77* | ns | 0.00 ± 0.00 | ns |
Aromatic | 2.48 ± 1.84 | ns | 0.00 ± 0.00* | ns | 1.90 ± 2.29 | ns | 0.00 ± 0.00 | ns | 0.92 ± 0.79 | ns | 0.83 ± 0.73 | ns |
Cycloalkane | 1.28 ± 0.90 | ns | 2.63 ± 2.07 | ns | 7.89 ± 3.08 | ns | 27.06 ± 21.48 | ns | 1.39 ± 1.05 | ns | 1.97 ± 0.68 | ns |
Ketone | 0.69 ± 0.65* | ab | 0.01 ± 0.00 | b | 9.64 ± 2.95 | a | 2.32 ± 2.01 | ab | 4.51 ± 4.30 | ab | 7.00 ± 10.65 | ab |
Lactone | 2.33 ± 1.22 | ab | 7.41 ± 12.51 | ab | 0.00 ± 0.00 | b | 0.00 ± 0.00 | b | 5.66 ± 3.45 | ab | 22.80 ± 10.55 | a |
Terpene | 35.94 ± 18.47 | bc | 66.54 ± 8.42 | a | 9.06 ± 6.53 | c | 35.86 ± 6.61 | bc | 36.09 ± 4.89 | b | 29.83 ± 7.70 | bc |
VOC classes | DAY 7 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
S (P) | BB (N) | C (N) | BT (N) | SR (P) | RS (P) | |||||||
Acetate ester | 14.19 ± 1.36 | ab | 4.41 ± 4.22 | ab | 1.96 ± 0.43 | ab | 1.94 ± 2.05 | a | 24.37 ± 3.31 | b | 5.28 ± 5.28 | ab |
Non-acetate ester | 47.35 ± 1.36 | ns | 15.89 ± 4.22 | ns | 13.96 ± 0.43 | ns | 19.76 ± 2.05 | ns | 23.95 ± 3.31 | ns | 27.43 ± 5.28 | ns |
Alcohol | 3.22 ± 2.14 | ns | 6.86 ± 5.18 | ns | 0.70 ± 1.09 | ns | 1.95 ± 2.27 | ns | 0.01 ± 0.00 | ns | 21.78 ± 24.19 | ns |
Aldehyde | 12.86 ± 4.88 | a | 0.00 ± 0.00 | b | 0.74 ± 0.70 | ab | 2.22 ± 1.92 | ab | 3.11 ± 1.59 | ab | 0.00 ± 0.00 | b |
Alkane | 8.29 ± 1.28 | ab | 11.42 ± 4.96 | ab | 49.39 ± 6.36 | b | 11.25 ± 8.83 | ab | 9.55 ± 3.87 | ab | 0.37 ± 0.31 | a |
Alkene | 0.00 ± 0.00 | ns | 0.15 ± 0.14 | ns | 0.00 ± 0.00 | ns | 0.00 ± 0.00 | ns | 0.00 ± 0.00 | ns | 0.00 ± 0.00 | ns |
Alkyne | 0.00 ± 0.00 | ns | 0.00 ± 0.00 | ns | 0.00 ± 0.00 | ns | 0.00 ± 0.00 | ns | 0.00 ± 0.00 | ns | 0.00 ± 0.00 | ns |
Aromatic | 5.16 ± 3.58 | a | 0.59 ± 0.06 | ab | 0.26 ± 0.23 | ab | 2.21 ± 1.00 | ab | 0.00 ± 0.00 | b | 0.00 ± 0.00 | b |
Cycloalkane | 1.11 ± 0.55 | ns | 3.12 ± 3.01 | ns | 1.67 ± 0.59 | ns | 2.00 ± 1.92 | ns | 4.24 ± 1.75 | ns | 4.19 ± 4.64 | ns |
Ketone | 6.68 ± 1.08 | ns | 0.39 ± 0.43 | ns | 4.74 ± 4.16 | ns | 5.37 ± 6.58 | ns | 4.90 ± 1.18 | ns | 3.95 ± 5.28 | ns |
Lactone | 1.75 ± 0.79 | b | 3.39 ± 1.99 | b | 14.96 ± 7.15 | a | 4.77 ± 2.31 | b | 11.58 ± 1.36 | ab | 10.92 ± 3.95 | ab |
Terpene | 9.34 ± 5.11 | c | 52.46 ± 11.46 | a | 11.14 ± 4.89 | c | 48.62 ± 9.25 | ab | 32.82 ± 12.59 | abc | 24.28 ± 9.66 | bc |
