Table 4 Non-volatile compound content in symptomatic and healthy Valencia orange fruit
TMS derivative (µg g–1) | Rt (min) | Ion model (m/z) | Healthy fruits | Symptomatic fruits | P-value |
|---|---|---|---|---|---|
Sugars | |||||
Arabinose (TMS)4 | 29.37 | 307 | 1.99 ± 0.39 | 2.36 ± 1.24 | 6.44E–01 |
Fructose (TMS)5 | 34.87/35.13 | 307 | 344.81 ± 14.02 | 290.44 ± 35.07 | 6.73E–02 |
Glucose (TMS)5 | 35.47/35.85 | 319 | 263.22 ± 10.38 | 210.59 ± 20.79 | 1.72E–02 |
Mannitol (TMS)6 | 36.21 | 319 | 1.33 ± 0.13 | 1.84 ± 0.78 | 3.31E–01 |
Myo-inositol (TMS)6 | 39.81 | 305 | 102.25 ± 6.45 | 96.87 ± 5.12 | 3.21E–01 |
Ribose (TMS)4 | 29.79 | 307 | 0.42 ± 0.03 | 0.54 ± 0.11 | 1.25E–01 |
Sucrose (TMS)8 | 51.29 | 361 | 379.52 ± 24.37 | 277.33 ± 47.93 | 3.02E–02 |
l-Xylose (TMS)4 | 29.22 | 307 | 3.36 ± 0.58 | 2.95 ± 0.14 | 3.01E–01 |
Organic acids | |||||
Citric acid (TMS)4 | 33.28 | 273 | 144.80 ± 8.10 | 135.38 ± 11.97 | 3.60E–01 |
Fumaric acid (TMS)2 | 19.12 | 245 | 0.07 ± 0.01 | 0.10 ± 0.00 | 3.54E–03 |
Malic acid (TMS)3 | 23.96 | 245 | 66.29 ± 9.75 | 60.19 ± 3.14 | 3.61E–01 |
Quinic acid (TMS)5 | 34.45 | 345 | 13.91 ± 0.69 | 16.69 ± 0.28 | 2.99E–03 |
Succinic acid (TMS)2 | 18.08 | 247 | 0.32 ± 0.04 | 0.49 ± 0.13 | 8.30E–02 |
Amino acids | |||||
d-Alanine (TMS)2 | 10.55 | 116 | 0.74 ± 0.07 | 0.82 ± 0.05 | 1.94E–01 |
l-Asparagine (TMS)3 | 29.13 | 232 | 7.29 ± 2.94 | 16.62 ± 12.73 | 2.84E–01 |
l-Aspartic acid (TMS)3 | 24.89 | 188 | 9.29 ± 2.38 | 8.99 ± 8.23 | 9.55E–01 |
d-Glutamic acid (TMS)3 | 27.70 | 246 | 3.45 ± 0.61 | 2.98 ± 1.47 | 6.34E–01 |
Glycine (TMS)3 | 17.83 | 174 | 0.91 ± 0.09 | 1.20 ± 0.25 | 1.39E–01 |
l-Leucine (TMS)2 | 16.75 | 158 | 0.04 ± 0.01 | 0.07 ± 0.02 | 1.07E–01 |
l-Phenylalanine (TMS)2 | 27.64 | 218 | 0.71 ± 0.14 | 1.28 ± 0.59 | 1.80E–01 |
l-Proline (TMS)2 | 17.43 | 142 | 6.51 ± 1.21 | 7.84 ± 2.16 | 4.03E–01 |
l-Serine (TMS)3 | 19.91 | 204 | 0.76 ± 0.03 | 1.32 ± 0.36 | 5.31E–02 |
l-Threonine (TMS)3 | 20.78 | 101 | 0.06 ± 0.00 | 0.19 ± 0.08 | 5.84E–02 |
l-Tryptophan (TMS)3 | 42.15 | 202 | 0.18 ± 0.05 | 0.30 ± 0.20 | 3.85E–01 |
l-Valine (TMS)2 | 14.72 | 144 | 0.25 ± 0.03 | 0.30 ± 0.04 | 1.56E–01 |
