Table 2.
Sugar and acid levels of 10 peach and nectarine varieties at harvest (mg/g).
| Varieties | Sucrose | Glucose | Fructose | Sorbitol | Quinic Acid | Malic Acid | Citric Acid | Total Acids |
|---|---|---|---|---|---|---|---|---|
| 1. Jinxia | 43.98 a | 12.06 b | 15.27 e | 3.70 b | 1.90 cd | 2.43 e | 0.58 g | 4.91 f |
| 2. Yuhua3 | 32.67 c | 10.47 d | 13.57 cd | 1.10 f | 1.57 bc | 2.28 f | 2.11 c | 5.96 de |
| 3. Tropic Prince | 25.67 e | 8.50 e | 12.09 b | 2.06 d | 1.98 cd | 5.15 c | 3.30 a | 10.43 b |
| 4. Dahezaosheng | 23.82 f | 8.52 e | 11.65 ab | 1.27 f | 2.04 cd | 3.58 d | 2.11 c | 7.72 c |
| 5. Yixianhong | 32.91 c | 14.13 a | 12.97 bc | 4.24 a | 4.23 a | 7.74 a | 1.45 e | 13.42 a |
| 6. Chengxiang | 23.63 f | 7.59 f | 10.43 a | 1.12 f | 1.09 e | 2.82 e | 1.28 ef | 5.20 ef |
| 7. NJN76 | 40.63 b | 11.54 b | 14.87 de | 2.90 c | 1.63 d | 6.46 b | 2.36 b | 10.45 b |
| 8. Shazizaosheng | 34.46 c | 9.22 e | 12.54 bc | 1.76 e | 1.07 e | 1.78 f | 0.38 h | 3.22 g |
| 9. Hongrou1 | 30.10 d | 11.02 c | 14.51 de | 3.75 b | 3.82 a | 4.88 c | 1.71 d | 10.40 b |
| 10. Touxinhong | 39.15 b | 14.07 a | 17.76 f | 2.70 c | 2.62 b | 2.76 e | 1.15 f | 6.53 d |
| p value | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 |
The data are presented as the mean (n = 3). Different letters within each column indicate significant differences between varieties according to Tukey’s test (p < 0.05).