Table 2.
Individual sugar and organic acid contents of unripe and ripe strawberries
| Cultivars | Ripening stage | Fructose (mg/100 g FW) | Glucose (mg/100 g FW) | Sucrose (mg/100 g FW) | Total sum (mg/100 g FW) |
|---|---|---|---|---|---|
| Individual sugar contents | |||||
| Seolhyang | Unripe | 214.29 ± 5.68b | 200.79 ± 3.70ab | 175.35 ± 9.27d | 590.42 ± 15.87c |
| Ripe | 265.68 ± 18.38a | 244.55 ± 16.22a | 297.80 ± 36.44bc | 808.04 ± 67.19a | |
| Janghee | Unripe | 211.78 ± 14.48b | 193.71 ± 14.26b | 253.18 ± 22.85c | 658.68 ± 32.50bc |
| Ripe | 265.77 ± 7.85a | 248.42 ± 7.26a | 327.60 ± 31.26ab | 841.79 ± 24.72a | |
| Maehyang | Unripe | 153.32 ± 8.50c | 168.24 ± 16.08b | 296.35 ± 30.19bc | 617.91 ± 23.85bc |
| Ripe | 165.00 ± 7.85c | 175.61 ± 45.36b | 362.59 ± 10.92a | 703.20 ± 48.54b | |
| Cultivars | Ripening stage | Malic acid (mg/100 g FW) | Citric acid (mg/100 g FW) | Total sum (mg/100 g FW) |
|---|---|---|---|---|
| Individual organic acid contents | ||||
| Seolhyang | Unripe | 281.79 ± 4.13ab | 650.00 ± 24.75ab | 931.79 ± 22.18a |
| Ripe | 198.96 ± 34.13c | 563.50 ± 77.68b | 762.46 ± 90.49b | |
| Janghee | Unripe | 103.48 ± 9.40d | 554.02 ± 99.21b | 657.50 ± 81.39b |
| Ripe | 77.24 ± 2.68d | 440.89 ± 41.73c | 518.13 ± 32.22c | |
| Maehyang | Unripe | 267.68 ± 18.54b | 768.12 ± 70.54a | 1035.80 ± 69.97a |
| Ripe | 305.60 ± 19.35a | 695.42 ± 31.45a | 1001.03 ± 11.96a | |
Results are mean values ± standard deviation from three measurements (n = 3); means in the same column with superscript with different letters (a, b, c, and d) are significantly different at p < 0.05