Table 4.
Effect of fluences on pH, titratable acidity and total soluble solids of fresh-cut cantaloupes treated with pulsed light
| Storage time (day) | Untreated | Fluences (J/cm2) | |||
|---|---|---|---|---|---|
| 2.7 | 7.8 | 11.7 | 15.6 | ||
| pH | |||||
| 0 | 6.96 ± 0.51Aa | 6.63 ± 0.13Aa | 6.63 ± 0.12ABa | 6.65 ± 0.12ABa | 6.66 ± 0.13ABCa |
| 4 | 6.91 ± 0.36Aa | 6.83 ± 0.12Aa | 6.83 ± 0.16ABa | 6.75 ± 0.09Aa | 6.79 ± 0.10ABa |
| 8 | 5.83 ± 0.70Aa | 6.87 ± 0.16Ab | 6.88 ± 0.12Ab | 6.85 ± 0.12Ab | 6.82 ± 0.12Ab |
| 12 | 6.02 ± 0.84Aa | 6.39 ± 0.44Aa | 6.58 ± 0.29ABa | 6.80 ± 0.12Aa | 6.07 ± 0.46Ca |
| 16 | 5.41 ± 0.85Aa | 6.15 ± 0.54ABab | 6.67 ± 0.16ABb | 6.77 ± 0.08Ab | 6.47 ± 0.04ABCab |
| 20 | 5.35 ± 0.70Aa | 5.83 ± 0.49ABCab | 6.64 ± 0.14ABb | 6.67 ± 0.06Ab | 6.30 ± 0.15ABCab |
| 24 | 5.31 ± 0.81Aa | 5.25 ± 0.61BCa | 6.56 ± 0.26ABa | 6.65 ± 0.45ABa | 6.17 ± 0.21BCa |
| 28 | 5.20 ± 0.70Aab | C4.86 ± 0.38Cb | 6.13 ± 0.52Ba | 6.02 ± 0.38Bab | 6.11 ± 0.27Ca |
| Titratable acidity (% citric acid) | |||||
| 0 | 0.07 ± 0.04Aa | 0.10 ± 0.01Aa | 0.10 ± 0.01Aa | 0.10 ± 0.02Aa | 0.10 ± 0.02ABCa |
| 4 | 0.08 ± 0.04Aa | 0.09 ± 0.02Aa | 0.09 ± 0.01Aa | 0.10 ± 0.02Aa | 0.09 ± 0.01ABa |
| 8 | 0.15 ± 0.05Aa | 0.09 ± 0.00Aa | 0.09 ± 0.01Aa | 0.09 ± 0.01Aa | 0.09 ± 0.01Aa |
| 12 | 0.14 ± 0.06Aa | 0.13 ± 0.06Aa | 0.12 ± 0.04Aa | 0.09 ± 0.00Aa | 0.11 ± 0.03ABCa |
| 16 | 0.22 ± 0.12Aa | 0.15 ± 0.07Aa | 0.11 ± 0.03Aa | 0.10 ± 0.02Aa | 0.12 ± 0.03ABCa |
| 20 | 0.25 ± 0.10Aa | 0.17 ± 0.05Aa | 0.11 ± 0.02Aa | 0.11 ± 0.02Aa | 0.14 ± 0.02ABCa |
| 24 | 0.24 ± 0.11Aa | 0.23 ± 0.08ABa | 0.12 ± 0.03Aa | 0.11 ± 0.01Aa | 0.14 ± 0.01BCa |
| 28 | 0.26 ± 0.09Aab | 0.35 ± 0.10Bab | 0.17 ± 0.04Ab | 0.16 ± 0.02Bb | 0.15 ± 0.02Cb |
| Total soluble solids (°Brix) | |||||
| 0 | 11.03 ± 1.33Aa | 10.13 ± 1.16Aa | 10.37 ± 1.42Aa | 10.38 ± 0.82Aa | 10.09 ± 0.99Aa |
| 4 | 11.20 ± 0.95Aa | 10.64 ± 0.83Aa | 10.54 ± 0.95Aa | 10.67 ± 0.61Aa | 10.73 ± 0.70Aa |
| 8 | 11.14 ± 0.70Aa | 10.58 ± 1.03Aa | 10.87 ± 0.78Aa | 10.91 ± 0.77Aa | 10.66 ± 0.91Aa |
| 12 | 10.82 ± 0.55Aa | 10.57 ± 0.87Aa | 10.57 ± 0.77Aa | 10.93 ± 0.91Aa | 10.62 ± 0.97Aa |
| 16 | 10.80 ± 0.95Aa | 10.59 ± 0.86Aa | 10.70 ± 0.95Aa | 10.80 ± 1.06Aa | 10.41 ± 1.09Aa |
| 20 | 10.91 ± 1.04Aa | 10.61 ± 0.69Aa | 10.59 ± 1.17Aa | 10.67 ± 1.18Aa | 10.48 ± 0.58Aa |
| 24 | 10.21 ± 0.32Aa | 10.27 ± 0.94Aa | 10.36 ± 1.05Aa | 10.47 ± 0.85Aa | 10.10 ± 1.20Aa |
| 28 | 10.04 ± 0.32Aa | 10.22 ± 1.14Aa | 10.73 ± 0.84Aa | 10.53 ± 1.05Aa | 10.41 ± 0.63Aa |
*Different lowercase letters indicate significant differences within the same row (p ≤ 0.05)
*Different uppercase letters indicate significant differences within the same column (p ≤ 0.05)