Table 4.
a* (redness), hue*, and chroma* of low-impact (30°; 0.074 J), medium (45°; 0.160 J), and high-impact (60°;0.273 J) bruised fruit over 12 days of storage at 5, 13, and 22 °C. Error bars represent the SD of the mean values of 15 readings per treatment. Numerical values of A, B, and C are P-values. All P-values with * symbol are statistically significant. IL; impact level, ST, storage temperature; SD; storage duration.
| Color attributes | Impact level | Storage temp. (°C) | Storage Days |
||||||
|---|---|---|---|---|---|---|---|---|---|
| 0 | 2 | 4 | 6 | 8 | 10 | 12 | |||
| a* | Low | 5 | −16.50 ± 1.50 | −13.91 ± 1.07 | −9.60 ± 0.67 | −1.54 ± 1.17 | 3.09 ± 0.89 | 4.75 ± 0.87 | – |
| 13 | −15.78 ± 1.02 | −13.92 ± 1.03 | −9.24 ± 1.83 | −3.98 ± 1.57 | 0.84 ± 0.99 | 5.99 ± 1.24 | |||
| 22 | −11.82 ± 1.58 | −8.16 ± 1.40 | 1.39 ± 1.94 | 4.06 ± 0.98 | 6.71 ± 1.42 | – | |||
| Medium | 5 | −13.11 ± 1.01 | −8.70 ± 0.86 | −0.58 ± 1.36 | 2.79 ± 1.09 | 4.79 ± 1.18 | – | ||
| 13 | −15.23 ± 1.10 | −13.03 ± 1.04 | −8.30 ± 1.60 | −2.85 ± 1.50 | 2.61 ± 1.24 | 7.63 ± 1.15 | |||
| 22 | −11.00 ± 1.18 | −7.37 ± 1.27 | 1.32 ± 1.57 | 5.22 ± 1.26 | 7.92 ± 1.00 | – | |||
| High | 5 | −14.14 ± 1.12 | −8.92 ± 0.75 | −0.58 ± 0.90 | 2.64 ± 1.25 | 5.36 ± 1.15 | – | ||
| 13 | −15.46 ± 1.02 | −12.33 ± 1.41 | −7.40 ± 1.47 | −1.34 ± 1.64 | 4.18 ± 1.75 | 8.54 ± 2.05 | |||
| 22 | −9.25 ± 1.54 | −7.23 ± 1.56 | 1.97 ± 1.57 | 5.38 ± 1.78 | 8.14 ± 2.05 | – | |||
| Hue* | Low | 5 | −1.88 ± 0.02 | −1.12 ± 0.02 | 1.35 ± 0.01 | −1.17 ± 1.02 | 1.47 ± 0.02 | 1.39 ± 0.03 | – |
| 13 | −1.20 ± 0.03 | −1.30 ± 0.01 | −1.40 ± 0.03 | −1.49 ± 0.03 | 1.54 ± 0.02 | 1.66 ± 0.02 | |||
| 22 | −1.31 ± 0.03 | −1.40 ± 0.02 | 0.84 ± 1.35 | 1.49 ± 0.01 | 1.43 ± 0.02 | – | |||
| Medium | 5 | −1.27 ± 1.67 | −1.37 ± 0.02 | −0.58 ± 1.36 | 1.49 ± 0.03 | 1.39 ± 0.04 | – | ||
| 13 | −1.24 ± 0.02 | −1.32 ± 0.02 | −1.41 ± 0.03 | −1.51 ± 0.02 | 1.52 ± 0.02 | 1.53 ± 0.01 | |||
| 22 | −1.35 ± 0.02 | −1.43 ± 0.02 | 0.84 ± 1.36 | 1.45 ± 0.02 | 1.38 ± 0.02 | – | |||
| High | 5 | −1.27 ± 0.01 | −1.36 ± 0.01 | −0.50 ± 1.55 | 1.49 ± 0.03 | 1.36 ± 0.05 | – | ||
| 13 | −1.23 ± 0.03 | −1.31 ± 0.03 | −1.42 ± 0.02 | −0.84 ± 1.36 | 1.40 ± 0.03 | 1.42 ± 0.03 | |||
| 22 | −1.38 ± 0.03 | −1.43 ± 0.02 | 1.18 ± 1.03 | 1.45 ± 0.03 | 1.39 ± 0.03 | – | |||
| Chroma* | Low | 5 | 44.38 ± 1.82 | 46.02 ± 1.00 | 45.47 ± 0.75 | 36.10 ± 2.10 | 31.40 ± 1.99 | 26.73 ± 2.11 | – |
| 13 | 44.43 ± 3.31 | 53.29 ± 1.69 | 54.62 ± 2.24 | 54.51 ± 1.95 | 55.50 ± 1.00 | 57.12 ± 1.33 | |||
| 22 | 45.90 ± 2.72 | 49.62 ± 0.88 | 50.46 ± 0.64 | 51.86 ± 1.17 | 48.63 ± 1.10 | – | |||
| Medium | 5 | 44.92 ± 1.28 | 44.78 ± 1.63 | 42.59 ± 2.15 | 35.78 ± 3.92 | 27.07 ± 2.53 | – | ||
| 13 | 47.03 ± 1.60 | 52.66 ± 1.82 | 53.07 ± 3.31 | 53.61 ± 1.43 | 56.07 ± 1.33 | 57.31 ± 1.46 | |||
| 22 | 50.84 ± 1.71 | 53.36 ± 1.57 | 52.07 ± 2.00 | 45.09 ± 2.22 | 42.26 ± 2.26 | – | |||
| High | 5 | 48.69 ± 2.68 | 43.71 ± 1.18 | 41.46 ± 1.34 | 33.99 ± 2.58 | 27.02 ± 2.66 | – | ||
| 13 | 46.54 ± 2.21 | 47.96 ± 2.07 | 52.54 ± 1.00 | 53.19 ± 1.14 | 56.42 ± 1.67 | 57.64 ± 1.49 | |||
| 22 | 49.48 ± 1.73 | 53.02 ± 1.91 | 53.24 ± 2.39 | 48.57 ± 0.61 | 46.40 ± 2.50 | – | |||
| Level of significance (P < 0.05) | |||
|---|---|---|---|
| a* | Hue* | Chroma* | |
| IL (A) | 0.00060* | 0.802989 | 0.075471 |
| ST (B) | 0.001158* | 0.151301 | 0.017815* |
| SD (C) | <0.00001* | 0.012607* | 0.075531 |
| A × B | 0.063440 | 0.395829 | 0.477563 |
| A × C | 0.498810 | 0.261722 | 0.646268 |
| B × C | <0.00001* | <0.00001* | <0.00001* |
| A × B × C | 0.07916 | <0.00001* | <0.00001* |