Table 2.
Chroma variation (C*) and Hue angle (h*) of Redland coated papaya fruits under different stored conditions for Experiment 1 and 2.
| Treatments | Lot 1(6 days at 22 °C)Average ± SD | Lot 2(6 days at 13 °C)Average ± SD | Lot 2z(9 days at 13 °C)Average ± SD | Lot 2(14 days*)Average ± SD |
|---|---|---|---|---|
| Experiment 1 | Chroma | |||
| Control | 53.4 ± 5.7 a | 34.2 ± 5.1 a | 33.6 ± 6.1 ab | 44.7 ± 2.0 ab |
| Nano 18% | 34.1 ± 4.6 d | 32.1 ± 2.5 a | 33.8 ± 4.0 ab | 39.2 ± 4.4 abc |
| Nano 9% | 47.7 ± 7.6 ab | 24.0 ± 2.2b | 28.2 ± 3.0c | 36.6 ± 5.5 bc |
| Nano 9% + HPMC | 39.7 ± 4.4 cd | 35.1 ± 4.3 a | 38.3 ± 4.4 a | 38.1 ± 8.8 abc |
| Micro 9% | 44.4 ± 7.9 bc | 30.1 ± 3.4 a | 28.9 ± 2.9 bc | 43.6 ± 8.4 ab |
| HPMC | 54.9 ± 8.1 a | 34.4 ± 5.0 a | 35.7 ± 3.7 a | 45.3 ± 8.3 a |
| Micro 9% + HPMC | 43.0 ± 4.6 bc | 30.4 ± 3.1a | 28.7 ± 4.0 bc | 32.2 ± 3.2c |
| Lot 1(5 days at 22 °C) | Lot 2(5 days at 16 °C) | Lot 2 z(10 days at 16 °C) | Lot 2(13 days**) | |
| Experiment 2 | Chroma | |||
| Control | 52.6 ± 5.6 a | 40.2 ± 7.6 a | 44.3 ± 5.7 ab | 49.6 ± 4.1 a |
| Nano 18% | 39.2 ± 5.5 bc | 35.2 ± 6.3 a | 34.9 ± 3.8b | 39.9 ± 9.0 bc |
| Nano 9% | 44.3 ± 7.6 abc | 41.1 ± 4.0 a | 41.0 ± 6.3 ab | 53.0 ± 3.7 a |
| Nano 9% + HPMC | 42.5 ± 2.0 bc | 36.7 ± 6.3 a | 41.6 ± 3.9 ab | 39.5 ± 6.1 bc |
| HPMC | 45.9 ± 3.7 abc | 35.3 ± 8.4 a | 43.5 ± 6.7 ab | 35.8 ± 4.7c |
| HPMC + GEO | 44.4 ± 5.8 abc | 40.7 ± 8.2 a | 49.1 ± 2.5 a | 45.7 ± 5.0 ab |
| Nano 9% + HPMC + GEO | 37.1 ± 9.3c | 34.9 ± 6.0 a | 36.6 ± 6.4b | 40.8 ± 6.4 bc |
| Nano 9% + GEO | 45.0 ± 7.0 abc | 38.2 ± 5.6 a | 44.1 ± 6.9 ab | 52.5 ± 3.2 a |
| GEO | 46.5 ± 9.5 ab | 34.9 ± 10.1 a | 49.9 ± 7.0 a | 41.6 ± 9.4 bc |
| Treatments | Lot 1(6 days at 22°C)Average ± SD | Lot 2(6 days at 13°C)Average ± SD | Lot 2(9 days at 13°C)Average ± SD | Lot 2(14 days*)Average ± SD |
|---|---|---|---|---|
| Experiment 1 | Hue | |||
| Control | 83.3 ± 5.5 d | 108.6 ± 11.3b | 111.8 ± 10.3 a | 88.6 ± 4.4c |
| Nano 18% | 111.2 ± 6.6 a | 114.8 ± 3.6 ab | 112.3 ± 6.5 a | 104.3 ± 4.3 ab |
| Nano 9% | 91.2 ± 6.8c | 120.2 ± 1.6 a | 118.1 ± 2.7 a | 104.2 ± 6.0 ab |
| Nano 9% + HPMC | 103.3 ± 5.1 ab | 113.5 ± 5.7 ab | 112.5 ± 4.5 a | 104.6 ± 10.6 ab |
| Micro 9% | 99.8 ± 9.5 bc | 115.5 ± 3.5 ab | 116.0 ± 3.8 a | 100.9 ± 7.0b |
| HPMC | 94.0 ± 6.6c | 114.2 ± 5.4 ab | 112.9 ± 4.9 a | 101.0 ± 7.5b |
| Micro 9% + HPMC | 93.5 ± 6.4c | 116.1 ± 3.7 ab | 116.9 ± 4.3 a | 110.6 ± 2.4 a |
| Lot 1(5 days at 22 °C) | Lot 2(5 days at 16 °C) | Lot 2(10 days at 16 °C) | Lot 2(13 days**) | |
| Experiment 2 | Hue | |||
| Control | 90.0 ± 5.2b | 106.0 ± 7.6 ab | 96.9 ± 6.2 bcd | 85.9 ± 6.7 d |
| Nano 18% | 108.5 ± 10.6 a | 114.9 ± 8.4 a | 110.9 ± 3.1 a | 100.4 ± 13.6 a |
| Nano 9% | 98.2 ± 8.3 ab | 102.8 ± 8.6 ab | 97.6 ± 8.7 bc | 83.2 ± 3.2 d |
| Nano 9% + HPMC | 104.0 ± 3.9 a | 109.1 ± 9.2 ab | 99.0 ± 4.0 bc | 101.6 ± 7.6 a |
| HPMC | 101.0 ± 7.2 ab | 112.2 ± 7.3 ab | 100.2 ± 6.9b | 104.0 ±5.5 a |
| HPMC + GEO | 97.1 ± 12.2 ab | 101.4 ± 14.8b | 91.0 ± 6.1cd | 90.4 ± 7.2 bcd |
| Nano 9% + HPMC + GEO | 110.2 ±13.3 a | 113.8 ±7.4 a | 108.7 ± 8.3 a | 97.8 ± 9.0 ab |
| Nano 9% + GEO | 97.4 ± 11.9 ab | 109.7 ± 8.0 ab | 99.2 ± 6.7 bc | 86.5 ± 3.7cd |
| GEO | 102.6 ± 10.9 ab | 112.6 ± 9.3 ab | 89.1 ± 7.0 d | 95.5 ± 5.4cd |
*9 days at 13 °C followed by 5 days at 22 °C (simulated marketing storage) ** 10 days at 16 °C followed by 3 days at 22 °C. Columns with different letters are significantly different by Duncan and Tukeyz test (p < 0.05) applied after ANOVA.