Table 1.
Sensory evaluation of strawberries stored for 10 days at 4 ± 1 °C in different concentration of nano-Ag active packages.
| Treatment | Odor | Color | Texture | Overall Acceptability |
|---|---|---|---|---|
| Day 0 | 9 | 9 | 9 | 9 |
| Day 2 | ||||
| PLA | 8.18 ± 0.03 ab | 7.87 ± 0.32 a | 8.07 ± 0.17 a | 7.94 ± 0.02 a |
| PLA/Ag1% | 8.05 ± 0.18 a | 8.06 ± 0.32 a | 8.22 ± 0.04 ab | 8.05 ± 0.59 a |
| PLA/Ag5% | 8.29 ± 0.07 b | 8.08 ± 0.05 a | 8.28 ± 0.07 b | 8.13 ± 0.11 a |
| PLA/Ag10% | 8.22 ± 0.04 ab | 8.07 ± 0.15 a | 8.19 ± 0.04 ab | 8.04 ± 0.02 a |
| Day 4 | ||||
| PLA | 7.19 ± 0.04 a | 7.05 ± 0.39 a | 6.98 ± 0.14 a | 6.89 ± 0.27 a |
| PLA/Ag1% | 7.37 ± 0.18 a | 6.85 ± 0.22 a | 7.05 ± 0.18 a | 7.07 ± 0.01 ab |
| PLA/Ag5% | 7.37 ± 0.13 a | 7.51 ± 0.44 a | 7.18 ± 0.01 a | 7.2 ± 0.08 b |
| PLA/Ag10% | 7.24 ± 0.02 a | 7.19 ± 0.21 a | 7.12 ± 0.08 a | 7.12 ± 0.06 ab |
| Day 6 | ||||
| PLA | 6.68 ± 0.06 ab | 6.27 ± 0.21 a | 6.45 ± 0.05 a | 6.03 ± 0.4 a |
| PLA/Ag1% | 6.67 ± 0.02 ab | 6.31 ± 0.17 a | 6.49 ± 0.01 ab | 6.52 ± 0.02 b |
| PLA/Ag5% | 6.76 ± 0.09 b | 6.63 ± 0.02 b | 6.55 ± 0.04 b | 6.71 ± 0.05 b |
| PLA/Ag10% | 6.59 ± 0.1 a | 6.52 ± 0.15 ab | 6.46 ± 0.04 a | 6.4 ± 0.08 ab |
| Day 8 | ||||
| PLA | 6.22 ± 0.02 ab | 5.17 ± 0.14 a | 5.99 ± 0.27 a | 4.78 ± 0.06 a |
| PLA/Ag1% | 6.13 ± 0.16 a | 5.38 ± 0.21 a | 6.1 ± 0.07 a | 5.9 ± 0.04 ab |
| PLA/Ag5% | 6.29 ± 0.05 b | 5.43 ± 0.21 a | 6.12 ± 0.35 a | 6.3 ± 0.56 b |
| PLA/Ag10% | 6.16 ± 0.03 ab | 5.34 ± 0.06 a | 6.08 ± 0.05 a | 4.82 ± 1.02 a |
| Day 10 | ||||
| PLA | 5.71 ± 0.23 b | 5.01 ± 0.55 a | 5.45 ± 0.12 ab | 4.23 ± 0.57 a |
| PLA/Ag1% | 5.05 ± 0.08 a | 5.03 ± 0.09 a | 5.36 ± 0.12 a | 5.36 ± 0.24 b |
| PLA/Ag5% | 5.66 ± 0.32 ab | 5.14 ± 0.25 a | 5.6 ± 0.03 b | 5.73 ± 0.04 b |
| PLA/Ag10% | 5.13 ± 0.49 ab | 4.99 ± 0.02 a | 5.46 ± 0.06 ab | 5.35 ± 0.15 b |
a–b Values followed by different letters in the same column were significantly different (p < 0.05), where a is the lowest value.