Table 1.
Effect of antioxidant, storage temperatures, packaging materials and storage periods on the NEB (OD) of walnut kernels
| Treatment | Storage temperature | Storage period (days) | |||
|---|---|---|---|---|---|
| 0 | 90 | 180 | 270 | ||
| Laminates with vacuum (P1) | |||||
| Control (T1) | Ambient (C1) | 0.63 ± 0.01a | 0.68 ± 0.06a | 0.75 ± 0.06a | 0.80 ± 0.09a |
| Refrigerated (C2) | 0.63 ± 0.06a | 0.65 ± 0.08b | 0.67 ± 0.05c | 0.68 ± 0.02c | |
| BHA + BHT 0.015 + 0.015% (T2) | Ambient (C1) | 0.63 ± 0.01a | 0.66 ± 0.02bc | 0.70 ± 0.04b | 0.74 ± 0.06b |
| Refrigerated (C2) | 0.63 ± 0.04a | 0.63 ± 0.06d | 0.63 ± 0.03d | 0.64 ± 0.01d | |
| HDPE without vacuum (P2) | |||||
| Control (T1) | Ambient (C1) | 0.63 ± 0.01a | 0.73 ± 0.03a | 0.86 ± 0.04a | 0.95 ± 0.03a |
| Refrigerated (C2) | 0.63 ± 0.01a | 0.67 ± 0.06c | 0.70 ± 0.04c | 0.72 ± 0.08c | |
| BHA + BHT 0.015 + 0.015% (T2) | Ambient (C1) | 0.63 ± 0.08a | 0.70 ± 0.09b | 0.79 ± 0.03b | 0.85 ± 0.01b |
| Refrigerated (C2) | 0.63 ± 0.05a | 0.64 ± 0.08d | 0.65 ± 0.01d | 0.66 ± 0.05d | |
Results are expressed as Mean ± standard deviation. Means with same superscripts in a column are not significantly different (*p < 0.05) as assessed by Duncan’s multiple range test