Table 4.
Effect of different packaging materials on the moisture, aw and oils content of dried chilgoza nuts during storage
| Package | Storage period, months | Mean | CD 0.05 | ||
|---|---|---|---|---|---|
| 3 | 6 | ||||
| Moisture, % | P1 | 3.1 | 4.1 | 3.4 | |
| P2 | 3.0 | 3.2 | 3.1 | P = 0.2 | |
| P3 | 3.3 | 4.3 | 3.5 | S = 0.2 | |
| P4 | 3.1 | 3.3 | 3.1 | PxS = 0.4 | |
| P5 | 3.4 | 4.5 | 3.7 | ||
| Mean | 3.2 | 3.9 | |||
| aw | P1 | 0.145 | 0.205 | 0.149 | |
| P2 | 0.119 | 0.179 | 0.132 | P = 0.040 | |
| P3 | 0.180 | 0.240 | 0.173 | S = 0.036 | |
| P4 | 0.129 | 0.191 | 0.139 | PxS = 0.081 | |
| P5 | 0.201 | 0.269 | 0.189 | ||
| Mean | 0.155 | 0.217 | |||
| Oils, % | P1 | 52.1 | 50.8 | 51.7 | |
| P2 | 52.2 | 51.2 | 51.9 | P = 0.3 | |
| P3 | 52.1 | 49.9 | 51.4 | S = 0.2 | |
| P4 | 52.2 | 51.0 | 52.0 | PxS = 0.5 | |
| P5 | 52.0 | 50.1 | 51.5 | ||
| Mean | 52.1 | 50.6 | |||
P1= HDPE jar, P2= glass jar, P3= polyethylene bag, P4= aluminium laminate pouch
P5= thermofoam tray, (n = 3), aw = water activity, Initial values at the time of commencement of storage: Moisture = 3.0 %, aw = 0.098, oils = 52.3 %