Table 2.
Storage time, days | Moisture content (Xs) Kg water. kg dry solid−1 | Water activity, aw | aw/Xs | ||||||
---|---|---|---|---|---|---|---|---|---|
AF | PP | BOPP | AF | PP | BOPP | AF | PP | BOPP | |
0 | 5.00 | 5.00 | 5.00 | 0.232 | 0.232 | 0.232 | 0.046 | 0.046 | 0.046 |
7 | 5.73 | 5.83 | 6.10 | 0.278 | 0.283 | 0.302 | 0.049 | 0.049 | 0.050 |
14 | 6.52 | 6.59 | 7.00 | 0.332 | 0.335 | 0.396 | 0.051 | 0.051 | 0.057 |
21 | 7.13 | 7.38 | 7.56 | 0.401 | 0.454 | 0.488 | 0.056 | 0.062 | 0.065 |
28 | 7.24 | 7.66 | 8.78 | 0.435 | 0.502 | 0.549 | 0.060 | 0.066 | 0.063 |
35 | 7.78 | 8.74 | 9.17 | 0.495 | 0.538 | 0.641 | 0.064 | 0.062 | 0.070 |
42 | 8.71 | 9.16 | 0.581 | 0.640 | 0.067 | 0.070 | |||
49 | 9.13 | 0.639 | 0.070 |