Time (h) | Cumulative % release ± SEM | |||||
---|---|---|---|---|---|---|
 | NP | MP | ||||
 | pH 6.8 | pH 1.2 | pH change | pH 6.8 | pH 1.2 | pH change |
0 | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.00 ± 0.00 |
2 | 13.28 ± 0.68 | 12.60 ± 1.30 | 13.40 ± 0.71 | 15.31 ± 1.71 | 12.52 ± 2.31 | 12.02 ± 1.35 |
4 | 31.81 ± 1.23 | 29.50 ± 1.89 | 27.40 ± 1.12 | 31.71 ± 1.20 | 28.50 ± 2.44 | 26.50 ± 2.50 |
6 | 44.74 ± 1.50 | 41.31 ± 2.80 | 39.08 ± 1.54 | 45.66 ± 3.12 | 42.12 ± 2.09 | 40.82 ± 1.51 |
8 | 59.28 ± 1.91 | 55.90 ± 2.30 | 53.62 ± 2.31 | 59.41 ± 2.96 | 56.95 ± 2.61 | 53.40 ± 2.97 |
10 | 73.15 ± 0.21 | 70.12 ± 2.67 | 67.93 ± 3.02 | 75.27 ± 2.31 | 72.85 ± 3.42 | 70.16 ± 2.46 |
12 | 88.14 ± 1.10 | 85.41 ± 1.80 | 85.20 ± 2.86 | 89.13 ± 1.90 | 87.09 ± 3.79 | 86.40 ± 1.83 |