Table 5.
Kinetic equation describing the light degradation of EM from EM-PVP-K30 solid dispersions prepared using varied feed ratios. Note: Different lower-case letters (such as a, b, c, d, e, and f) in the same column indicate significant differences in the half-life of EM in different samples (Duncan’s tests, p ≤ 0.05).
| Samples | Kinetic Equation | Correlation Coefficient | Half-life (h) |
|---|---|---|---|
| EM technical | ct = 88.646e−0.236t | 0.93 | 2.42f |
| 1:1 feed ratio EM-PVP-K30 solid dispersions | ct = 87.348e−0.116t | 0.91 | 4.81e |
| 1:4 feed ratio EM-PVP-K30 solid dispersions | ct = 89.337e−0.096t | 0.92 | 6.07d |
| 1:10 feed ratio EM-PVP-K30 solid dispersions | ct = 89.984e−0.062t | 0.87 | 9.43c |
| 1:50 feed ratio EM-PVP-K30 solid dispersions | ct = 93.383e−0.049t | 0.94 | 12.67b |
| 1:100 feed ratio EM-PVP-K30 solid dispersions | ct = 93.784e−0.038t | 0.93 | 16.47a |