Table 2.
SBE - β- CD | HP- β- CD | |||
---|---|---|---|---|
pH | Slope | Y | Slope | Y |
2.3 | 56.36±3.187 | 1.53 | 45.53±4.722 | 1.39 |
4.0 | 44.66± 4.271 | 1.21 | 40.15±4.543 | 1.23 |
7.0 | 36.87± 4.064 | 1.0 | 32.69±3.148 | 1.0 |
Table 2 shows the slope values of the phase solubility curves at different pH and their Y values (normalization to values at pH. 7.0). Y = slope at pH (x) / slope at pH 7.0; (x) = pH 2.3, 4.0 & 7.0; SBE-β-CD = sulfobutylether-β- cyclodextrin; HP-β-CD = Hydroxypropyl -β-cyclodextrin.