Formulations Zero-order First-order Higuchi matrix Korsmeyer-peppas Best fit model r2 r2 r2 r2 Rel. Expo. (n) CXB-FA 0.967 0.995 0.959 0.960 0.326 First order  CXB- HA 0.967 0.995 0.959 0.960 0.326 First order CXB- HP-β-CD 0.967 0.995 0.959 0.960 0.326 First order  CXB-β-CD 0.967 0.995 0.959 0.960 0.326 First order  CXB-Caff 0.967 0.995 0.959 0.960 0.326 First order

Table 5: Release kinetics and mechanism involved with different complexes. Release pattern with highest r2 value is used to predict the kinetics involved.