Table 8.
Formulation | Chitosan (CS) (% w/v) | Alginate (ALG) (% w/v) | CaCl2* or TPP ** (% w/v) | ALG:CS Mass Ratio (w/w) |
---|---|---|---|---|
F0 | 0.010 | 0.050 | 0.010 * | 4.23:1 |
F1 | 0.070 | 0.001 | 0.028 ** | 0.02:1 |
F2 | 0.069 | 0.003 | 0.028 ** | 0.04:1 |
F3 | 0.068 | 0.004 | 0.027 ** | 0.06:1 |
F4 | 0.068 | 0.005 | 0.027 ** | 0.08:1 |
F5 | 0.067 | 0.007 | 0.027 ** | 0.10:1 |
F6 | 0.066 | 0.008 | 0.026 ** | 0.12:1 |
F7 | 0.065 | 0.009 | 0.026 ** | 0.14:1 |
F8 | 0.064 | 0.010 | 0.026 ** | 0.16:1 |
F9 | 0.063 | 0.011 | 0.025 ** | 0.18:1 |
F10 | 0.063 | 0.013 | 0.025 ** | 0.20:1 |
F11 | 0.056 | 0.022 | 0.022 ** | 0.40:1 |
F12 | 0.050 | 0.030 | 0.020 ** | 0.60:1 |
F13 | 0.045 | 0.036 | 0.018 ** | 0.80:1 |
F14 | 0.042 | 0.042 | 0.017 ** | 1.00:1 |
F0—ALG/CS microparticles, obtained via alginate ionotropic pre-gelation with CaCl2 followed by chitosan addition—Method (I); F1–F14—CS/ALG microparticles, obtained via chitosan precipitation with TPP followed by gelation with alginate—Method (II). * CaCl2 ** TPP.