Table 1 Levels and the experimental condition for Box Behnken design
Factor | Designation | Low level (−) | Mid-level (0) | High level (+) |
|---|---|---|---|---|
A | Concentration of drug (% w/v) | 0.1 | 0.3 | 0.5 |
B | Concentration of chitosan (% w/v) | 0.1 | 0.15 | 0.2 |
C | Concentration of carboxymethyl inulin (CMI) (% w/v) | 0.06 | 0.08 | 0.1 |