Table 1. Components and Composition Used to Prepare All the Films.
| s. no | chitosan (%) | xanthan gum | ZnO nanoparticles (wt %) | remarks | film code |
|---|---|---|---|---|---|
| 1 | 1 | NA | NA | good transparent film; selected | C |
| 2 | 1 | 0.5% | NA | good transparent film; selected | CX |
| 3 | 1 | 1.0% | NA | decreased transparency; rejected | NA |
| 4 | 1 | 1.5% | NA | brittle film; rejected | NA |
| 5 | 1 | 0.5% | 1 | good transparent film; selected | CXZ1 |
| 6 | 1 | 0.5% | 3 | good transparent film; selected | CXZ3 |
| 7 | 1 | 0.5% | 5 | good transparent film; selected | CXZ5 |
| 8 | 1 | 0.5% | 7 | decreased transparency and brittleness/stiffness; rejected | NA |