Table 1.
Representative chitosan conjugate systems.
| Number | Sample | Active Molecule | Linker | Bond Type | References |
|---|---|---|---|---|---|
| 1 | Chitosan-tannic acid: Conjugate | tannic acid | No | Amide/ester | [33] |
| 2 | Gallic acid-chitosan conjugate | gallic acid | No | Amide/ester | [55] |
| 3 | Chitosan–hydroxycinnamic acid conjugates | hydroxycinnamic acid | No | Amide/ester | [54] |
| 4 | Gibberellin–chitosan conjugate | gibberellin | No | Amide | [38] |
| 5 | Chitosan-caffeic acid conjugates | caffeic acid | No | Amide | [31] |
| 6 | Curcuminconjugated chitosan | curcumin | No | Imino | [35] |
| 7 | Chitosan-isoniazid conjugates | isoniazid | epichlorohydrin | Hydrazo/hydrazide | [112] |
| 8 | Chitosan–thymine conjugate | thymine | bromoacetic acid | Amide | [74] |
| 9 | chitosan-PVC conjugates | PVC | bromoacetyl bromide | Alkylamino | [97] |