| Abbreviation | Original word or phrase |
| PD | Prednisolone |
| Ch | Chitosan |
| SP-Na | Prednisolone 21-hemisuccinate sodium |
| EDC | 1-(3-Dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride |
| NHS | N-Hydroxysuccinimide |
| MP | Conjugate microparticles |
| MP/EuL | Eudragit L-coated conjugate microparticles |
| TNBS | 2, 4, 6-Tinitrobenzenesulfonic acid |
| ST | Stomach |
| PI | Proximal small intestine |
| DI | Distal small intestine |
| CE | Cecum |
| PC | Proximal colon |
| DC | Distal colon |