Fig. 5. (a) is the drug loading (μg mg⁻¹) and encapsulation efficiency of (%) of B (5 mg ml⁻¹ lysozyme), C (10 mg ml⁻¹ lysozyme), D (15 mg ml⁻¹ lysozyme), E (20 mg ml⁻¹ lysozyme) group. (b) is the drug release rate (%) of B, C, D, E group in vitro.