Preparation, Optimization, and Evaluation of Epichlorohydrin Cross-Linked Enset (Ensete ventricosum (Welw.) Cheeseman) Starch as Drug Release Sustaining Excipient in Microsphere Formulation

Table 4

Yield and entrapment efficiencies of the preliminary formulations (, ±SD).

Formulation	Weight of polymers before formulation (g)	Weight of polymers after formulation (g)	Yield (%)	Mean particle size (μm)	Entrapment efficiency (%)
F-1	9	7.67	85.2
F-2	9	7.48	83.1
F-3	9	7.95	88.3
F-4	9	8.12	90.2
F-5	9	8.02	89.1
F-6	9	8.08	89.7
F-7	9	8.21	91.2
F-8	9	7.98	88.6
Native	9	7.36	81.7