目的考察灯盏花素壳聚糖-海藻酸钠微囊的制备工艺和最优处方。方法采用凝聚法制备了灯盏花素壳聚糖-海藻酸钠微囊。以药物的包封率和载药量作为制备工艺优化指标,通过正交试验得出微囊的最优处方。结果最优处方为海藻酸钠质量浓度为25mg/mL,壳聚糖质量浓度为2mg/mL,氯化钙浓度为0.2mol/L,海藻酸钠与药物的比例为1∶1。结论本法工艺简单可行,稳定,重现性好。

Objective To investigate the preparation technique and optimal formulation of Breviscapine Chitosan-alginate Microcapsula. Methods Breviscapine Chitosan-alginate Microcapsula was prepared by coacervate technology. The orthogonal test design by adopting the standard of drug encapsulation efficiency and drug loading was applied to obtain the optimal formulation of the microcapsula. Results The result showed that the optimal formulation was that Na-alginate 25 mg/mL, chitosan 2 mg/mL, CaCl₂ 0.2 mol/L, and Na-alginate-Breviscapine 1∶1. Conclusion The preparation procedure is simple, feasible, stable, and repeatable.