Research Article

A Comparison between Use of Spray and Freeze Drying Techniques for Preparation of Solid Self-Microemulsifying Formulation of Valsartan and In Vitro and In Vivo Evaluation

Table 4

Powder flow characteristics of solid SMEF.

FormulationAngle of repose (θ)Bulk densityCarr’s index (%)Hausner ratio
Tapped density (mg/cc)Fluff density (mg/cc)

S-SMSD
S-SMFD