Table 2.

Solid state characterization and residual water content of spray dried liposomal formulations (mean ± SD, n = 3)

Formulations	Tapped density (g/cc)	Angle of repose (°)	Carr’s compressibility index	Residual water content (%)
STL	0. 8 ± 0.2	43.1 ± 2.1	26.2 ± 1.8	5.6 ± 0.5
SLDPIL	0. 27 ± 0.07	29.7 ± 1.6	36.7 ± 2.2	4.2 ± 0.7
SLDPIT	0. 15 ± 0.04	24.9 ± 1.4	40.4 ± 1.4	2.8 ± 0.3
SLDPIS	0. 33 ± 0.08	31.6 ± 1.7	34.8 ± 2.3	5.2 ± 0.7