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 1

Composition of different batches of various liquid SMEFs.

Batch	Valsartan (% w/w)	Lipid oil (Capmul MCM C8) (% w/w)	Surfactant (Tween 80) and; cosurfactant (PEG 400) ratio
			(1 : 1); (% w/w)	(2 : 1); (% w/w)	(3 : 1); (% w/w)
F1	20	40	40	—	—
F2	20	32	48	—	—
F3	20	24	56	—	—
F4	20	16	64	—	—
F5	20	8	72	—	—
F6	20	40	—	40	—
F7	20	32	—	48	—
F8	20	24	—	56	—
F9	20	16	—	64	—
F10	20	8	—	72	—
F11	20	40	—	—	40
F12	20	32	—	—	48
F13	20	24	—	—	56
F14	20	16	—	—	64
F15	20	8	—	—	72