Table 1: Composition and encapsulation efficiency (%EE) of different niosomal formulations.

Formulation code	Surfactant used	(Surfactant :Cholesterol) weight ratio	Amount of drug (mg)	Encapsulation Efficiency (%EE)
N-1	Span 20	0.5:0.5	5	53.2 ± 0.40
N-2		0.5:0.5	10	86.2 ± 0.20
N-3		0.5:0.5	15	86.2 ± 0.42
N-4		0.5:1	10	86.3 ± 0.06
N-5		0.5:1.5	10	78.8 ± 0.35
N-6	Span 60	0.5:0.5	5	54.2 ± 0.41
N-7		0.5:0.5	10	92.8 ± 0.35
N-8		0.5:0.5	15	95.6 ± 0.50
N-9		0.5:1	10	93.6 ± 0.06
N-10		0.5:1.5	10	90.4 ± 0.45
N-11	Span 80	0.5:0.5	5	44.8 ± 0.45
N-12		0.5:0.5	10	64.01 ± 0.39
N-13		0.5:0.5	15	71 ± 0.66
N-14		0.5:1	10	70 ± 0.28
N-15		0.5:1.5	10	75.9 ± 0.4