Tab. 4.

Stability Studies of Optimized Formulation CNP4

S. No.	Sampling Interval (days)	Drug Content (%)
		5 ± 1°C	Room temperature	45 ± 2°C/75%RH
1.	0	100	100	100
2.	7	99.5 ± 0.2	99.4 ± 0.2	92.5 ± 0.4
3.	14	99.2 ± 0.1	98.8 ± 0.1	85.9 ± 0.3
4.	21	99.9 ± 0.8	98.2 ± 0.1	76.83 ± 0.4
5.	28	99.7 ± 0.1	97.9 ± 0.2	70.97 ± 0.3
6.	35	98.4 ± 0.1	97.0 ± 0.1	63.86 ± 0.1
7.	45	98.2 ± 0.0	96.6 ± 0.3	57.03 ± 0.8

n=3; Values are mean ± standard deviation.