Table 3.

pH and osmolarity analysis of different micelle formulations

Formulation	pH			Osmolarity (mOsm)
	Initial pH	After 60 days	Increasing ratioa	Initial osmolarity	After 60 days	Increasing ratiob
Stored at room temperature over 60 days
Z5	7.41±0.01	7.39±0.02	0.997	317.4±7.64	303.7±4.62	0.957
Z6	7.42±0.02	7.38±0.06	0.995	316.77±12.86	299.87±3.26	0.947
Z7	7.43±0.03	7.4±0.03	0.996	311±10.65	298.57±3.95	0.96
F5	7.43±0.03	7.41±0.03	0.997	305.5±3.51	296.6±13.67	0.971
F6	7.47±0.02	7.41±0.02	0.992	298.30±9.54	304.4±5.03	1.02
F7	7.44±0.01	7.4±0.01	0.995	299.63±2.68	296.6±10.82	0.99
O5	7.42±0.03	7.42±0.05	1	309.53±12.11	301.67±4	0.975
O6	7.46±0.01	7.4±0.05	0.992	311.13±4.3	297.47±2.95	0.956
O7	7.45±0.03	7.39±0.07	0.992	306.37±3.46	300.3±3.02	0.98
Stored at 4°C over 60 days
Z5	7.41±0.01	7.4±0.01	0.999	317.4±7.64	309.03±7.8	0.974
Z6	7.42±0.02	7.41±0.02	0.999	316.77±12.86	307.17±7.48	0.97
Z7	7.43±0.03	7.39±0.09	0.995	311±10.65	304.87±14.2	0.98
F5	7.43±0.03	7.41±0.08	0.997	305.5±3.51	297.7±7.57	0.974
F6	7.47±0.02	7.37±0.05	0.987	298.3±9.54	300.13±2.99	1.006
F7	7.44±0.01	7.41±0.04	0.996	299.63±2.68	303.27±10.05	1.012
O5	7.42±0.03	7.39±0.06	0.996	309.53±12.11	302±9.24	0.976
O6	7.46±0.01	7.39±0.07	0.991	311.13±4.3	298.27±3.7	0.959
O7	7.45±0.03	7.42±0.03	0.996	306.37±3.46	300.03±5.02	0.979

Notes:

^aIncreasing ratio = pH after 60 days/initial pH;

^bincreasing ratio = osmolarity after 60 days/initial osmolarity. Data expressed as mean ± standard deviation (n=3). Information about the formulation names is shown in Table 1.