Table 3.

Observation of dilution test.

Formulation	Distilled water	0.1 N HCl	Phosphate buffer pH 6.8
F1	Stable up to 6 hr	Stable up to 6 hr	Stable up to 6 hr
F2	Stable up to 6 hr	Stable up to 6 hr	Stable up to 6 hr
F3	Stable up to 6 hr	Stable up to 6 hr	Stable up to 6 hr
F4	Stable up to 6 hr	Stable up to 6 hr	Stable up to 6 hr
F5	Unclear within 30 min	Unclear within 30 min	Unclear within 30 min
F6	Unclear within 30 min	Unclear within 30 min	Unclear within 30 min