Table 1.

Optimization of PCL vs DDA ratio.

Formulation code	DDA: PCL ratio	DDA (mg)	PCL (mg)	Surfactant	Ultrasonication time (min)
A1	1:5	2	10	0.5% PVA	4
A2	1:4	2	8	1% Tween 20	3
A3	1:5	2	10	1% Tween 20	3
A4	1:5	2	10	1% Tween 20, 0.5 % PVA (double emulsion)	3 (twice)