Table 1.
Formulation Code | Oil | Surfactant | Cosurfactant | Surfactant:Cosurfactant (w/w) |
Ratio (Smix:Oil) |
Droplet Size (nm) |
PI | Stability (RT) (Days) |
---|---|---|---|---|---|---|---|---|
SENE – 1 | Capmul PG8 | Tween 80 | PEG 400 | 6:4 | 9:1 | 9.231 | 0.155 | – |
SENE – 2 | Capmul PG8 | Tween 80 | PEG 400 | 6:4 | 8:2 | 93.36 | 0.273 | 180 |
SENE – 3 | Capmul PG8 | Tween 80 | PEG 400 | 6:4 | 7:3 | 131.2 | 0.259 | 180 + |
SENE – 4 | Capmul PG8 | Tween 80 | PEG 400 | 6:4 | 6:4 | 189.3 | 0.362 | 35 |
SENE – 5 | Capmul PG8 | Tween 80 | PEG 400 | 6:4 | 5:5 | 202.1 | 0.348 | 30 |
SENE – 6 | Capmul PG8 | Tween 80 | PEG 400 | 6:4 | 4:6 | 297.6 | 0.326 | 7 |
SENE – 7 | Capmul PG8 | Tween 80 | PEG 400 | 6:4 | 3:7 | >500 | 0.432 | 3 |
SENE – 8 | Capmul PG8 | Tween 80 | PEG 400 | 6:4 | 2:8 | PS | – | – |
SENE – 9 | Capmul PG8 | Tween 80 | PEG 400 | 6:4 | 1:9 | PS | – | – |
Smix refers to weight ratios of surfactant and cosurfactant. Samples were made at a constant premix (mixture of oil and Smix)-to-water ratio of 1:10 (w/w). PI value refers to polydispersity index and PS refers to phase separation. RT refers to room temperature.