Table 3. Droplet Size, Polydispersity Index (PDI), and Zeta Potential of Blank and Loaded (Italics) SEDDS after Emulsification to 1% (v/v) with 25 mM HEPES pH 6.8. Indicated Values Are Means (n ≥ 3) ± SD.

F	Droplet size [nm] after 0 / 4 h	PDI after 0 / 4 h	Zeta potential [mV] after 0 / 4 h
1	76.5 ± 4.1 / 73.8 ± 2.9	0.23 ± 0.01 / 0.24 ± 0.01	–5.2 ± 0.8 / –5.4 ± 0.9
	122.1 ± 5.6 / 115.1 ± 6.4	0.33 ± 0.01 / 0.33 ± 0.02	–7.4 ± 0.8 / –5.2 ± 1.1
2	68.3 ± 1.1 / 66.8 ± 0.9	0.15 ± 0.01 / 0.14 ± 0.03	–4.3 ± 0.8 / –5.5 ± 1.2
	81.8 ± 10.6 / 78.1 ± 8.9	0.17 ± 0.04 / 0.16 ± 0.03	–8.3 ± 1.6 / –5.8 ± 1.8
3	122.1 ± 2.2 / 119.6 ± 2.4	0.14 ± 0.01 / 0.13 ± 0.02	–2.7 ± 0.5 / –4.0 ± 0.6
	129.7 ± 5.6 / 131.5 ± 1.8	0.26 ± 0.02 / 0.31 ± 0.01	–8.8 ± 0.5 / –5.5 ± 1.8